Page 1 Service Reference Guide HP Compaq dc7800 Business PC...
Page 2 Nothing herein should be construed as constituting an additional warranty. HP shall not be liable for technical or editorial errors or omissions contained herein. This document contains proprietary information that is protected by copyright.
Page 3: About This Book
About This Book WARNING! Text set off in this manner indicates that failure to follow directions could result in bodily harm or loss of life. CAUTION: Text set off in this manner indicates that failure to follow directions could result in damage to equipment or loss of information.
Page 4 About This Book...
Page 5: Table Of Contents
Status Tab ......................... 17 Log Tab ..........................18 Help Tab ..........................18 Saving and Printing Information in HP Insight Diagnostics ..........19 Downloading the Latest Version of HP Insight Diagnostics ..........19 Protecting the Software ........................19 HP Backup and Recovery Manager ....................20 4 Desktop Management Initial Configuration and Deployment ....................
Page 6 HP Client Premium Suite ....................27 HP Client Foundation Suite ....................27 HP OpenView Client Configuration Manager ..............27 HP OpenView PC Configuration Management Solution ............ 28 HP Client Catalog for SMS ....................28 HP Backup and Recovery Manager .................. 28 Intel vPro-branded PCs with Active Management Technology ..........
Page 7 5 Serial and Parallel ATA Drive Guidelines and Features SATA Hard Drives ..........................48 SATA Hard Drive Cables ........................49 SATA Data Cable ......................49 SATA Power Cable ......................49 PATA Device Information ........................50 ATA SMART Drives ..........................50 Hard Drive Capacities ........................
Page 8 External Security Devices ........................ 110 Installing a Security Lock ....................110 Cable Lock ...................... 110 Padlock ......................110 HP Business PC Security Lock ............... 111 Computer Access Panel ........................113 Front Bezel ............................114 Bezel Blanks ............................. 115 Installing Additional Memory ......................116 DIMMs ..........................
Page 9 9 Removal and Replacement Procedures Ultra-Slim Desktop (USDT) Chassis Preparation for Disassembly ......................159 External Security Devices ........................ 160 Cable Lock ........................160 HP Business PC Security Lock ..................161 Computer Access Panel ........................163 Front Bezel ............................164 Bezel Blanks ............................. 165 Memory ............................
Page 10 Rear Chassis Fan ..........................188 Battery .............................. 189 Appendix A Connector Pin Assignments Keyboard ............................191 Mouse ............................... 191 Ethernet BNC ........................... 191 Ethernet RJ-45 ..........................192 Ethernet AUI ............................. 192 Parallel Interface ..........................193 Serial Interface, Powered and Non-Powered ................... 193 USB ..............................
Page 11 Solving Audio Problems ........................233 Solving Printer Problems ........................235 Solving Keyboard and Mouse Problems ..................236 Solving Hardware Installation Problems ................... 237 Solving Network Problems ....................... 239 Solving Memory Problems ....................... 242 Solving Processor Problems ......................244 Solving CD-ROM and DVD Problems ....................244 Solving Drive Key Problems ......................
Page 13: Installing And Customizing The Software
If the computer was shipped with Windows Vista loaded, you will be prompted to register the computer with HP Total Care before installing the operating system. You will see a brief movie followed by an online registration form. Fill out the form, click the Begin button, and follow the instructions on the screen.
Page 14: Hp Backup And Recovery Manager
Manager Manual. NOTE: You can order a Recovery Disc Set from HP by calling the HP support center. Go to the following Web site, select your region, and click the Technical support after you buy link under the Call HP heading to obtain the support center telephone number for your region.
Page 15: Computer Setup (F10) Utility
Computer Setup (F10) Utility Computer Setup (F10) Utilities Use Computer Setup (F10) Utility to do the following: ● Change factory default settings. ● Set the system date and time. ● Set, view, change, or verify the system configuration, including settings for processor, graphics, memory, audio, storage, communications, and input devices.
Page 16: Using Computer Setup (F10) Utilities
● Solve system configuration errors detected but not automatically fixed during the Power-On Self- Test (POST). ● Replicate the system setup by saving system configuration information on diskette and restoring it on one or more computers. ● Execute self-tests on a specified ATA hard drive (when supported by drive). ●...
Page 17: Computer Setup-File
Computer Setup—File NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration. Table 2-2 Computer Setup—File Option Description System Information Lists: ● Product name ● SKU number (some models) ● Processor type/speed/stepping ● Cache size (L1/L2) (dual core processors have this listed twice) ●...
Page 18: Computer Setup-Storage
Computer Setup—Storage NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration. Table 2-3 Computer Setup—Storage Option Description Device Configuration Lists all installed BIOS-controlled storage devices. When a device is selected, detailed information and options are displayed. The following options may be presented.
Page 19 Table 2-3 Computer Setup—Storage (continued) Allows you to specify the parameters (logical cylinders, heads, and sectors per track) used by the BIOS to translate disk I/O requests (from the operating system or an application) into terms the hard drive can accept. Logical cylinders may not exceed 1024. The number of heads may not exceed 256.
Page 20: Computer Setup-Security
Computer Setup—Security NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration. Table 2-4 Computer Setup—Security Option Description Setup Password Allows you to set and enable setup (administrator) password. NOTE: If the setup password is set, it is required to change Computer Setup options, flash the ROM, and make changes to certain plug and play settings under Windows.
Page 21 Table 2-4 Computer Setup—Security (continued) ● Embedded security device (some models) ● SATA0 ● SATA1 (some models) ● SATA4 (some models) ● SATA5 (some models) Network Service Boot Enables/disables the computer’s ability to boot from an operating system installed on a network server.
Page 22 Smart Card BIOS Password Support (some models) (enable/disable) Allows the user to enable/ disable the Smart Card to be used in place of the Setup and Power-On Passwords. This setting requires additional initialization within HP ProtectTools® before this option will take effect. Setup Security Level Provides a method to allow end-users limited access to change specified setup options, without having to know the Setup Password.
Page 23: Computer Setup-Power
Computer Setup—Power NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration. Table 2-5 Computer Setup—Power Option Description ● OS Power Runtime Power Management— Enable/Disable. Allows certain operating systems to reduce Management processor voltage and frequency when the current software load does not require the full capabilities of the processor.
Page 24: Computer Setup-Advanced
Factory Recovery Boot Support (enable/disable). Enabling this feature will cause an additional prompt, F11 = Recovery, to be displayed during POST on systems with HP Backup and Recovery software installed and configured with a recovery partition on the boot hard drive.
Page 25 Table 2-6 Computer Setup—Advanced (for advanced users) (continued) NOTE: If you turn off power to the computer using the switch on a power strip, you will not be able to use the suspend/sleep feature or the Remote Management features. ● POST Delay (None, 5, 10 15, or 20 seconds).
Page 26: Recovering The Configuration Settings
Table 2-6 Computer Setup—Advanced (for advanced users) (continued) NOTE: After Integrated Video is enabled and changes saved, a new menu item appears under Advanced to allow you to select the primary VGA controller video device. Inserting a PCI Express video card automatically disables Integrated Video. When PCI Express video is on, Integrated Video must remain disabled.
Page 27: Computer Diagnostic Features
Third party devices may not be detected by HP Insight Diagnostics. Accessing HP Insight Diagnostics To access HP Insight Diagnostics, you must create a Recovery Disc Set then boot to the CD containing the utility. It can also be downloaded from http://www.hp.com. See...
Page 28: Survey Tab
It is recommended that you accept the assigned default keyboard for your language unless you want to test your specific keyboard. In the End User License Agreement page, click Agree if you agree with the terms. The HP Insight Diagnostics utility launches with the Survey tab displayed.
Page 29: Test Tab
Custom) is also displayed. The main progress bar displays the percent complete of the current set of tests. While testing is in progress, a Cancel Testing button is displayed for use if you want to cancel the test. HP Insight Diagnostics...
Page 30: Log Tab
The Clear Error Log button will clear the contents of the Error Log. Help Tab On the Help tab contains an HP Insight Diagnostics tab, an Error Codes tab, and a Test Components tab. The HP Insight Diagnostics tab contains help topics and includes search and index features.
Page 31: Saving And Printing Information In Hp Insight Diagnostics
You can save the information displayed in the HP Insight Diagnostics Survey and Log tabs to a diskette or a USB 2.0 HP Drive Key (64MB or higher). You can not save to the hard drive. The system will automatically create an html file that has the same appearance as the information displayed on the screen.
Page 32: Hp Backup And Recovery Manager
Manager Manual. NOTE: You can order a Recovery Disc Set from HP by calling the HP support center. Go to the following Web site, select your region, and click the Technical support after you buy link under the Call HP heading to obtain the support center telephone number for your region.
Page 33: Desktop Management
1995 with the introduction of the industry’s first fully manageable desktop personal computers. HP is a patent holder of manageability technology. Since then, HP has led an industry-wide effort to develop the standards and infrastructure required to effectively deploy, configure, and manage desktops, workstations, and notebook PCs.
Page 34: Hp Openview Agent
Review and follow the instructions contained in the Readme file to install the HP OpenView Agent. The HP OpenView Agent is a key infrastructure component for enabling all of the HP OpenView PC Configuration Management Solution. To learn about the other infrastructure components necessary for implementing the HP OpenView PC Configuration Management Solution, please visit http://h20229.www2.hp.com/solutions/ascm/index.html.
Page 35: Verdiem Surveyor Client Side Installation
F12 = Network Service Boot message appears in the lower-right corner of the HP logo screen when the computer is booting up. Follow the instructions on the screen to continue the process. The default boot order is a BIOS configuration setting that can be changed to always attempt to PXE boot.
Page 36: Software Updating And Management
