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HP Compaq dc7700 Business PC 1st Edition This document provides information on the removal and replacement of all parts as well as information on troubleshooting, Desktop Management, setup utilities, PATA and SATA drives, safety, routine care, connector pin assignments, POST error messages, and diagnostic indicator lights.
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Service Reference Guide HP Compaq dc7700 Business PC dc7700 1st Edition Document Part Number: 433612-001 September 2006...
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UNIX is a registered trademark of The Open Group. The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services. 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 action points the operating system to the appropriate drivers. Obtain the latest support software, including support software for the operating system from www.hp.com/support . Select the appropriate country and language then, select Download drivers and software, enter the model number of the computer, and press You can also obtain the latest support software on CDs.
3. Follow the instructions in the wizard. The HP Backup and Recovery Manager can be used to back up data and system files to the hard drive, to network drives, or to removable media, such as CDs, DVDs, or flash media. If data or system files are lost, deleted, or corrupted, Backup and Recovery Manager allows you to retrieve data or restore the last good system image.
Establish and manage energy-saving timeouts. ✎ All features identified in this chapter may not be available on all HP products. Power-On Self-Test (POST) POST is a series of diagnostic tests that runs automatically when the system is turned on. POST checks the following items to ensure that the computer system is functioning properly: ■...
Setup Utilities and Diagnostics Features 2.2 Computer Setup Utilities Use Computer Setup Utilities (F10) to: ■ 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.
2.2.1 Using Computer Setup (F10) Utilities Computer Setup can be accessed only by turning on the computer or restarting the system. To access the Computer Setup Utilities menu, complete the following steps: 1. Turn on or restart the computer. If you are in Windows, click Start >Shut Down >Restart. 2.
Setup Utilities and Diagnostics Features 2.2.2 Computer Setup Menu Heading Option File System Information About Set Time and Date Flash System ROM (some models) Replicated Setup Default Setup Apply Defaults and Exit Ignore Changes and Exit Save Changes and Exit ✎...
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Heading Option Storage Device Configuration ✎ Support for specific Computer Setup options may vary depending on the hardware configuration. Service Reference Guide, dc7700 Description Lists all installed BIOS-controlled storage devices. When a device is selected, detailed information and options are displayed.
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Setup Utilities and Diagnostics Features Heading Option Storage Device (continued) Configuration (continued) Storage Options ✎ Support for specific Computer Setup options may vary depending on the hardware configuration. 2–6 Description Multisector Transfers (ATA disks only) Specifies how many sectors are transferred per multi-sector PIO operation.
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Heading Option Storage Storage Options (continued) (continued) DPS Self-Test ✎ Support for specific Computer Setup options may vary depending on the hardware configuration. Service Reference Guide, dc7700 Description SATA Emulation Allows you to choose how the SATA controller and devices are accessed by the operating system.
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Setup Utilities and Diagnostics Features Heading Option Storage Boot Order (continued) Security Smart Card Options (some models) Setup Password Power-On Password Password Options (This selection will appear only if a power-on password or setup password is set.) ✎ Support for specific Computer Setup options may vary depending on the hardware configuration. 2–8 Description Allows you to:...
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Heading Option Security Smart Cover (continued) (some models) Embedded Security (This menu only appears after the Embedded Security Device is made available under Device Security) Device Security Network Service Boot System IDs DriveLock Security ✎ Support for specific Computer Setup options may vary depending on the hardware configuration. Service Reference Guide, dc7700 Description Allows you to:...
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Setup Utilities and Diagnostics Features Heading Option Security OS Security (continued) Power OS Power Management Hardware Power Management Thermal ✎ Support for specific Computer Setup options may vary depending on the hardware configuration. 2–10 Description ✎ This selection is in effect only if the processor and operating system being used comprehend and utilize this feature.
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Heading Option Advanced* Power-On Options *For advanced users only ✎ Support for specific Computer Setup options may vary depending on the hardware configuration. Service Reference Guide, dc7700 Description Allows you to set: • POST mode (QuickBoot, FullBoot, or FullBoot every 1-30 days). •...
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Setup Utilities and Diagnostics Features Heading Option Advanced* Power-On Options (continued) (continued) *For advanced users only Execute Memory Test (some models) BIOS Power-On Onboard Devices PCI Devices PCI VGA Configuration ✎ Support for specific Computer Setup options may vary depending on the hardware configuration. 2–12 Description Allows you to set: (continued)
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Heading Option Advanced* Bus Options* (continued) *For advanced users only Device Options ✎ Support for specific Computer Setup options may vary depending on the hardware configuration. Service Reference Guide, dc7700 Description On some models, allows you to enable or disable: •...