With the HP Client Management Interface (HP CMI), new HP business computers seamlessly integrate into your managed IT environment. HP CMI provides an interface that simplifies the integration of HP business computers with popular industry system management tools (including Microsoft Systems Management Server, IBM Tivoli Software, and HP OpenView Operations) and custom inhouse developed management applications.
Page 37: Hp System Software Manager
For more information on HP Client Management Interface, refer to http://www.hp.com/go/hpcmi/. HP System Software Manager HP System Software Manager (SSM) is a free utility that automates remote deployment of device drivers and BIOS updates for your networked HP business PCs. When SSM runs, it silently (without user...
Page 38: Hp Protecttools Security Manager
The modules available for your computer may vary depending on your model. For example, Embedded Security for HP ProtectTools requires that the Trusted Platform Module (TPM) embedded security chip (some models only) be installed on your computer, and Java Card for HP ProtectTools requires an optional smart card keyboard.
Page 39: Hp Client Premium Suite
HP OpenView Client Configuration Manager is a hardware and software management solution for Windows XP and HP Thin Client environments that is easy to use and quick to deploy, while providing a strong foundation for future requirements. It is offered in two editions: ●...
Page 40: Hp Openview Pc Configuration Management Solution
For more information on HP Client Catalog for SMS, visit http://www/hp/com/go/easydeploy/. HP Backup and Recovery Manager The HP Backup and Recovery Manager is an easy-to-use, versatile application that allows you to back up and recover the primary hard drive on the PC. The application works within Windows to create backups of Windows, all applications, and all data files.
Page 41: Intel Vpro-Branded Pcs With Active Management Technology
Manager Manual. NOTE: You can order a Recovery Disc Set from HP by calling the HP support center. Go to the following Web site, select your region, and click the Technical support after you buy link under the Call HP heading to obtain the support center telephone number for your region.
Page 42 NOTE: For an overview of Intel vPro technology, visit http://www.intel.com/vpro. For HP-specific information on Intel vPro technology, see the white papers at http://www.hp.com/ support. Select your country and language, select See support and troubleshooting information, enter the model number of the computer, and press Enter. In the Resources category, click Manuals (guides, supplements, addendums, etc.).
Page 43: Hp Proactive Change Notification
Computer Setup (F10) Utility, you can protect the ROM from being unintentionally updated or overwritten. This is important to ensure the operating integrity of the computer. Should you need or want to upgrade the BIOS, you may download the latest BIOS images from the HP driver and support page, http://www.hp.com/support/files.
Page 44: Remote Rom Flash
Enabling the system administrator to perform this task remotely on multiple computers results in a consistent deployment of, and greater control over, HP PC BIOS images over the network. It also results in greater productivity and lower total cost of ownership.
Page 45: Replicating The Setup
This allows for faster, more consistent configuration of multiple computers. NOTE: Both procedures require a diskette drive or a supported USB flash media device, such as an HP Drive Key. Copying to Single Computer CAUTION: A setup configuration is model-specific. File system corruption may result if source and target computers are not the same model.
Page 46: Copying To Multiple Computers
USB flash media device. Download a BIOS utility for replicating setup (repset.exe) and copy it onto the configuration diskette or USB flash media device. To obtain this utility, go to http://welcome.hp.com/country/us/en/ support.html and enter the model number of the computer.
Page 47: Creating A Bootable Device
Creating a Bootable Device Supported USB Flash Media Device Supported devices have a preinstalled image to simplify the process of making them bootable. All HP or Compaq and most other USB flash media devices have this preinstalled image. If the USB flash media...
Page 48: Unsupported Usb Flash Media Device
After the system files have been transferred, SYS will return to the A:\ prompt. Go to step 13. Copy any files you want to keep from your USB flash media device to a temporary directory on another drive (for example, the system's internal hard drive). At the A:\ prompt, enter FORMAT /S X: where X represents the drive letter noted before.
Page 49: Dual-State Power Button
NOTE: If you do not press at the appropriate time, you must restart the computer and again press when the monitor light turns green to access the utility. Go to Advanced > PCI Devices to disable both the PATA and SATA controllers. When disabling the SATA controller, note the IRQ to which the controller is assigned.
Page 50: Hp Web Site Support
HP has made the task of locating, accessing, evaluating, and installing the latest support software easier. You can download the software from http://www.hp.com/support.
Page 51 HP ProtectTools Security Manager Guide at http://www.hp.com.) Security features such as Embedded Security for HP ProtectTools, the Smart Cover Sensor and the Smart Cover Lock, available on some models, help to prevent unauthorized access to the internal components of the personal computer.
Page 52 ● Enable/disable the Embedded Security device. ● Reset the device to Factory Settings. This feature is supported on some models only. See the HP ProtectTools Security Manager Guide at http://www.hp.com Device Security Enables/disables serial ports, parallel port, front USB ports, system audio, network controllers (some models), and SCSI controllers (some models).
Page 53: Password Security
Establishing a Setup Password Using Computer Setup If the system is equipped with an embedded security device, refer to the HP ProtectTools Security Manager Guide at http://www.hp.com. Establishing a setup password through Computer Setup prevents reconfiguration of the computer (use of the Computer Setup (F10) utility) until the password is entered.
Page 54: Entering A Setup Password
Entering a Setup Password If the system is equipped with an embedded security device, refer to the HP ProtectTools Security Manager Guide at http://www.hp.com.
Page 55: Deleting A Power-On Or Setup Password
Deleting a Power-On or Setup Password If the system is equipped with an embedded security device, refer to the HP ProtectTools Security Manager Guide at http://www.hp.com. Turn on or restart the computer. If you are in Windows, click Start > Shut Down > Restart the Computer.
Page 56: Drivelock
ATA Security command set are detected. DriveLock is intended for HP customers for whom data security is the paramount concern. For such customers, the cost of the hard drive is inconsequential compared with the loss of the data stored on it and the damage that could result.
Page 57: Smart Cover Sensor
Before exiting, click File > Save Changes and Exit. Smart Cover Lock The Smart Cover Lock is a software-controllable cover lock featured on some HP computers. This lock prevents unauthorized access to the internal components. Computers ship with the Smart Cover Lock in the unlocked position.
Page 58: Locking The Smart Cover Lock
Forgotten password CAUTION: The Smart Cover FailSafe Key is a specialized tool available from HP. Be prepared; order this key before you need oneat an authorized reseller or service provider. To obtain the FailSafe Key, do any one of the following: ●...
Page 59: Cable Lock Provision
If the computer is connected to a network managed by HP Client Manager, the computer sends a fault notice to the network management application. With HP Client Manager Software, you can also remotely schedule diagnostics to automatically run on all managed PCs and create a summary report of failed tests.
Page 60: Serial And Parallel Ata Drive Guidelines And Features
Serial and Parallel ATA Drive Guidelines and Features NOTE: Serial ATA = SATA Parallel ATA = PATA SATA Hard Drives Serial ATA Hard Drive Characteristics Number of pins/conductors in data cable Number of pins in power cable Maximum data cable length 39.37 in (100 cm) Data interface voltage differential 400-700 mV...
Page 61: Sata Hard Drive Cables
SATA Hard Drive Cables SATA Data Cable Always use an HP approved SATA 3.0 Gb/s cable as it is fully backwards compatible with the SATA 1.5 Gb/s drives. Current HP desktop products ship with SATA 3.0 Gb/s hard drives. SATA data cables are susceptible to damage if overflexed. Never crease a SATA data cable and never bend it tighter than a 30 mm (1.18 in) radius.
Page 62: Pata Device Information
ATA SMART Drives The Self Monitoring Analysis and Recording Technology (SMART) ATA drives for the HP Personal Computers have built-in drive failure prediction that warns the user or network administrator of an impending failure or crash of the hard drive. The SMART drive tracks fault prediction and failure indication parameters such as reallocated sector count, spin retry count, and calibration retry count.
Page 63: Identifying The Chassis, Routine Care, And Disassembly Preparation
Identifying the Chassis, Routine Care, and Disassembly Preparation This chapter provides general service information for the computer. Adherence to the procedures and precautions described in this chapter is essential for proper service. CAUTION: When the computer is plugged into an AC power source, voltage is always applied to the system board.
Page 64: Small Form Factor (Sff)
Small Form Factor (SFF) Ultra-Slim Desktop (USDT) Chapter 6 Identifying the Chassis, Routine Care, and Disassembly Preparation...
Page 65: Electrostatic Discharge Information
Electrostatic Discharge Information A sudden discharge of static electricity from your finger or other conductor can destroy static-sensitive devices or microcircuitry. Often the spark is neither felt nor heard, but damage occurs. An electronic device exposed to electrostatic discharge (ESD) may not appear to be affected at all and can work perfectly throughout a normal cycle.
Page 66: Personal Grounding Methods And Equipment
● Avoid contact with pins, leads, or circuitry. ● Place reusable electrostatic-sensitive parts from assemblies in protective packaging or conductive foam. Personal Grounding Methods and Equipment Use the following equipment to prevent static electricity damage to equipment: ● Wrist straps are flexible straps with a maximum of one-megohm ± 10% resistance in the ground cords.
Page 67: Operating Guidelines
● Conductive foam ● Conductive tabletop workstations with ground cord of one-megohm +/- 10% resistance ● Static-dissipative table or floor mats with hard tie to ground ● Field service kits ● Static awareness labels ● Wrist straps and footwear straps providing one-megohm +/- 10% resistance ●...
Page 68: Routine Care
Routine Care General Cleaning Safety Precautions Never use solvents or flammable solutions to clean the computer. Never immerse any parts in water or cleaning solutions; apply any liquids to a clean cloth and then use the cloth on the component. Always unplug the computer when cleaning with liquids or damp cloths.
Page 69: Cleaning The Monitor
Tools and Software Requirements To service the computer, you need the following: ● Torx T-15 screwdriver (HP screwdriver with bits, PN 161946-001) ● Torx T-15 screwdriver with small diameter shank (for certain front bezel removal) ●...
Page 70: Screws
If an incorrect screw is used during the reassembly process, it can damage the unit. HP strongly recommends that all screws removed during disassembly be kept with the part that was removed, then returned to their proper locations.
Page 71: Lithium Coin Cell Battery
Batteries, battery packs, and accumulators should not be disposed of together with the general household waste. In order to forward them to recycling or proper disposal, please use the public collection system or return them to HP, their authorized partners, or their agents. Service Considerations...
Page 72: Removal And Replacement Procedures Convertible Minitower (Cmt) Chassis
Removal and Replacement Procedures Convertible Minitower (CMT) Chassis Adherence to the procedures and precautions described in this chapter is essential for proper service. After completing all necessary removal and replacement procedures, run the Diagnostics utility to verify that all components operate properly. NOTE: Not all features listed in this guide are available on all computers.
Page 73: Unlocking The Smart Cover Lock
Unlocking the Smart Cover Lock If you have locked the Smart Cover Lock use Computer Setup to unlock the lock. Refer to the Desktop Management Guide for more information about the Smart Cover Lock. If you cannot access Computer Setup to unlock the cover you will need to remove the locking solenoid by using the Smart Cover FailSafe Key (Spare part number 166527-001 for the wrench-style key or 166527-002 for the screwdriver bit key).
Page 74: External Security Devices
External Security Devices The following security devices are used to prevent unauthorized access to the internal components of the computer and/or secure the computer to a fixed object. Installing a Cable Lock The cable lock may be used to secure the computer access panel to the chassis and, at the same time, secure the computer to a fixed object.
Page 75: Hood Sensor
Hood Sensor Prepare the computer for disassembly (Preparation for Disassembly on page 60). Remove the access panel (Computer Access Panel on page 64). Disconnect the hood sensor cable from the system board. Slide the hood sensor switch toward the front of the computer (1), and then pull it back through the slot (2).
Page 76: Computer Access Panel
Computer Access Panel Prepare the computer for disassembly (Preparation for Disassembly on page 60). CAUTION: Before removing the computer access panel, ensure that the computer is turned off and that the power cord is disconnected from the electrical outlet. Lift up on the access panel handle (1), slide the access panel back about 1.25 cm (1/2 inch), and then lift it up and off the unit (2).
Page 77: Front Bezel
Front Bezel Prepare the computer for disassembly (Preparation for Disassembly on page 60). Remove the computer access panel (Computer Access Panel on page 64). Push up on the two release tabs (1), and then rotate the front bezel away from the chassis to release it (2).
Page 78: Bezel Blanks
Bezel Blanks Prepare the computer for disassembly (Preparation for Disassembly on page 60). Remove the access panel (Computer Access Panel on page 64). Remove the front bezel (Front Bezel on page 65). Gently pull the subpanel, with the bezel blanks secured in it, away from the front bezel, then remove the desired bezel blank.
Page 79: Cable Management
Cable Management Always follow good cable management practices when working inside the computer. ● Keep cables away from major heat sources like the heatsink. ● Do not jam cables on top of expansion cards or memory modules. Printed circuit cards like these are not designed to take excessive pressure on them.
Page 80: Cable Connections
Cable Connections System board connectors are color-coded to make it easier to find the proper connection. System Board Connections System Board Connector, Name, and Connector Color Description P1, PWR, black Power supply, 24-pin P3, PWRCPU, black Power supply, 4-pin P10, FLOPPY, black Diskette drive P70, CPU FAN, white Heatsink fan...
Page 81: Memory
Memory The computer comes with double data rate 2 synchronous dynamic random access memory (DDR2- SDRAM) dual inline memory modules (DIMMs). The memory sockets on the system board can be populated with up to four industry-standard DIMMs. These memory sockets are populated with at least one preinstalled DIMM. To achieve the maximum memory support, you can populate the system board with up to 8 GB of memory configured in a highperforming dual channel mode.
Page 82 Item Description Socket Color DIMM socket XMM1, Channel A Black DIMM socket XMM2, Channel A White DIMM socket XMM3, Channel B White DIMM socket XMM4, Channel B White NOTE: A DIMM must occupy the black DIMM1 socket. Otherwise, the system will display a POST error message indicating that a memory module must be installed in the black socket.
Page 83 Open both latches of the memory module socket (1), and insert the memory module into the socket (2). NOTE: A memory module can be installed in only one way. Match the notch on the module with the tab on the memory socket. Push the module down into the socket, ensuring that the module is fully inserted and properly seated.
Page 84: Expansion Cards
Expansion Cards The computer has three standard full-height PCI expansion slots that can accommodate an expansion card up to 34 cm (13.4 inches) in length. The computer also has two PCI Express x1 expansion slots and one PCI Express x16 expansion slot. Item Description PCI Express x16 expansion slot...
Page 85 Press straight down on the two green thumb tabs inside the chassis (1) and rotate the expansion card retention latch up (2). Before installing an expansion card, remove the expansion slot cover or the existing expansion card. NOTE: Before removing an installed expansion card, disconnect any cables that may be attached to the expansion card.
Page 86 If you are removing a standard PCI card, hold the card at each end and carefully rock it back and forth until the connectors pull free from the socket. Lift the card straight up to remove it. Be sure not to scrape the card against other components. If you are removing a PCI Express x16 card, pull the retention arm on the back of the expansion socket away from the card and carefully rock the card back and forth until the connectors pull free from the socket.
Page 87 To install a new expansion card, slide the bracket on the end of the card down into the slot on the back of the chassis and press the card down firmly into the socket on the system board. NOTE: When installing an expansion card, press firmly on the card so that the whole connector seats properly in the expansion card slot.
Page 88: Drives
You must install guide screws to ensure the drive will line up correctly in the drive cage and lock in place. HP has provided extra guide screws installed on the chassis. The hard drive uses 6-32 isolation mounting guide screws, four of which are installed on the hard drive bracket under the access panel.
Page 89 CAUTION: To prevent loss of work and damage to the computer or drive: If you are inserting or removing a drive, shut down the operating system properly, turn off the computer, and unplug the power cord. Do not remove a drive while the computer is on or in standby mode. Before handling a drive, ensure that you are discharged of static electricity.
Page 90: System Board Drive Connections
System Board Drive Connections Refer to the following illustration and table to identify the system board drive connectors. System Board Connector System Board Label Color SATA0 SATA0 dark blue SATA1 SATA1 white SATA4 SATA4 light blue SATA5 SATA5 orange Media Card Reader MEDIA CARD black Diskette Drive...
Page 91: Drive Positions
Two 3.5-inch internal hard drive bays An optional hard drive mounting bracket for these drive bays is available from HP. The bottom 5.25-inch drive bay has a shorter depth than the upper two bays. The bottom bay supports a half-height drive or other device that is no more than 14.5 cm (5.7 inches) in depth.
Page 92: Installing A 3.5-Inch Hard Drive Into An Internal Drive Bay
Installing a 3.5-inch Hard Drive into an Internal Drive Bay CAUTION: To prevent loss of work and damage to the computer or drive: If you are inserting or removing a hard drive, shut down the operating system properly, then turn off the computer.
Page 93 NOTE: Extra 6-32 isolation guide screws are provided on the hard drive bracket under the access panel. Optical drives use M3 metric screws. The HP-supplied metric screws are black. Store the removed drive in anti-static packaging. Install the new drive by sliding it into the appropriate drive bay on the front of the chassis. The drivelock automatically secures the drive in the bay.
Page 94: Removing And Replacing A Removable 3.5-Inch Sata Hard Drive
If you do not have this CD set, select Start > HP Backup and Recovery and create it now. Unlock the hard drive carrier with the key provided and slide the carrier out of the enclosure.
Page 95 Remove the adhesive strip that secures the thermal sensor to the top of the hard drive (1) and move the thermal sensor away from the carrier (2). Remove the four screws from the bottom of the hard drive carrier. Drives...
Page 96 Slide the hard drive back to disconnect it from the carrier then lift it up and out of the carrier. Place the new hard drive in the carrier then slide the hard drive back so that it seats in the SATA connector on the carrier's circuit board.
Page 97 Replace the four screws in the bottom of the carrier to hold the drive securely in place. Place the thermal sensor on top of the hard drive in a position that does not cover the label (1) and attach the thermal sensor to the top of the hard drive with the adhesive strip (2). Drives...
Page 98 Slide the cover on the carrier (1) and replace the screw on the rear of the carrier to secure the cover in place (2). Slide the hard drive carrier into the enclosure on the computer and lock it with the key provided. NOTE: The carrier must be locked for power to be supplied to the hard drive.
Page 99: Installing A 5.25-Inch Or 3.5-Inch Drive Into An External Drive Bay
Optical drives, diskette drives, and media card readers use M3 metric guide screws. Eight extra metric guide screws are provided on the diskette drive bracket under the access panel. The HP-supplied metric screws are black. If you are replacing a drive, transfer the guides screws from the old drive to the new one.
Page 100 Connect the power cable (1) and data cable (2) to the rear of the optical drive or diskette drive. If you are installing a new drive, connect the opposite end of the data cable to the appropriate system board connector. NOTE: If you are installing a SATA optical drive, connect the first optical drive to the white SATA connector on the system board labeled SATA1.
Page 101: Readyboost Card
ReadyBoost Card A ReadyBoost card is installed in the computer. The card is secured to the chassis, and a cable connects the card to the system board. Prepare the computer for disassembly (Preparation for Disassembly on page 60). Remove the computer access panel (Computer Access Panel on page 64).
Page 102: Front I/O Device And Power Switch
Front I/O Device and Power Switch Prepare the computer for disassembly (Preparation for Disassembly on page 60). Remove the computer access panel (Computer Access Panel on page 64). Remove the front bezel (Front Bezel on page 65). Disconnect the two I/O device cables and the power switch cable from the system board. Remove the audio cable from the clip on top of the fan shroud.
Page 103: Fan Shroud
Fan Shroud Prepare the computer for disassembly (Preparation for Disassembly on page 60). Remove the computer access panel (Computer Access Panel on page 64). Pull up on all four shroud tabs simultaneously and slide the shroud from the heatsink. To reinstall the fan shroud, reverse the removal procedure. Fan Shroud...
Page 104: Heatsink
Heatsink Prepare the computer for disassembly (Preparation for Disassembly on page 60). Remove the computer access panel (Computer Access Panel on page 64). Unscrew the four captive screws (1) that secure the heatsink to the system board. CAUTION: Heatsink retaining screws should be removed in diagonally opposite pairs (as in an X) to even the downward forces on the processor.