The utility simplifies the process of effectively identifying, diagnosing, and isolating hardware issues. The Survey tab is displayed when you invoke HP Insight Diagnostics. This tab shows the current configuration of the computer. From the Survey tab, there is access to several categories of information about the computer.
It is recommended that you accept the assigned default keyboard for your language unless you want to test your specific keyboard. 6. 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.
Setup Utilities and Diagnostics Features Miscellaneous—Shows information obtained from the computer configuration memory (CMOS), system management BIOS data, system board data, and diagnostics component information. Storage—Shows information about storage media connected to the computer. This list includes all fixed disks, diskette drives, and optical drives. System—Shows information about the system board, processor, chassis, and BIOS, plus internal speaker and PCI bus information.
The Clear Error Log button will clear the contents of the Error Log. 2.3.6 Help Tab 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.
You can save the information displayed in the HP Insight Diagnostics Status 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.
Support for specific features described in this guide may vary by model or software version. Initial Configuration and Deployment HP computers come with a preinstalled system software image. After a brief software “unbundling” process, the computer is ready to be used.
5. Scroll down and click on the link to install Altiris AClient. 3.1.3 HP Backup and Recovery Manager HP Backup and Recovery Manager can create the Restore Plus! CD set. This set includes the Restore Plus! CD, the Operating system CD, and any Supplemental Software CDs.
Configuring the system BIOS settings. To initiate Remote System Installation, press message appears in the lower-right corner of the HP logo screen. 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.
HP System Software Manager (SSM) is a free utility that automates remote deployment of device drivers and BIOS updates for networked HP business PCs. When SSM runs, it silently (without user interaction) determines the revision levels of drivers and BIOS installed on each networked client system and compares this inventory against system software SoftPaqs that have been tested and stored in a central file store.
(some models only) be installed on your computer, and Smart Card Security for ProtectTools requires an optional smart card and reader. ProtectTools modules may be preinstalled, preloaded, or available for purchase from the HP Web http://www.hp.com/products/security site. Visit 3.3.5 HP Client Premium Suite...
Proven across enterprises of every size and complexity, HP’s adaptive, policy-based model for software Configuration Management, automates the entire software lifecycle management process - from discovery, deployment, and ongoing management through to migration and retirement.
Hardware-based isolation and recovery—limit or cut off PC network access, if virus-like activity is detected ✎ For an overview of Intel vPro technology, visit For HP-specific information on Intel vPro technology, see the white papers at http://www.hp.com/support troubleshooting information Resources...
Provisioning Server—allows administrator to assign IP address of provisioning server ❏ Provision Model—allows administrator to configure either enterprise or SMB mode ❏ Set PID and PPS—allows administrator to provide pre-provisioning key (see HP’s white paper, Intel vPro Provisioning) ❏ Un-Provision—allows administrator to reset AMT configuration to factory defaults ❏...
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.
If the system successfully reprograms the ROM, the system will automatically power off. 4. Remove the removable media used to upgrade the BIOS. 5. Turn the power on to restart the computer. 3–10 http://www.hp.com/support/files 433612-001 Service Reference Guide, dc7700 and enter the product...
This allows for faster, more consistent configuration of multiple computers. ✎ Both procedures require a diskette drive or a supported USB flash media device, such as an HP Drive Key. Copying to Single Computer Ä...
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 device being used does not have this image, use the procedure later in this section (see “Unsupported USB Flash Media...
Desktop Management 10. At the A:\ prompt, enter Ä CAUTION: Be sure that you have entered the correct drive letter for the USB flash media device. FORMAT will display one or more warnings and ask you each time whether you want to proceed.
3. In the Power Button section, select Stand by. Service Reference Guide, dc7700 FORMAT C: /S Enter and press when the monitor light turns green to enter Enter to bypass the title screen, if necessary. 433612-001 Desktop Management key. Ctrl . Format will format the USB flash 3–15...
HP has made the task of locating, accessing, evaluating, and installing the latest support software easier. You can download the software from The Web site contains the latest device drivers, utilities, and flashable ROM images needed to run the latest Microsoft Windows operating system on the HP computer.
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✎ HP Embedded Security for ProtectTools, the Smart Cover Sensor, and the Smart Cover Lock are available as options on some systems. Use the following utilities to manage security settings on the HP computer: ■...
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Desktop Management Security Features Overview (Continued) Option Device Security Network Service Boot System IDs DriveLock (some models) ✎ For more information about Computer Setup, see the Computer Setup (F10) Utility Guide. Support for security features may vary depending on your specific computer configuration.
3.5.2 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 Setup prevents reconfigration of the computer (use of the Computer Setup (F10) utility) until the password is entered.
Entering a Setup Password If the system is equipped with an embedded security device, refer to the HP ProtectTools Security Manager Guide at If a setup password has been established on the computer, you will be prompted to enter it each time you run Computer Setup.