Page 105: Processor
Processor Prepare the computer for disassembly (Preparation for Disassembly on page 60). Remove the computer access panel (Computer Access Panel on page 64). Remove the heatsink (Heatsink on page 92). Rotate the locking lever to its full open position (1). Raise and rotate the microprocessor retainer to its fully open position (2).
Page 106: Speaker
After installing a new processor onto the system board, always update the system ROM to ensure that the latest version of the BIOS is being used on the computer. The latest system BIOS can be found on the Web at: http://h18000.www1.hp.com/support/files. Speaker...
Page 107: Rear Chassis Fan
Rear Chassis Fan Prepare the computer for disassembly (Preparation for Disassembly on page 60). Remove the computer access panel (Computer Access Panel on page 64). Disconnect the fan control cable from the system board. Press down on the two upper tabs (1) to loosen the fan housing from the chassis. Rotate the fan forward (2), and then lift it up and out of the chassis (3).
Page 108: Inner Chassis Fan
Inner Chassis Fan Prepare the computer for disassembly (Preparation for Disassembly on page 60). Remove the computer access panel (Computer Access Panel on page 64). Remove the heatsink (Heatsink on page 92). Disconnect the fan control cable from the system board. Push down on the tab at the top of the fan (1).
Page 109: Serial Port
Serial Port Prepare the computer for disassembly (Preparation for Disassembly on page 60). Remove the computer access panel (Computer Access Panel on page 64). Push down the green tabs (1), and then rotate the tab back 90 degrees out of the rear of the chassis (2).
Page 110: Power Supply
Power Supply Prepare the computer for disassembly (Preparation for Disassembly on page 60). Remove the computer access panel (Computer Access Panel on page 64). Disconnect all power cables from the mass storage devices and from the system board. Remove the four screws that connect the power supply to the chassis. Press the tab in front of the power supply that holds it in place (1).
Page 111: System Board
System Board Prepare the computer for disassembly (Preparation for Disassembly on page 60). Remove the computer access panel (Computer Access Panel on page 64). Remove all expansion boards (Expansion Cards on page 72). Disconnect all cables connected to the system board, noting their location for reinstallation. Remove the heatsink (Heatsink on page 92).
Page 112: Battery
Do not expose to temperatures higher than 140°F (60°C). Do not disassemble, crush, puncture, short external contacts, or dispose of in fire or water. Replace the battery only with the HP spare designated for this product. CAUTION: Before replacing the battery, it is important to back up the computer CMOS settings. When the battery is removed or replaced, the CMOS settings will be cleared.
Page 113: Type 1 Battery Holder
Type 1 Battery Holder Lift the battery out of its holder. Slide the replacement battery into position, positive side up. The battery holder automatically secures the battery in the proper position. Replace the computer access panel. Plug in the computer and turn on power to the computer. Reset the date and time and any special system setups using Computer Setup.
Page 114: Type 3 Battery Holder
Plug in the computer and turn on power to the computer. Reset the date and time and any special system setups using Computer Setup. Refer to the Computer Setup (F10) Utility Guide. Type 3 Battery Holder Pull back on the clip (1) that holds the battery in place, then remove the battery (2). Insert the new battery and position the clip back in place.
Page 115: Changing From A Desktop To A Minitower Configuration
Changing from a Desktop to a Minitower Configuration Prepare the computer for disassembly (Preparation for Disassembly on page 60). Remove the computer access panel (Computer Access Panel on page 64). Remove the front bezel (Front Bezel on page 65). Disconnect all power and data cables from the back of the drives in the 5.25-inch drive bays. To release the drives from the 5.25-inch drive bay, press down on the short yellow drivelock as shown.
Page 116 CAUTION: The bottom 5.25-inch drive bay has a shorter depth than the upper two bays. The bottom bay supports a half-height drive or other device that is no more than 14.5 cm (5.7 inches) in depth. Do not try to force a larger drive, such as an optical drive, into the bottom bay. This could cause damage to the drive and the system board.
Page 117: Changing From A Minitower To A Desktop Configuration
Changing from a Minitower to a Desktop Configuration Prepare the computer for disassembly (Preparation for Disassembly on page 60). Remove the computer access panel (Computer Access Panel on page 64). Remove the front bezel (Front Bezel on page 65). Disconnect all power and data cables from the back of the drives in the 5.25-inch drive bays. To release the drives from the 5.25-inch drive bay, lift the release tab on the green latch drive bracket for the drive.
Page 118 Gently slide the drive into the uppermost available bay until it snaps into place. When the drive is properly inserted, the drivelock will secure it. Repeat this step for each drive. CAUTION: The bottom 5.25-inch drive bay has a shorter depth than the upper two bays. The bottom bay supports a half-height drive or other device that is no more than 14.5 cm (5.7 inches) in depth.
Page 119: Removal And Replacement Procedures Small Form Factor (Sff) Chassis
Removal and Replacement Procedures Small Form Factor (SFF) Chassis Adherence to the procedures and precautions described in this chapter is essential for proper service. After completing all necessary removal and replacement procedures, run the Diagnostics utility to verify that all components operate properly. NOTE: Not all features listed in this guide are available on all computers.
Page 120: Unlocking The Smart Cover Lock
PC component (for example, processor or power supply) failure ● Forgotten password NOTE: The Smart Cover FailSafe Key is a specialized tool available from HP. Be prepared; order this key before you need one. To obtain a FailSafe Key: ●...
Page 121: Using The Smart Cover Failsafe Key To Remove The Smart Cover Lock
Using the Smart Cover FailSafe Key to Remove the Smart Cover Lock To open the access panel with the Smart Cover Lock engaged: Prepare the computer for disassembly (Preparation for Disassembly on page 107). Use the Smart Cover FailSafe Key to remove the tamper-proof screw that secures the Smart Cover Lock to the chassis.
Page 122: External Security Devices
External Security Devices The following security devices are used to prevent unauthorized access to the internal components of the computer and/or secure the computer to a fixed object. Installing a Security Lock The security locks displayed below and on the following page can be used to secure the computer. Cable Lock Padlock 110 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis...
Page 123: Hp Business Pc Security Lock
HP Business PC Security Lock Fasten the security cable by looping it around a stationary object. Thread the keyboard and mouse cables through the lock. External Security Devices 111...
Page 124 Screw the lock to the chassis using the screw provided. Insert the plug end of the security cable into the lock (1) and push the button in (2) to engage the lock. Use the key provided to disengage the lock. 112 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis...
Page 125: Computer Access Panel
Computer Access Panel Prepare the computer for disassembly (Preparation for Disassembly on page 107). Press the buttons on the left and right sides of the computer (1), slide the access panel back until it stops, and then lift it up and off the chassis (2). To install the access panel, reverse the removal procedure.
Page 126: Front Bezel
Front Bezel Prepare the computer for disassembly (Preparation for Disassembly on page 107). Remove the access panel (Computer Access Panel on page 113). Lift up the green latch behind the upper right side of the bezel (1), pull the right side of the bezel off the chassis (2), and then remove the bezel from the chassis.
Page 127: Bezel Blanks
Bezel Blanks On some models, there are bezel blanks covering the 3.5-inch and 5.25-inch external drive bays that need to be removed before installing a drive. To remove a bezel blank: Prepare the computer for disassembly (Preparation for Disassembly on page 107).
Page 128: Installing Additional Memory
Installing Additional Memory The computer comes with double data rate 2 synchronous dynamic random access memory (DDR2- SDRAM) dual inline memory modules (DIMMs). DIMMs The memory sockets on the system board can be populated with up to four industry-standard DIMMs. These memory sockets are populated with at least one preinstalled DIMM.
Page 129: Populating Dimm Sockets
Populating DIMM Sockets There are four DIMM sockets on the system board, with two sockets per channel. The sockets are labeled DIMM1, DIMM2, DIMM3, and DIMM4. Sockets DIMM1 and DIMM2 operate in memory channel A. Sockets DIMM3 and DIMM4 operate in memory channel B. Item Description Socket Color...
Page 130: Installing Dimms
be populated with the two 512-MB DIMMs. With this configuration, 2-GB will run as dual channel and 512-MB will run as single channel. ● In any mode, the maximum operational speed is determined by the slowest DIMM in the system. Installing DIMMs CAUTION: You must disconnect the power cord before adding or removing memory modules.
Page 131 Open both latches of the memory module socket (1), and insert the memory module into the socket (2). NOTE: A memory module can be installed in only one way. Match the notch on the module with the tab on the memory socket. A DIMM must occupy the black DIMM1 socket.
Page 132: Expansion Cards
PCI Express x16 expansion slot. NOTE: The PCI and PCI Express slots support only low profile cards. An optional riser is available from HP that will support two full-height PCI cards. If the riser is installed, the PCI Express expansion slots are inaccessible. Item...
Page 133 Release the slot cover retention latch that secures the PCI slot covers by lifting the green tab on the latch and rotating the latch to the open position. Before installing an expansion card, remove the expansion slot cover or the existing expansion card.
Page 134 If you are removing a standard PCI card, hold the card at each end, and carefully rock it back and forth until the connectors pull free from the socket. Pull the expansion card straight up from the socket then away from the inside of the chassis to release it from the chassis frame. Be sure not to scrape the card against the other components.
Page 135 CAUTION: After removing an expansion card, you must replace it with a new card or expansion slot cover for proper cooling of internal components during operation. To install a new expansion card, slide the card under the slot cover retention latch and press the card down into the socket on the system board.
Page 136: Cable Management
Cable Management The Small Form Factor chassis is a very compact computer and proper routing of the internal cables is critical to the operation of the computer. Follow good cable management practices when working inside the computer. ● Keep cables away from major heat sources like the heatsink. ●...
Page 137: Cable Connections
Cable Connections System board connectors are color-coded to make it easier to find the proper connection. Cable Cable Designator Power Supply System board, 24-pin Power Supply Diskette drive Power Supply CPU power, 6-pin Power Supply 1st SATA hard drive Power Supply 2nd SATA hard drive Power Supply Optical drive...
Page 138: Drives