Changing 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 1. Turn on or restart the computer. If you are in Windows, click Start > Shut Down > Restart.
If you forget the password, you cannot access the computer. Refer to the Troubleshooting Guide on the Documentation and Diagnostics CD for instructions on clearing passwords. If the system is equiped with an embedded security device, refer to the HP ProtectTools Security www.hp.com Manager Guide at 3.5.4 DriveLock...
DriveLock. Since the initial configuration of DriveLock is typically performed by a system administrator, a master password should be set first. HP encourages system administrators to set a master password whether they plan to enable DriveLock or keep it disabled.
4. Before exiting, select 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.
PC component failure (such as processor or power supply) ■ Forgotten password CAUTION: The Smart Cover FailSafe Key is a specialized tool available from HP. Be prepared; order Ä this key before you need one (Tamper-resistant wrench PN 166527-001 or tamper-resistant bits PN 166527-002).
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, you can also remotely schedule diagnostics to automatically run on all managed PCs and create a summary report of failed tests.
Serial ATA = SATA Parallel ATA = PATA HP only supports the use of SATA hard drives on these models of computer. The USDT model is the only product that supports a PATA optical drive. No PATA drives are supported on any other model.
4.2 SATA Hard Drive Cables 4.2.1 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.
4.4 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.
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Serial and Parallel ATA Drive Guidelines and Features 4–4 433612-001 Service Reference Guide, dc7700...
Identifying the Chassis, Routine Care, and 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 Ä...
Identifying the Chassis, Routine Care, and Disassembly Preparation 5.1.2 Small Form Factor (SFF) 5.1.3 Ultra-Slim Desktop (USDT) 5–2 433612-001 Service Reference Guide, dc7700...
5.2 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.
Identifying the Chassis, Routine Care, and Disassembly Preparation 5.2.3 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.
■ Never restrict the airflow into the computer by blocking any vents or air intakes. Do not place the keyboard, with the keyboard feet down, directly against the front of the desktop unit as this also restricts airflow. ■...
Identifying the Chassis, Routine Care, and Disassembly Preparation 5.4 Routine Care 5.4.1 General Cleaning Safety Precautions 1. Never use solvents or flammable solutions to clean the computer. 2. Never immerse any parts in water or cleaning solutions; apply any liquids to a clean cloth and then use the cloth on the component.
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.
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 Reference Guide, dc7700...
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Identifying the Chassis, Routine Care, and Disassembly Preparation 5–10 433612-001 Service Reference Guide, dc7700...
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. ✎...
6.2 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 on the Documentation and Diagnostics CD for more information about the Smart Cover Lock.
6.3 Hood Sensor 1. Prepare the computer for disassembly 2. Remove the access panel 3. Disconnect the hood sensor cable from the system board. 4. Slide the hood sensor switch towards the front of the computer 1 and lower it down through the slot 2.
Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis 6.4 External Security Devices 6.4.1 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. 6.4.2 Padlock A padlock may be used by itself to secure the access panel to the computer chassis.
6.5 Computer Access Panel 1. Prepare the computer for disassembly Ä 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. 2. Lift up on the access panel handle 1, slide the access panel back about 2.5 cm (1 inch), then lift it off the unit 2.
Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis 6.6 Front Bezel 1. Prepare the computer for disassembly 2. Remove the computer access panel 3. Push up on the two release tabs 1, then rotate the front bezel away from the chassis to release it 2.
6.7 Front Drive Bezels 1. Prepare the computer for disassembly 2. Remove the access panel 3. Remove the front bezel 6.7.1 5.25” Drive Bezel Blank Gently pull the subpanel, with the bezel blanks secured in it, away from the front bezel, then remove the desired bezel blank.
Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis 6.7.2 Diskette Drive Bezel or Bezel Blank Press up on the two small retaining clips 1 on the bottom of the bezel insert, press down on the two small retaining clips 2 on the top of the insert, and push the cover out of the front bezel 3. To install a bezel or a bezel blank, reverse the removal procedure.
6.8 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.
Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis 6.8.1 Cable Connections All cable connectors on the system board are color-coded for ease of installation. System Board Connections System Board Connector, Name, and Connector Color P10, FLOPPY, black P70, CPU FAN P8, CHASSIS FAN P5, F_PNL P23, FRNT USB, Yellow...
6.9 Memory CAUTION: The memory module sockets have gold metal contacts. When upgrading the memory, it is important to use memory modules with gold metal contacts to prevent corrosion and/or oxidation resulting from having incompatible metals in contact with each other. Ä...
Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis ✎ The computer automatically recognizes the additional memory when the computer is turned on. To reassemble the computer, reverse the removal procedure. ✎ If you normally lock the Smart Cover Lock, use Computer Setup to relock the lock and enable the Smart Cover Sensor.
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5. If you are installing an expansion card in a vacant socket, remove the appropriate expansion slot cover on the back of the chassis. Pull the slot cover straight up to release it from the chassis frame. 6. If you are removing an expansion card from a standard expansion socket, hold the card at each end and carefully rock it back and forth until the connectors pull free from the socket.
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Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis 7. If you are removing a PCI Express card from a x16 PCI Express socket with a retention mechanism, pull the retention arm away from the socket then carefully rock the card back and forth until the connectors pull free from the socket.
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10. Slide the bracket on the end of the expansion card down into the slot on the back of the chassis and press the card down firmly into the socket on the system board. ✎ When you install an expansion card, make sure you press firmly on the card so that the whole connector seats properly in the expansion card socket on the system board.
Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis 6.1 1 PCI Retainer Latch 1. Prepare the computer for disassembly 2. Remove the computer access panel 3. Locate the correct vacant expansion socket on the system board and the corresponding expansion slot on the back of the computer chassis.
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6. Slide the pivoting bar to the right 1, then lift the left end 2 to remove it from the chassis. To replace the bar, slide it into the socket on the right 1, lower it into position 3, and slide it to the left 4 to secure it in place.
Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis 6.12 Expansion Card Guide 1. Prepare the computer for disassembly 2. Remove the computer access panel 3. Remove any expansion cards that might be in the way (Section 6.10). 4. Compress the retaining tabs 1 that secure the card guide to the chassis and remove the guide from the chassis 2.
6.13 Drives The computer supports up to six drives that may be installed in various configurations. This Section describes the procedure for replacing or upgrading the storage drives. A Torx T-15 screwdriver is needed to remove and install the guide screws on a drive. Ä...
Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis 6.13.2 Hard Drive CAUTION: To prevent loss of work and damage to the computer or drive: Ä ■ If you are inserting or removing a hard drive, shut down the operating system properly, then turn off the computer.
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✎ Extra guide screws are provided on the chassis. Hard drives use 6-32 standard screws. Optical drives use M3 metric screws. The HP-supplied metric screws are black. The HP-supplied standard screws used on hard drives are silver. 7. Store the removed drive in anti-static packaging.
5. If the computer is in the desktop mode, continue with step 7. If the computer is in the minitower mode, continue with step 8. 6. In the desktop mode, press down on the yellow drivelock mechanism 1 and slide the drive from the drive bay 2.
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✎ Extra guide screws are provided on the chassis on the side of the fourth drive bay. Optical drives use M3 metric screws. The HP-supplied metric screws are black. The HP-supplied standard screws, used only for hard drives, are silver.
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Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis 9. After installing the M3 metric guide screws 1, install the drive by sliding it into the appropriate drive bay on the front of the chassis 2. The drivelock automatically secures the drive in the bay.
Extra guide screws are provided on the side of the drive bay under the access panel. The diskette drive uses M3 metric screws. The HP-supplied metric screws are black. The HP-supplied standard screws, used only for hard drives, are silver.
Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis 6.14 Front I/O Device 1. Prepare the computer for disassembly 2. Remove the computer access panel 3. Remove the front bezel 4. Disconnect the two I/O device cables from the system board: the front USB cable pair and the front audio cable.
6.15 Power Switch Assembly 1. Prepare the computer for disassembly 2. Remove the computer access panel 3. Remove the front bezel 4. Disconnect the power switch/LED cable from the system board. 5. Squeeze the switch holder retaining clips together at the front of the chassis 1 and pull the switch assembly out of the chassis 2.
Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis 6.16 System Board 1. Prepare the computer for disassembly 2. Remove the computer access panel 3. Remove all PCI expansion boards 4. Remove the x16 PCI Express graphics card 5. Disconnect all cables connected to the system board, noting their location for reinstallation. 6.
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. Ä...
Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis 6.17.1 Type 1 Battery Holder 1. Lift the battery out of its holder. 2. Slide the replacement battery into position, positive side up. 3. The battery holder automatically secures the battery in the proper position. 4.
6.17.2 Type 2 Battery Holder 1. To release the battery from its holder, squeeze the metal clamp 1 that extends above one edge of the battery. When the battery pops up, lift it out. 2. To insert the new battery, slide one edge of the replacement battery under the holder’s lip with the positive side up 2.
Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis 6.17.3 Type 3 Battery Holder 1. Pull back on the clip 1 that holds the battery in place, then remove the battery 2. 2. Insert the new battery and position the clip back in place. 3.
6.18 Heatsink 1. Prepare the computer for disassembly 2. Remove the computer access panel 3. Disconnect the heatsink control cable from the system board. 4. Uncrew 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 Ä...
Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis 6.19 Processor 1. Prepare the computer for disassembly 2. Remove the computer access panel 3. Disconnect the heatsink control cable from the system board and remove the heatsink (Section 6.18). 4. Rotate the locking lever to its full open position 1. 5.
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 http:\\h18000.www1.hp.com/support/files found on the Web at: 6.20 Speaker...
Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis 6.21 Chassis Fan 1. Prepare the computer for disassembly 2. Remove the computer access panel 3. Disconnect the fan control cable from the system board. 4. Remove the four screws that secure the fan assembly to the chassis and then remove the fan assembly.
6.22 Power Supply Å 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. 1.
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Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis 4. With the power supply stopped by the retaining clips 1, lift the power supply to raise it over the clips then slide the power supply forward 2 to remove it from the computer. To install the power supply, reverse the removal procedure.
6.23 Changing from Desktop to Minitower 1. Prepare the computer for disassembly 2. Remove the computer access panel 3. Remove the front bezel 4. Disconnect all power and data cables from the back of the drives in the 5.25-inch drive bays.
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Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis 6. Before you reinstall each drive into the chassis, turn it so that it is in the same orientation as the internal 3.5-inch drive. The bottom of the drive should be parallel to the yellow drivelock. 7.
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11. Reposition the subpanel (rotate it 90°) with the logo at the bottom, then snap it back into the bezel. 12. Replace the front bezel and computer access panel. 13. Reconnect the external equipment. 14. If you normally lock the Smart Cover Lock, use Computer Setup to relock the lock and enable the Smart Cover Sensor.
Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis 6.24 Changing from Minitower to Desktop 1. Prepare the computer for disassembly 2. Remove the computer access panel 3. Remove the front bezel 4. Disconnect all power and data cables from the back of the drives in the 5.25-inch drive bays.
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CAUTION: Hold the subpanel straight when you pull it away from the front bezel. Pulling the subpanel Ä away at an angle could damage the pins that align it within the front bezel. 10. Reposition the bezel blanks within the subpanel in the proper orientation for the desktop configuration. Service Reference Guide, dc7700...
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Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis 11. Reposition the subpanel (rotate it 90°) with the logo at the bottom, then snap it back into the bezel. 12. Replace the front bezel and computer access panel. 13. Reconnect the external equipment. 14.
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. ✎...
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 on the Documentation and Diagnostics CD for more information about the Smart Cover Lock.
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Removal and Replacement Procedures— Small Form Factor (SFF) Chassis To reattach the Smart Cover Lock: 1. Install the Smart Cover Lock assembly on the inside of the rear panel with the metal arm 1 wrapped around the air vent grid on the back of the chassis. 2.
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis Hood Sensor 1. Prepare the computer for disassembly. 2. Remove the computer cover. 3. Remove the special security clip cage. 4. Raise the power supply to its full upright position. 5. Disconnect the hood sensor cable from the system board. 6.
External Security Devices 7.4.1 Security Clip A special clip is required to secure the computer from intrusion. This clip must be installed before installing the computer cover. 7.4.2 Cable Lock The cable lock may be used to secure the computer cover to the chassis and, at the same time, secure the computer to a fixed object.
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.4.3 Padlock A padlock may be used by itself to secure the computer cover to the computer chassis. A padlock may also be used with a security cable to secure the computer to a fixed object. 7–6 433612-001 Service Reference Guide, dc7700...
Computer Cover 1. Prepare the computer for disassembly Ä CAUTION: Before removing the computer cover, ensure that the computer is turned off and that the power cord is disconnected from the electrical outlet. 1. Press the buttons on the left and right sides of the computer 1. 2.
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis Front Drive Bezels 1. Prepare the computer for disassembly 2. Remove the computer cover 3. Remove the drive bezel by pushing the top tab on the right side of the larger front bezel as shown 1 and rotating the drive bezel away from the larger front bezel 2.
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There are three drive bezel inserts that are available. Service Reference Guide, dc7700 Removal and Replacement Procedures— Small Form Factor (SFF) Chassis Item Description Diskette drive bezel Hard drive bezel 3.5” drive bezel 433612-001 7–9...
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 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.
7.7.1 Cable Connections System board connectors are color-coded to make it easier to find the proper connection. Cable Power Supply Power Supply Power Supply Power Supply Power Supply Power Supply Cable Diskette drive 1st SATA Hard drive 2nd SATA Hard drive if no ODD/1st ODD 2nd SATA Hard drive if ODD present...
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis Memory Ä CAUTION: The memory module sockets have gold metal contacts. When upgrading the memory, it is important to use memory modules with gold metal contacts to prevent corrosion and/or oxidation resulting from having incompatible metals in contact with each other.
✎ The computer automatically recognizes the additional memory when the computer is turned on. To reassemble the computer, reverse the removal procedure. ✎ If you normally lock the Smart Cover Lock, use Computer Setup to relock the lock and enable the Smart Cover Sensor.
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.9.2 PCI Expansion Card 1. If you have locked the Smart Cover Lock, restart the computer and enter Computer Setup to unlock the lock. 2. Turn off the computer properly through the operating system, then turn off any external devices.
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8. Install the expansion card by sliding the card under the slot cover retention latch then pressing the card down into the slot on the system board. ✎ Be sure not to scrape other components in the chassis when installing an expansion card. 9.
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.9.3 PCI Express Expansion Card To remove a PCI Express expansion card: 1. If you have locked the Smart Cover Lock, restart the computer and enter Computer Setup to unlock the lock. 2.
7.10 PCI Riser Card Assembly and Backwall 1. If you have locked the Smart Cover Lock, use Computer Setup to unlock the lock (Section 7.2). 2. Prepare the computer for disassembly 3. Remove the computer cover 4. Remove all PCI and PCI Express expansion cards from the PCI expansion slots (Section 7.9).
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Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7. Remove the SmartCover lock from the backwall of the chassis using the special security wrench and disconnect its cable from the system board. 8. Disconnect the data and power cables from the system board. 9.
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Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 12. Remove the long mounting screw that secures the system board tray to the chassis. 13. Slide the system board tray assembly towards the front of the chassis about 6 cm (1/4 inch) and lift the system board up and out of the chassis.
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Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 14. Remove the three screws that secure the backwall assembly to the chassis 1, then slide the backwall assembly a few millimeters/inches toward the space vacated by the power supply and lift out(2. 15.
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16. Install the serial connector into the new backwall using the two screws that were removed from the serial connector in a previous step. Reconnect the “Serial A” cable to the system board. 17. Install the system board tray assembly. Be sure the keyhole slot on the system board sits properly over the locking pins.
Ä 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. 7.1 1.1 Drive Positions...
7.1 1.2 Optical Drive CAUTION: All removable media should be taken out of the drives before removing the drive from the Ä computer. ✎ An optical drive is a CD-ROM, CD-R/RW, DVD-ROM, DVD+R/RW, or CD-RW/DVD Combo drive. 1. If you have locked the Smart Cover Lock, use Computer Setup to unlock the lock 7.2).
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Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 6. Rotate the drive cage down to its normal position before trying to remove the drive. 7. Press the green drive retainer latch and slide the drive forward and lift it from the drive cage. 8.
7.1 1.3 External 3.5-inch Drive 1. If you have locked the Smart Cover Lock, use Computer Setup to unlock the lock 7.2). 2. Prepare the computer for disassembly 3. Remove the computer cover 4. Remove the optical drive 5. Rotate the drive cage to its upright position by pulling on the green-tabbed lip. 6.
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Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 8. Press the green drive retention latch 1 located on the side of the diskette drive to disengage the drive from the drive cage and slide the diskette drive forward approximately 6mm (1/4 inch) 2.
Ä 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. Ä CAUTION: To prevent loss of work and damage to the computer or drive: ■...
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Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 5. Remove the security clip that secures the backwall to the power supply. 6. Rotate the power supply to its full upright position. 7–28 433612-001 Service Reference Guide, dc7700...
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7. Disconnect the power and data cables from the back of the hard drive. 8. Pull the tab that locks the drive in place away from the drive 1, slide the hard drive toward the front of the computer, then lift it up and out of the bay 2. To install a hard drive, reverse the above procedure.
You will need a Torx T-15 screwdriver to remove and re-install the guide screws. HP has provided four extra 6-32 standard guide screws on the front of the chassis, under the computer cover. The 6-32 standard guide screws are silver and are used only for the hard drive.
7.13 Front I/O Devices 1. Prepare the computer for disassembly 2. Remove the computer cover 3. Remove the two screws that secure the front I/O device to the chassis 1. 4. Rotate the drive cage to its full upright position. 5.
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.14 Heatsink 1. Prepare the computer for disassembly 2. Remove the computer cover 3. Remove the fan shroud 4. Disconnect the fan control cable from the system board. 5. Loosen the four captive screws that secure the heatsink to the system board tray. CAUTION: Heatsink retaining screws should be removed in diagonally opposite pairs (as in an X) to Ä...
7.15 Processor 1. Prepare the computer for disassembly 2. Remove the computer cover 3. Remove the fan shroud 4. Disconnect the heatsink control cable from the system board and remove the heatsink (Section 7.14). 5. Rotate the locking lever to its full open position 1. 6.