Make sure personal files on the hard drive are backed up to an external storage device before removing the hard drive. Failure to do so will result in data loss. After replacing the primary hard drive, you will need to run the Restore Plus! CD to load the HP factory-installed files. Drive Positions 3.5-inch internal hard drive bay...
Page 139: Installing And Removing Drives
You must install guide screws to ensure the drive will line up correctly in the drive cage and lock in place. HP has provided extra guide screws for the external drive bays (four 6-32 standard screws and four M3 metric screws), installed in the front of the chassis, under the front bezel. The 6-32 standard screws are required for a secondary hard drive.
Page 140 CAUTION: To prevent loss of work and damage to the computer or drive: If you are inserting or removing a drive, shut down the operating system properly, turn off the computer, and unplug the power cord. Before handling a drive, ensure that you are discharged of static electricity. While handling a drive, avoid touching the connector.
Page 141: System Board Drive Connections
System Board Drive Connections Refer to the following illustration and table to identify the system board drive connectors. System Board Connector System Board Label Color Media Card Reader MEDIA black Diskette Drive FLOPPY black SATA0 SATA0 dark blue SATA1 SATA1 white SATA4 SATA4...
Page 142: Removing An Optical Drive
Removing an Optical Drive CAUTION: All removable media should be taken out of a drive before removing the drive from the computer. NOTE: An optical drive is a DVD-ROM or SuperMulti LightScribe drive. To remove an optical drive: Prepare the computer for disassembly (Preparation for Disassembly on page 107).
Page 143: Installing An Optical Drive Into The 5.25-Inch Drive Bay
Rotate the drive cage back down to its normal position. CAUTION: Be careful not to pinch any cables or wires when rotating the drive cage down. Press the green drive retainer latch (1) located on the right side of the drive to disengage the drive from the drive cage.
Page 144 Install two M3 metric guide screws in the lower holes on each side of the drive. HP has provided four extra M3 metric guide screws on the front of the chassis, under the front bezel. The M3 metric guide screws are black.
Page 145 Rotate the drive cage to its upright position. Connect the SATA data cable to the white system board connector labeled SATA1. Route the data cable through the cable guides. CAUTION: There are two cable guides that keep the data cable from being pinched by the drive cage when raising or lowering it.
Page 146: Removing An External 3.5-Inch Drive
Rotate the drive cage back down to its normal position. CAUTION: Be careful not to pinch any cables or wires when rotating the drive cage down. The system automatically recognizes the drive and reconfigures the computer. Removing an External 3.5-inch Drive CAUTION: All removable media should be taken out of a drive before removing the drive from the computer.
Page 147 Disconnect the drive cables, as indicated in the following illustrations: If you are removing a diskette drive, disconnect the data cable (1) and power cable (2) from the back of the drive. If you are removing a media card reader, disconnect the USB cable from the system board. Drives 135...
Page 148: Installing A Drive Into The 3.5-Inch External Drive Bay
Install guide screws to ensure the drive will line up correctly in the drive cage and lock in place. HP has provided extra guide screws for the external drive bays (four 6-32 standard screws and four M3 metric screws), installed in the front of the chassis, under the front bezel. A secondary hard drive uses 6-32 standard screws.
Page 149 Position the guide screws on the drive into the J-slots in the drive bay. Then slide the drive toward the front of the computer until it locks into place. Connect the appropriate drive cables: If installing a diskette drive, connect the power and data cables to the rear of the drive and connect the other end of the data cable to the connector on the system board labeled FLOPPY.
Page 150: Primary 3.5-Inch Internal Sata Hard Drive
Primary 3.5-inch Internal SATA Hard Drive NOTE: The system does not support Parallel ATA (PATA) hard drives. The preinstalled 3.5-inch hard drive is located under the power supply. To remove and replace the hard drive: Prepare the computer for disassembly (Preparation for Disassembly on page 107).
Page 151 Disconnect the power cable (1) and data cable (2) from the back of the hard drive. Press down on the green release latch next to the hard drive (1). While holding the latch down, slide the drive toward the front of the chassis until it stops, and then lift the drive up and out of the bay (2).
Page 152: Removable 3.5-Inch Sata Hard Drive
Removable 3.5-inch SATA Hard Drive Some models are equipped with a Removable SATA Hard Drive Enclosure in the 5.25-inch external drive bay. The hard drive is housed in a carrier that can be quickly and easily removed from the drive bay.
Page 153 Remove the four screws from the bottom of the hard drive carrier. Slide the hard drive back to disconnect it from the carrier then lift it up and out of the carrier. Drives 141...
Page 154 Place the new hard drive in the carrier then slide the hard drive back so that it seats in the SATA connector on the carrier's circuit board. Be sure the connector on the hard drive is pressed all the way into the connector on the carrier's circuit board. Replace the four screws in the bottom of the carrier to hold the drive securely in place.
Page 155 Place the thermal sensor on top of the hard drive in a position that does not cover the label (1) and attach the thermal sensor to the top of the hard drive with the adhesive strip (2). Slide the cover on the carrier (1) and replace the screw on the rear of the carrier to secure the cover in place (2).
Page 156: Readyboost Card
ReadyBoost Card A ReadyBoost card is installed in the computer. The card is secured to the chassis, and a cable connects the card to the system board. Prepare the computer for disassembly (Preparation for Disassembly on page 107). Remove the access panel (Computer Access Panel on page 113).
Page 157: Fan Shroud
Fan Shroud Prepare the computer for disassembly (Preparation for Disassembly on page 107). Remove the access panel (Computer Access Panel on page 113). Lift the fan shroud straight up out of the chassis. To install the fan shroud, reverse the removal procedure. Fan Shroud 145...
Page 158: Chassis Fan
Chassis Fan Prepare the computer for disassembly (Preparation for Disassembly on page 107). Remove the access panel (Computer Access Panel on page 113). Remove the front bezel (Front Bezel on page 114). Remove the fan shroud (Fan Shroud on page 145).
Page 159: Power Switch Assembly
Power Switch Assembly Prepare the computer for disassembly (Preparation for Disassembly on page 107). Remove the access panel (Computer Access Panel on page 113). Remove the front bezel (Front Bezel on page 114). Remove the chassis fan (Chassis Fan on page 146).
Page 160: Front I/O Device
Front I/O Device Prepare the computer for disassembly (Preparation for Disassembly on page 107). Remove the access panel (Computer Access Panel on page 113). Remove the front bezel (Front Bezel on page 114). Rotate the drive cage to its upright position. Disconnect the two front I/O cables from the system board.
Page 161: Heatsink
Heatsink Prepare the computer for disassembly (Preparation for Disassembly on page 107). Remove the access panel (Computer Access Panel on page 113). Remove the fan shroud (Fan Shroud on page 145). Disconnect the heatsink fan control cable from the system board. Loosen the four captive screws that secure the heatsink to the system board tray (1).
Page 162: Processor
Processor Prepare the computer for disassembly (Preparation for Disassembly on page 107). Remove the access panel (Computer Access Panel on page 113). Remove the fan shroud (Fan Shroud on page 145). Remove the heatsink (Heatsink on page 149). Rotate the locking lever to its full open position (1). Raise and rotate the microprocessor retainer to its fully open position (2).
Page 163: Speaker
After installing a new processor onto the system board, always update the system ROM to ensure that the latest version of the BIOS is being used on the computer. The latest system BIOS can be found on the Web at: http://h18000.www1.hp.com/support/files. Speaker...
Page 164: Power Supply
Power Supply WARNING! Voltage is always present on the system board when the computer is plugged into an active AC outlet. To avoid possible personal injury and damage to the equipment the power cord should be disconnected from the computer and/or the AC outlet before opening the computer. Prepare the computer for disassembly (Preparation for Disassembly on page 107).
Page 165: System Board
System Board Prepare the computer for disassembly (Preparation for Disassembly on page 107). Remove the access panel (Computer Access Panel on page 113). Remove all PCI and PCI Express expansion boards (Expansion Cards on page 120). Remove the fan shroud from the chassis (Fan Shroud on page 145).
Page 166 Disconnect the serial port from the system board. Disconnect the balance of the cables from the system board. Remove the heatsink (Heatsink on page 149). Remove the eight screws that secure the system board to the chassis (1). Lift up the front of the system board (2), and then pull the system board forward, up, and out of the chassis (3).
Page 167: Backwall
CAUTION: Before reinstalling the heatsink you must clean the top of the processor and the bottom of the heatsink with an alcohol pad supplied in the spares kit. After the alcohol has evaporated, apply thermal grease to the top of the processor from the syringe supplied in the spares kit. CAUTION: When reconnecting the cables it is important that they be positioned so they do not interfere with the rotation of the drive cage or power supply.
Page 168: Battery
Do not expose to temperatures higher than 140°F (60°C). Do not disassemble, crush, puncture, short external contacts, or dispose of in fire or water. Replace the battery only with the HP spare designated for this product. CAUTION: Before replacing the battery, it is important to back up the computer CMOS settings. When the battery is removed or replaced, the CMOS settings will be cleared.
Page 169: Type 1 Battery Holder
CAUTION: Static electricity can damage the electronic components of the computer or optional equipment. Before beginning these procedures, ensure that you are discharged of static electricity by briefly touching a grounded metal object. Prepare the computer for disassembly (Preparation for Disassembly on page 107).
Page 170: Type 3 Battery Holder
To insert the new battery, slide one edge of the replacement battery under the holder’s lip with the positive side up (2). Push the other edge down until the clamp snaps over the other edge of the battery. Replace the computer access panel. Plug in the computer and turn on power to the computer.
Page 171: Removal And Replacement Procedures Ultra-Slim Desktop (Usdt) Chassis
Removal and Replacement Procedures Ultra-Slim Desktop (USDT) Chassis Adherence to the procedures and precautions described in this chapter is essential for proper service. After completing all necessary removal and replacement procedures, run the Diagnostics utility to verify that all components operate properly. NOTE: Not all features listed in this guide are available on all computers.
Page 172: External Security Devices
External Security Devices The following security devices are used to prevent unauthorized access to the internal components of the computer and/or secure the computer to a fixed object. Cable Lock There are two cable lock slots on the rear of the computer. The slot next to the thumbscrew should be used when there is no port cover.
Page 173: Hp Business Pc Security Lock
HP Business PC Security Lock Fasten the security cable by looping it around a stationary object. Thread the keyboard and mouse cables through the lock. External Security Devices 161...
Page 174 Screw the lock to the chassis using the screw provided. Insert the plug end of the security cable into the lock (1) and push the button in (2) to engage the lock. Use the key provided to disengage the lock. 162 Chapter 9 Removal and Replacement Procedures Ultra-Slim Desktop (USDT) Chassis...
Page 175: Computer Access Panel
Computer Access Panel To access internal components, you must remove the access panel: Prepare the computer for disassembly (Preparation for Disassembly on page 159). Loosen the thumbscrew on the rear of the computer (1), slide the access panel toward the front of the computer, and then lift it off (2).
Page 176: Front Bezel
Front Bezel Prepare the computer for disassembly (Preparation for Disassembly on page 159). Remove the computer access panel (Computer Access Panel on page 163). Lift the fan up and place it on top of the optical drive to access the front bezel release tabs. You do not need to disconnect the fan cable from the system board.
Page 177: Bezel Blanks
Bezel Blanks On some models, there is a bezel blank covering the external drive bay that needs to be removed before installing a drive. To remove a bezel blank: Prepare the computer for disassembly (Preparation for Disassembly on page 159). Remove the computer access panel (Computer Access Panel on page 163).
Page 178: Memory
Memory The computer comes with double data rate 2 synchronous dynamic random access memory (DDR2- SDRAM) small outline dual inline memory modules (SODIMMs). SODIMMs The memory sockets on the system board can be populated with up to two industry-standard SODIMMs. These memory sockets are populated with at least one preinstalled SODIMM.
Page 179: Populating Sodimm Sockets
Populating SODIMM Sockets Item Description Socket Color SODIMM1 socket, Channel A Black SODIMM3 socket, Channel B White NOTE: A SODIMM must occupy the black DIMM1 socket. Otherwise, the system will display a POST error message indicating that a memory module must be installed in the black socket.
Page 180 If you are adding a second SODIMM, remove the SODIMM from the top DIMM1 socket to access the bottom DIMM3 socket. Press outward on the two latches on each side of the SODIMM (1) then pull the SODIMM out of the socket (2). Slide the new SODIMM into the socket at approximately a 30°...
Page 181: Cable Management
Cable Management Always follow good cable management practices when working inside the computer. ● Keep cables away from major heat sources like the heatsink. ● Do not jam cables on top of expansion cards or memory modules. Printed circuit cards like these are not designed to take excessive pressure on them.
Page 182: Cable Connections
Cable Connections System board connectors are color-coded to make it easier to find the proper connection. System Board Connections System Board Connector Description Optical data/power P21, SECONDARY Front Chassis fan P8, CHFAN1 Rear chassis fan P9, CHFAN2 Speaker P6, SPKR Hood sensor P125, HSENSE Optical Drive...
Page 183: Preparing A New Optical Drive
Slide the drive all the way out of the bay through the front bezel. Preparing a New Optical Drive Before you can use the new optical drive, attach the release latch. Peel the backing off the adhesive on the release latch. Without allowing the release latch to touch the optical drive, carefully align the holes on the release latch with the pins on the side of the optical drive.
Page 184: Installing A New Optical Drive
Installing a New Optical Drive NOTE: If you are installing an optical drive in a bay that did not previously have a drive in it, you must remove the access panel and the bezel blank covering the opening of the bay before proceeding. Follow the procedures in Computer Access Panel on page 163 Bezel Blanks on page...
Page 185: Optical Drive Connector
Connect the cable to the rear of the optical drive (1), and then slide the drive the rest of the way into the bay so that it locks in place (2). Optical Drive Connector Prepare the computer for disassembly (Preparation for Disassembly on page 159).
Page 186: Hard Drive
Hard Drive NOTE: The Ultra-Slim Desktop supports only 2.5-inch Serial ATA (SATA) internal hard drives; parallel ATA (PATA) internal hard drives are not supported. The 2.5-inch hard drive is enclosed in a carrier under the optical drive. Prepare the computer for disassembly (Preparation for Disassembly on page 159).
Page 187 To remove the hard drive from the carrier, remove the guide screw from the front left side of the carrier. Slide the carrier back and remove the hard drive. Hard Drive 175...
Page 188 Transfer the three remaining guide screws (two on the right and one on the rear left) from the old drive to the new drive. Align the guide screws with the slots on the carrier and slide the new hard drive into the carrier (1), then replace the guide screw on the front left of the carrier to secure the drive in the carrier (2).
Page 189 To place the hard drive carrier back in the chassis, align the guide screws with the slots on the drive bay, drop the carrier straight down into the drive bay (1), and press the handle on the carrier all the way down to the down (2) so that the drive is properly seated and locked in place. NOTE: No configuration of the SATA hard drive is necessary;...
Page 190: Hard Drive Cage
Hard Drive Cage Prepare the computer for disassembly (Preparation for Disassembly on page 159). Remove the computer access panel (Computer Access Panel on page 163). Remove the optical drive (Removing the Optical Drive on page 170). Remove the hard drive (Hard Drive on page 174).
Page 191: Port Cover
Port Cover An optional rear port cover is available for the computer. To install the port cover: Thread the cables through the bottom hole on the port cover (1) and connect the cables to the rear ports on the computer. Insert the hooks on the port cover into the slots on the rear of the chassis, then slide the cover to the right to secure it in place (2).
Page 192: Readyboost Card
ReadyBoost Card A ReadyBoost card is installed in the computer. The card is secured to the chassis, and a cable connects the card to the system board. Prepare the computer for disassembly (Preparation for Disassembly on page 159). Remove the computer access panel (Computer Access Panel on page 163).
Page 193: Fan
Prepare the computer for disassembly (Preparation for Disassembly on page 159). Remove the computer access panel (Computer Access Panel on page 163). Disconnect the fan control cable from the system board. Lift the fan straight up and out of the chassis. To install the fan, reverse the removal procedure.
Page 194: Speaker
Speaker Prepare the computer for disassembly (Preparation for Disassembly on page 159). Remove the computer access panel (Computer Access Panel on page 163). Remove the front bezel (Front Bezel on page 164). Remove the hard drive (Hard Drive on page 174).
Page 195: I/O Panel
I/O Panel Prepare the computer for disassembly (Preparation for Disassembly on page 159). Remove the computer access panel (Computer Access Panel on page 163). Remove the screw from the left side of the panel that holds the I/O panel in place (1). Press the tab on left side of the panel (2), and then swing the panel toward right to remove it from the unit (3).
Page 196: Heatsink
Heatsink Prepare the computer for disassembly (Preparation for Disassembly on page 159). Remove the computer access panel (Computer Access Panel on page 163). Lift the fan up and place it on top of the optical drive to access the front bezel release tabs. You do not need to disconnect the fan cable from the system board.
Page 197 Lay the heatsink on its top in a safe area to prevent the thermal grease from contaminating the work surface. If reusing the existing heatsink go to step 1. If using a new heatsink, go to step 3. If reusing the existing heatsink, clean bottom of the heatsink and apply the thermal grease provided in the spares kit to the top of the processor.
Page 198: Processor
Processor Prepare the computer for disassembly (Preparation for Disassembly on page 159). Remove the computer access panel (Computer Access Panel on page 163). Remove the heatsink (Heatsink on page 184). Rotate the processor locking lever to its full open position (1). Raise and rotate the microprocessor retainer to its fully open position (2).
Page 199: System Board
After installing a new processor onto the system board, always update the system ROM to ensure that the latest version of the BIOS is being used on the computer. The latest system BIOS can be found on the Web at: http://h18000.www1.hp.com/support/files. System Board CAUTION: Be very careful when removing or replacing the system board to prevent damaging it.
Page 200: Rear Chassis Fan
Lift the rear of the system board until it clears the chassis (3), and then remove the system board from the chassis (4). To install the system board, reverse the removal procedure. NOTE: When replacing the system board, you must also change the chassis serial number in the BIOS.
Page 201: Battery
Do not expose to temperatures higher than 140°F (60°C). Do not disassemble, crush, puncture, short external contacts, or dispose of in fire or water. Replace the battery only with the HP spare designated for this product. CAUTION: Before replacing the battery, it is important to back up the computer CMOS settings. When the battery is removed or replaced, the CMOS settings will be cleared.
Page 202 CAUTION: Static electricity can damage the electronic components of the computer or optional equipment. Before beginning these procedures, ensure that you are discharged of static electricity by briefly touching a grounded metal object. Prepare the computer for disassembly (Preparation for Disassembly on page 159).
Page 203: Appendix A Connector Pin Assignments
Connector Pin Assignments This appendix contains the pin assignments for many computer and workstation connectors. Some of these connectors may not be used on the product being serviced. Keyboard Connector and Icon Signal Data Unused Ground +5 VDC Clock Unused Mouse Connector and Icon Signal...
Page 204: Ethernet Rj-45
Ethernet RJ-45 Connector and Icon Signal (+) Transmit Data (-) Transmit Data (+) Receive Data Unused Unused (-) Receive Data Unused Unused Ethernet AUI Connector and Icon Signal Signal Ground Positive AUI Differential Receive Negative AUI Differential Collision +12V Positive AUI Differential Collision Ground Negative AUI Differential Transmit Ground...
Page 205: Parallel Interface
Parallel Interface Connector and Icon Signal Signal Strobe Acknowledge Data Bit 0 Busy Data Bit 1 Paper End Data Bit 2 Select Data Bit 3 Auto Linefeed Data Bit 4 Error Data Bit 5 Initialize Printer Data Bit 6 Select IN Data Bit 7 18–25 Signal Ground...
Page 206: Usb
Connector and Icon Signal +5 VDC - Data + Data Ground Microphone Connector and Icon (1/8” miniphone) Signal 1 (Tip) Audio_left 1 2 3 2 (Ring) Power_Right 3 (Shield) Audio_right Headphone Connector and Icon (1/8” miniphone) Signal 1 (Tip) Audio_left 1 2 3 2 (Ring) Power_Right...
Page 207: External Infrared Transceiver
External Infrared Transceiver Connector and Icon Signal Transmit Receive Ground Mode Not Used Not Used Not Used Monitor Connector and Icon Signal Signal Red Analog +5V (fused) Green Analog Ground Blue Analog Not used Not used DDC Serial Data Ground Horizontal Sync Ground Vertical Sync...
Page 208: Ata/Atapi (Ide) Standard Drive Cable
ATA/ATAPI (IDE) Standard Drive Cable Connector Signal Signal Signal Reset DMAK Ground DD14 Ground INTRQ DD15 IOCS16 Ground (Key) PDIAG (cable detect) DMARQ DD10 Ground DIOW CS1FX DD11 Ground CS3FX DIOR DASP DD12 Ground Ground IORDY DD13 CSEL 196 Appendix A Connector Pin Assignments...
Page 209: Cd-Rom 50-Pin Connector
CD-ROM 50-Pin Connector Connector Signal Signal Signal Signal Audio L-ch DD12 IORDY Audio R-ch DMACK Audio GND DD13 INTRQ IOCS16 RESET DD14 PDIAG DD15 CSEL DMARQ CS1FX DD10 CS3FX Vendor-specific DIOR DASP Vendor-specific DD11 DIOW 24-Pin Power Connector Front Signal Signal Signal Signal...
Page 210: 24-Pin Microfit Power (Cmt, Sff)
24-Pin MicroFit Power (CMT, SFF) Connector Front Signal Signal Signal Signal +5 Vaux PWRGD +12V +3.3V +5V Sense +3.3V +3.3V Sense Tach +3.3V PS_ON +3.3V Fan-CMD +3.3V 4-Pin Power (for CPU) Connector and Icon Signal +12V CPU -12V CPU 6-Pin Power (for CPU) (CMT, SFF) Connector and Icon Signal 12V CPU...
Page 211: Sata Data And Power
SATA Data and Power Drive Connector Signal Signal Signal Signal Ground Ground Ground Ground V 3.3 V 3.3 Ground Ground Ground Reserved Ground V 12 V 12 S = Data, P = Power PCI Express x1, x4, x8, and x16 PCI Express Connector Pin A Signal Signal...
Page 212: Pci Express
PERp8 PERn9 PERp13 PERN8 PERp12 PERn13 PERp11 PERn12 PERp10 PERn11 PERp14 PERn15 PERn14 PERp15 NOTE: x1 PCI Express uses pins 1-18 x4 PCI Express uses pins 1-32 x8 PCI Express uses pins 1-49 x16 PCI Express uses pins 1-8 PCI Express x1, x4, x8, and x16 PCI Express Connector Pin B Signal...
Page 213: Pci Express Mini Card
PETp11 PETn12 PETp10 PETn11 PETp9 PETn10 PETp14 PETn9 PETp13 PETn14 PRSNT2# RSVD PETp15 PETn15 NOTE: x1 PCI Express uses pins 1-18 x4 PCI Express uses pins 1-32 x8 PCI Express uses pins 1-49 x16 PCI Express uses pins 1-8 PCI Express Mini Card PCI Express Mini Card Connector Signal Signal...
Page 214: Dvi Connector
PETn0 Reserved* Reserved* Reserved* SMB_DATA USB_D+ LED_WLAN# PETp0 Reserved* Reserved* Reserved* LED_WPAN# +3.3V Reserved* Reserved* USB_D- LED_WWAN# +1.5V NOTE: *Reserved for future second PCI Express LAN (if needed) **Reserved for future wireless coexistence control interface (if needed) ***Reserved for future UIM interface (if needed) DVI Connector Connector and Icon Signal...
Page 215: Appendix B Power Cord Set Requirements
Power Cord Set Requirements The power supplies on some computers have external power switches. The voltage select switch feature on the computer permits it to operate from any line voltage between 100-120 or 220-240 volts AC. Power supplies on those computers that do not have external power switches are equipped with internal switches that sense the incoming voltage and automatically switch to the proper voltage.
Page 216: Country-Specific Requirements
Country-Specific Requirements Additional requirements specific to a country are shown in parentheses and explained below. Country Accrediting Agency Country Accrediting Agency Australia (1) EANSW Italy (1) Austria (1) Japan (3) METI Belgium (1) CEBC Norway (1) NEMKO Canada (2) Sweden (1) SEMKO Denmark (1) DEMKO...
Page 217: Appendix C Post Error Messages
POST Error Messages This appendix lists the error codes, error messages, and the various indicator light and audible sequences that you may encounter during Power-On Self-Test (POST) or computer restart, the probable source of the problem, and steps you can take to resolve the error condition. POST Message Disabled suppresses most system messages during POST, such as memory count and non-error text messages.
Page 218: Post Numeric Codes And Text Messages
POST Numeric Codes and Text Messages This section covers those POST errors that have numeric codes associated with them. The section also includes some text messages that may be encountered during POST. NOTE: The computer will beep once after a POST text message is displayed on the screen. Table C-1 Numeric Codes and Text Messages Control panel message...
Page 219 Memory configuration incorrect. Run Computer Setup or Windows utilities. Make sure the memory module(s) are installed properly. If third-party memory has been added, test using HP-only memory. Verify proper memory module type. 201-Memory Error RAM failure. Run Computer Setup or Windows utilities.
Page 220 Table C-1 Numeric Codes and Text Messages (continued) Control panel message Description Recommended action 303-Keyboard Controller Error I/O board keyboard controller. Reconnect keyboard with computer turned off. Replace the system board. 304-Keyboard or System Unit Error Keyboard failure. Reconnect the keyboard with computer turned off.
Page 221 Table C-1 Numeric Codes and Text Messages (continued) Control panel message Description Recommended action Replace diskette drive. Replace the system board. 605-Diskette Drive Type Error Mismatch in drive type. Run Computer Setup. Disconnect any other diskette controller devices (tape drives). Clear CMOS.
Page 222 Drive Protection System test under Storage > DPS Self-test. Apply hard drive firmware patch if applicable. (Available at http://www.hp.com/support.) Back up contents and replace hard drive. 1796-SATA Cabling Error One or more SATA devices are improperly Ensure SATA connectors are used in attached.
Page 223 Table C-1 Numeric Codes and Text Messages (continued) Control panel message Description Recommended action 2202-PMM Deallocation Error during MEBx Memory error during POST execution of the Reboot the computer. cleanup Management Engine (ME) BIOS Extensions Unplug the power cord, re-seat the option ROM memory modules, and reboot the computer.
Page 224: Interpreting Post Diagnostic Front Panel Leds And Audible Codes
Table C-1 Numeric Codes and Text Messages (continued) Control panel message Description Recommended action Parity Check 2 Parity RAM failure. Run Computer Setup and Diagnostic utilities. System will not boot without fan CPU fan not installed or disconnected in Remove the computer cover, press the VSFF chassis.
Page 225 The USDT power supply adapter must be at 135W and use the Smart ID technology before the system will power up. Replace the power supply adapter with the HP-supplied USDT power supply adapter. Red Power LED flashes five Pre-video memory error.
Page 226 Table C-2 Diagnostic Front Panel LEDs and Audible Codes (continued) Activity Beeps Possible Cause Recommended Action iteration but LEDs continue until problem is solved. Red Power LED flashes eight Invalid ROM based on bad Reflash the system ROM with the latest BIOS times, once every second, checksum.
Page 227 Table C-2 Diagnostic Front Panel LEDs and Audible Codes (continued) Activity Beeps Possible Cause Recommended Action Check that both power supply cables are properly connected to the system board. Check to see if the 5V_aux light on the system board is turned on. If it is turned on, then replace the power button harness.
Page 228: Appendix D Troubleshooting Without Diagnostics
Misuse of the computer or failure to establish a safe and comfortable work environment may result in discomfort or serious injury. Refer to the Safety & Comfort Guide at http://www.hp.com/ ergo for more information on choosing a workspace and creating a safe and comfortable work environment.
Page 229: Helpful Hints
Helpful Hints on page 217 section in this guide. To assist you in resolving problems online, HP Instant Support Professional Edition provides you with self-solve diagnostics. If you need to contact HP support, use HP Instant Support Professional Edition's online chat feature. Access HP Instant Support Professional Edition at: http://www.hp.com/go/ispe.
Page 230 ● Check all cable connections for loose connections or incorrect connections. ● Wake the computer by pressing any key on the keyboard or pressing the power button. If the system remains in suspend mode, shut down the computer by pressing and holding the power button for at least four seconds then press the power button again to restart the computer.
Page 231: Solving General Problems
Solving General Problems You may be able to easily resolve the general problems described in this section. If a problem persists and you are unable to resolve it yourself or if you feel uncomfortable about performing the operation, contact an authorized dealer or reseller. WARNING! When the computer is plugged into an AC power source, voltage is always applied to the system board.
Page 232 Unlock the Smart Cover Lock using Computer Setup. The Smart Cover FailSafe Key, a device for manually disabling the Smart Cover Lock, is available from HP. You will need the FailSafe Key in case of forgotten password, power loss, or computer malfunction.
Page 233 Table D-1 Solving General Problems (continued) Poor performance is experienced. Cause Solution (Windows Vista) and type msconfig. On the Startup tab of the System Configuration Utility, uncheck applications that you do not want to launch automatically. Some software applications, especially games, are stressful Lower the display resolution for the current application or on the graphics subsystem consult the documentation that came with the application...
Page 234: Solving Power Problems
Table D-1 Solving General Problems (continued) System does not power on and the LEDs on the front of the computer are not flashing. Cause Solution Check that both power supply cables are properly connected to the system board. Check to see if the 5V_aux light on the system board is turned on.
Page 235: Solving Diskette Problems
The USDT power supply adapter must be at 135W and use the the USDT. Smart ID technology before the system will power up. Replace the power supply adapter with the HP-supplied USDT power supply adapter. Solving Diskette Problems Common causes and solutions for diskette problems are listed in the following table.
Page 236 Table D-3 Solving Diskette Problems (continued) Drive not found. Cause Solution Cable is loose. Reseat diskette drive data and power cable. Removable drive is not seated properly. Reseat the drive. The device has been hidden in Computer Setup. Run the Computer Setup utility and ensure Device Available is selected for the Legacy Diskette in Security >...
Page 237 Table D-3 Solving Diskette Problems (continued) A problem has occurred with a disk transaction. Cause Solution The directory structure is bad, or there is a problem with a file. In Microsoft Windows XP, right-click Start, click Explore, and select a drive. Select File > Properties > Tools. Under Error- checking, click Check Now.
Page 238: Solving Hard Drive Problems
Solving Hard Drive Problems Table D-4 Solving Hard Drive Problems Hard drive error occurs. Cause Solution Hard disk has bad sectors or has failed. In Microsoft Windows XP, right-click Start, click Explore, and select a drive. Select File > Properties > Tools.
Page 239 Table D-4 Solving Hard Drive Problems (continued) Nonsystem disk/NTLDR missing message. Cause Solution The system is trying to start from a diskette that is not bootable. Remove the diskette from the diskette drive. The system is trying to start from the hard drive but the hard Insert a bootable diskette into the diskette drive and drive may have been damaged.
Page 240: Solving Media Card Reader Problems
The removable hard drive enclosure is beeping and the green LED is flashing. Cause Solution Fan failure alarm on the removable hard drive enclosure has Shut down the computer and contact HP for a replacement been activated. enclosure. Solving Media Card Reader Problems...
Page 241 Table D-5 Solving Media Card Reader Problems (continued) A write-protected or locked error occurs when attempting to write to the media card. Cause Solution Media card is locked. Locking the media card is a safety feature If using an SD card, make sure that the lock tab located on the that prevents writing to and deleting from an SD/Memory Stick/ right of the SD card is not in the locked position.
Page 242: Solving Display Problems
Solving Display Problems If you encounter display problems, see the documentation that came with the monitor and to the common causes and solutions listed in the following table. Table D-6 Solving Display Problems Blank screen (no video). Cause Solution Monitor is not turned on and the monitor light is not on. Turn on the monitor and check that the monitor light is on.
Page 243 Reseat DIMMs. Power on the system. Replace DIMMs one at a time to isolate the faulty module. Replace third-party memory with HP memory. Replace the system board. Blank screen and the power LED flashes Red six times, once every second, followed by a two second pause, and the computer beeps six times.
Page 244 Table D-6 Solving Display Problems (continued) Blurry video or requested resolution cannot be set. Cause Solution If the graphics controller was upgraded, the correct graphics Install the video drivers included in the upgrade kit. drivers may not be loaded. Monitor is not capable of displaying requested resolution. Change requested resolution.
Page 245: Solving Audio Problems
To download a SoftPaq that will assist you with the synchronization, go to the following Web site, select the appropriate monitor, and download either SP32347 or SP32202: http://www.hp.com/support Graphics card is not seated properly or is bad. Reseat the graphics card. Replace the graphics card.
Page 246 Table D-7 Solving Audio Problems Sound cuts in and out. Cause Solution Processor resources are being used by other open Shut down all open processor-intensive applications. applications. Direct sound latency, common in many media player In Windows XP only: applications. From the Control Panel, select Sounds and Audio Devices.
Page 247: Solving Printer Problems
Table D-7 Solving Audio Problems (continued) Sound from headphones is not clear or muffled. Cause Solution Headphones are plugged into the rear audio output connector. Plug the headphones into the headphone connector on the The rear audio output connector is for powered audio devices front of the computer.
Page 248: Solving Keyboard And Mouse Problems
Table D-8 Solving Printer Problems (continued) Printer prints garbled information. Cause Solution The correct printer driver for the application is not installed. Install the correct printer driver for the application. The cables may not be connected properly. Reconnect all cables. Printer memory may be overloaded.
Page 249: Solving Hardware Installation Problems
Table D-9 Solving Keyboard Problems (continued) Cursor will not move using the arrow keys on the keypad. Cause Solution Num Lock key may be on. Press the Num Lock key. The Num Lock light should not be on if you want to use the arrow keys.
Page 250 device and configures the computer. If you install a non–plug and play device, you must reconfigure the computer after completing installation of the new hardware. In Windows, use the Add Hardware Wizard and follow the instructions that appear on the screen. WARNING! When the computer is plugged into an AC power source, voltage is always applied to the system board.
Page 251: Solving Network Problems
Replace DIMMs one at a time to isolate the faulty module. NOTE: DIMM 1 must always be installed. Replace third-party memory with HP memory. Replace the system board. Power LED flashes Red six times, once every second, followed by a two second pause, and the computer beeps six times.
Page 252 Table D-12 Solving Network Problems Wake-on-LAN feature is not functioning. Cause Solution Wake-on-LAN is not enabled. To enable Wake-on-LAN in Windows XP: Select Start > Control Panel. Double-click Network Connections. Double-click Local Area Connection. Click Properties. Click Configure. Click the Power Management tab, then select the check box to Allow this device to bring the computer out of standby.
Page 253 Table D-12 Solving Network Problems (continued) Network status link light never flashes. NOTE: The network status light is supposed to flash when there is network activity. Cause Solution Network controller is not set up properly. Check for the device status within Windows, such as Device Manager for driver load and the Network Connections applet within Windows for link status.
Page 254: Solving Memory Problems
Table D-12 Solving Network Problems (continued) Network controller stopped working when an expansion board was added to the computer. Cause Solution The network controller requires drivers. Verify that the drivers were not accidentally deleted when the drivers for a new expansion board were installed. The expansion board installed is a network card (NIC) and Under the Computer Setup Advanced menu, change the conflicts with the embedded NIC.
Page 255 DIMM module. For those systems that support ECC memory, HP does not support mixing ECC and non-ECC memory. Otherwise, the computer will not boot the operating system.
Page 256: Solving Processor Problems
Memory is installed incorrectly or is bad. Reseat DIMMs. Power on the system. Replace DIMMs one at a time to isolate the faulty module. Replace third-party memory with HP memory. Replace the system board. Solving Processor Problems If you encounter processor problems, common causes and solutions are listed in the following table.
Page 257 Table D-15 Solving CD-ROM and DVD Problems System will not boot from CD-ROM or DVD drive. Cause Solution The device is attached to a SATA port that has been hidden in Run the Computer Setup utility and ensure Device Available the Computer Setup utility.
Page 258 Table D-15 Solving CD-ROM and DVD Problems (continued) Movie will not play in the DVD drive. Cause Solution Movie rating locked out by parental lock. Use DVD software to remove parental lock. Media installed upside down. Reinstall media. Cannot eject compact disc (tray-load unit). Cause Solution Disc not properly seated in the drive.
Page 259: Solving Drive Key Problems
Solving Drive Key Problems If you encounter Drive Key problems, common causes and solutions are listed in the following table. Table D-16 Solving Drive Key Problems USB Drive Key is not seen as a drive letter in Windows. Cause Solution The drive letter after the last physical drive is not available.
Page 260: Solving Internet Access Problems
Table D-17 Solving Front Panel Component Problems A USB device, headphone, or microphone is not recognized by the computer. Cause Solution Device is not properly connected. Turn off the computer. Reconnect the device to the front of the computer and restart the computer.
Page 261 Table D-18 Solving Internet Access Problems (continued) Unable to connect to the Internet. Cause Solution IP address is not configured properly. Contact your ISP for the correct IP address. Cookies are corrupted. (A “cookie” is a small piece of Windows Vista information that a Web server can store temporarily with the Select Start >...
Page 262: Solving Software Problems
If you encounter software problems, see the applicable solutions listed in the following table. Table D-19 Solving Software Problems Computer will not continue and no HP logo screen has appeared. Cause Solution POST error has occurred.
Page 263: Contacting Customer Support
Contacting Customer Support For help and service, contact an authorized reseller or dealer. To locate a reseller or dealer near you, visit http://www.hp.com. NOTE: If you take the computer to an authorized reseller, dealer, or service provider for service, remember to provide the setup and power-on passwords if they are set.
Page 264: Appendix E System Board And Riser Board Reference Designators
System Board and Riser Board Reference Designators These reference designators are used on most but not all HP system and riser boards. Designator Component Battery socket/Battery LED - 5V_Aux (on) Health-LED UID LED Power LED CR35 Hard drive activity LED...
Page 265 Secondary SCSI connector Stacked parallel/SCSI connector AGP slot x16 PCI Express slot for graphics First parallel port Second parallel port Double-stacked parallel port, Top = Port B, Bottom = Port A Parallel port over single Serial Port Parallel port over Serial Port and Video Port Parallel port over dual VGA ports DVI connector Keyboard connector, PS/2 (Closest to power supply)
Page 266 USB rear port choke (2nd) USB rear port choke (3rd) USB front port choke (2nd) P/S connector (20 or 24 pin) Second P/S connector (as required) Processor 12V header Secondary Processor 12V header Main Power/HDD LED connector Speaker connector Analog audio connector (from CD-ROM) Primary chassis fan header or primary CPU heatsink fan Secondary chassis fan header Diskette drive connector...
Page 267 Primary serial port Double stack serial port, Top = Serial B, Bottom = Serial A Riser edge connector (male-mates with J30) PrimarySerial ATA (SATA) connector Second Serial ATA (SATA) connector Third Serial ATA (SATA) connector Fourth Serial ATA (SATA) connector VSFF expansion connector Graphics option connector Fifth Serial ATA (SATA) connector...
Page 268 South bridge Super I/O Clock chip 64 bit Bridge LOM1 LOM1 EEPROM LOM1 PHY Audio Codec Audio amplifier LOM2 LOM2 EEPROM LOM2 PHY SPI ROM - SOIC-8 footprint Fan controller SPI ROM - SO16 footprint TMDS controller Parallel port diode array First serial port transceiver Second serial port transceiver VRM controller...
Page 269 Secondary NIC clock crystal Y5/H5 RTC clock crystal/tie-down...
Page 270: Index
Altiris creating 35 assignments 197 AClient 22 DiskOnKey 35, 36 CD-ROM or DVD problems 244 Deployment Solution HP Drive Key 35, 36 change notification 31 Agent 22 USB flash media device 35 changing computer asset tracking 38 booting options configuration 103, 105...
Page 271 97 DiskOnKey access panel removal and Smart Cover Lock removal and bootable 35, 36 replacement 64 replacement 61 HP Drive Key 35 battery removal and speaker removal and drive bezel replacement 100 replacement 94 CMT removal and cable connections 68...
Page 272 57 hood sensor drive 140 Fault Notification and Recovery CMT removal and USDT memory module 166, HP Client Manager 47 replacement 63 fingerprint identification USDT SODIMMs 166, 167 technology 47 Backup and Recovery Intel vPro-branded PCs with Active...
Page 273 USDT changing 42 locks attaching release latch 171 deleting 43 cable lock 160 ordering FailSafe Key 46 entering 41 HP Business PC Security overheating, prevention 55 setting 41 Lock 161 Preboot Execution Environment (PXE) 23 padlock preinstalled software image 21...
Page 274 SFF system board 153 fingerprint identification Remote System Installation 23 USDT battery 189 technology 47 removable hard drive USDT bezel blanks 165 HP Business PC Security replacing 82 USDT computer access Lock 111, 161 removal and replacement panel 163 HP ProtectTools Security CMT 5.25"...
Page 275 19 replacement 153 hard drive removal and Drive Protection System 47 USDT removal and replacement 138 HP Client Catalog for SMS 28 replacement 187 heatsink removal and HP Client Foundation system board drive connections replacement 149 Suite 27...
Page 276 BIOS download 31 bezel blanks removal and HP Client Foundation replacement 165 Suite 27 cable connections 170 HP Client Foundation Suite and cable management 169 Client Premium Suite 23 chassis, illustrated 52 HP Client Manager 26 computer access panel removal...

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Dc73 - blade workstation client

HP Compaq dc7800 Reference Manual

1 Installing and Customizing the Software

2 Computer Setup (F10) Utility

3 Computer Diagnostic Features

4 Desktop Management

5 Serial and Parallel ATA Drive Guidelines and Features

6 Identifying the Chassis, Routine Care, and Disassembly Preparation

7 Removal and Replacement Procedures Convertible Minitower (CMT) Chassis

8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis

9 Removal and Replacement Procedures Ultra-Slim Desktop (USDT) Chassis

Appendix A Connector Pin Assignments

Appendix B Power Cord Set Requirements

Appendix C POST Error Messages

Appendix D Troubleshooting Without Diagnostics

Appendix E System Board and Riser Board Reference Designators

Index

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Summary of Contents for HP Compaq dc7800