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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 http:\\h18000.www1.hp.com/support/files found on the Web at: 7–34...
7.16 Speaker 1. Prepare the computer for disassembly 2. Remove the computer cover 3. Remove the fan shroud 4. Remove any memory modules that might interfere with the screwdriver used for removing the speaker. 5. Disconnect the speaker wire from the system board. 6.
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.17 Power Supply Å 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.
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Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 8. Rotate the power supply to its full upright position 1, then lift the power supply straight up and out of the chassis 2. To install the power supply, reverse the removal procedure. CAUTION: When installing the power supply cables, make sure they are properly positioned so they Ä...
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.18 Chassis Fan 1. Prepare the computer for disassembly 2. Remove the computer cover 3. Remove the fan shroud 4. Disconnect the chassis fan cable from the system board. 5. Remove the four screws that secure the fan to the chassis, then remove the fan from the chassis.
7.19 System Board 1. Prepare the computer for disassembly 2. Remove the computer cover 3. Remove all PCI and PCI Express expansion boards 4. Remove the fan shroud from the chassis 5. Remove the chassis fan from the chassis 6. Rotate the drive cage to its full upright position. 7.
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Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 9. Disconnect the serial port from the system board. 10. Disconnect the balance of the cables from the system board. 11. Remove the long mounting screw that secures the system board tray to the chassis. 7–40 433612-001 Service Reference Guide, dc7700...
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12. Slide the system board tray assembly towards the front of the chassis, about 6 mm (1/4 inch) and lift the system board up and out of the chassis. 13. Remove the heatsink from the system board and the system board tray To install the system board, reverse the removal procedure.
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.20 Drive Clutch Components 1. Prepare the computer for disassembly 2. Remove the computer cover 3. Remove the optical drive and any other drive in the rotating drive cage Section 7.11.3). 4.
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Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 8. Hold the drive cage in the upright position while removing the two screws that secure the clutch finger assembly to the drive cage. ✎ The clutch finger assembly doe not have to be removed to remove the power switch. To replace the drive clutch components, reverse the removal procedure.
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.21 Power Switch Assembly 1. Prepare the computer for disassembly 2. Remove the computer cover 3. Remove all drives from the rotating drive cage 4. Remove the chassis fan 5. Remove the system board 6.
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. Ä...
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.22.1 Type 1 Battery Holder 1. Lift the battery out of its holder. 2. Slide the replacement battery into position, positive side up. 3. The battery holder automatically secures the battery in the proper position. 4.
7.22.2 Type 2 Battery Holder 1. To release the battery from its holder, squeeze the metal clamp that extends above one edge of the battery. When the battery pops up, lift it out 2. To insert the new battery, slide one edge of the replacement battery under the holder’s lip with the positive side up 2.
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.22.3 Type 3 Battery Holder 1. Pull back on the clip 1 that holds the battery in place, then remove the battery 2. 2. Insert the new battery and position the clip back in place. 3.
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.
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Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis 8. If the PC is mounted in the accessory mounting stand, loosen the thumbscrew that secures the computer to the stand 1. 9. Slide the computer forward until it is disengaged from the hooks on the front of the tower stand, then lift the computer off the stand 2 and lay the computer down on its rubber feet.
A padlock may be used by itself to secure the access panel to the computer chassis. A padlock may also be used with a security cable to secure the computer to a fixed object. Service Reference Guide, dc7700 Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis 433612-001 8–3...
Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis 8.3 Computer Access Panel 1. Prepare the computer for disassembly Ä 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.
2. 4. Disconnect the flat ribbon cable from the back of the optical drive. Service Reference Guide, dc7700 Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis (Section 8.1).
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Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis Before the new optical drive can be used, the release latch must be attached. 1. Peel the backing off the adhesive on the release latch. 2. 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.
5. Lift the left lever again 1 and pull the front panel assembly straight out of the chassis 2. To reinstall the front panel assembly, reverse the removal procedure. Service Reference Guide, dc7700 Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis (Section 8.1).
Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis 8.6 Front Bezel 1. Prepare the computer for disassembly 2. Remove the computer access panel 3. Remove the optical drive 4. Disconnect the fan and speaker cables from the system board.
To install the fan assembly, reverse the removal procedures, making sure that the fan cable is located near the top of the assembly nearest the center of the front panel assembly. Service Reference Guide, dc7700 Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis (Section 8.1).
Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis 8.8 Speaker 1. Prepare the computer for disassembly 2. Remove the computer access panel 3. Remove the optical drive 4. Disconnect the fan and speaker cables from the system board. 5. Remove the front panel assembly 6.
CAUTION: Always pull the connector - NEVER pull on the cable. Pulling on the cable could damage the Ä cable and result in a failed power supply. Service Reference Guide, dc7700 Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis 433612-001 8–1 1...
Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis 8.9.1 Cable Connections All cable connectors on the system board are color-coded for ease of installation. System Board Connections System Board Connector Optical data/power Heatsink fan Chassis fan Front LED/Power button...
A memory module can be installed in only one way. Match the notch on the module with the tab on the memory socket. 4. Repeat step 3 for any additional modules that you want to install. Service Reference Guide, dc7700 Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis Section 5.2, “Electrostatic Discharge Information” (Section 8.1).
Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis ✎ The computer automatically recognizes the additional memory when the computer is turned on. To reassemble the computer, reverse the removal procedure. 8.1 1 Expansion Card Cage The computer supports two different expansion card cages: ■...
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. Service Reference Guide, dc7700 Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis (Section 8.1).
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Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis 7. For a PCI Express expansion card, lay the card cage on its edge and hold it firmly in place. Pull the retention arm on the back if the PCI Express expansion socket away from the card and carefully rock it back and forth until the connectors pull free from the card cage.
Complete the assembly by locking the expansion card in place and reinstalling the expansion card cage. Service Reference Guide, dc7700 Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis (Section 8.1). (Section 8.3).
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. CAUTION: To prevent loss of work and damage to the computer or drive: Ä...
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To install a drive, reverse the removal procedure. CAUTION: When installing the hard drive, ensure that cable are not cut or pinched. Ä Service Reference Guide, dc7700 Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis 433612-001 (Section 8.9). 8–19...
Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis 8.15 Front I/O Device 1. Prepare the computer for disassembly 2. Remove the computer access panel 3. Remove the optical drive 4. Remove the front panel assembly 5. Disconnect the three front I/O, fan, and speaker cables from the system board.
4. Secure the heatsink to the system board and system board tray with the 4 captive screws and attach the heatsink control cable and the thermal sensor cable to the system board. Service Reference Guide, dc7700 Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis (Section 8.1).
Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis CAUTION: Heatsink retaining screws should be tightened in diagonally opposite pairs (as in an X) to Ä evenly seat the heatsink on the processor. This is especially important as the pins on the socket are very fragile and any damage to them may require replacing the system board.
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BIOS is being used on the computer. The latest system BIOS can be http://h18000.www1.hp.com/support/files found on the Web at: Service Reference Guide, dc7700 Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis 433612-001 8–23...
Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis 8.18 Power Supply Å 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.
When installing the system board make sure that the board is pressed firmly against the floor of the chassis to allow the keys to lock into the keyhole slots on the system board. Service Reference Guide, dc7700 Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis (Section 8.1).
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. Ä...
5. Plug in the computer and turn on power to the computer. 6. Reset the date and time, your passwords, and any special system setups, using Computer Setup. Refer to the Computer Setup (F10) Utility Guide. Service Reference Guide, dc7700 Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis 433612-001 8–27...
Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis 8.20.2 Type 2 Battery Holder 1. To release the battery from its holder, squeeze the metal clamp 1 that extends above one edge of the battery. When the battery pops up, lift it out.
4. Plug in the computer and turn on power to the computer. 5. Reset the date and time, your passwords, and any special system setups, using Computer Setup. Refer to the Computer Setup (F10) Utility Guide. Service Reference Guide, dc7700 Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis 433612-001 8–29...
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Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis 8–30 433612-001 Service Reference Guide, dc7700...
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 Mouse Connector and Icon Ethernet BNC Connector and Icon Service Reference Guide, dc7700 Connector Pin Assignments Signal Data...
Connector Pin Assignments Ethernet RJ-45 Connector and Icon Ethernet AUI Signal Ground Negative AUI Differential Collision Positive AUI Differential Collision Negative AUI Differential Transmit Positive AUI Differential Transmit Ground Ground Negative AUI Differential Receive Parallel Interface Signal Strobe Data Bit 0 Data Bit 1 Data Bit 2 Data Bit 3...
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Serial Interface, Powered and Non-Powered Connector and Icon Connector and Icon Microphone Connector and Icon (1/8” miniphone) 1 2 3 1 2 3 Headphone Connector and Icon (1/8” miniphone) 1 2 3 Line-In Audio Connector and Icon (1/8” miniphone) 1 2 3 Service Reference Guide, dc7700 Signal Carrier Detect (12V if powered)
Connector Pin Assignments Line-Out Audio Connector and Icon (1/8” miniphone) 1 2 3 External Infrared Transceiver Signal Transmit Receive Ground Monitor Signal Red Analog Green Analog Blue Analog Not used Ground A–4 Signal 1 (Tip) Audio_Out_Left 2 (Ring) Audio_Out_Right 3 (Shield) Ground Connector and Icon Signal...
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ATA/ATAPI (IDE) Standard Drive Cable Signal Reset Ground DD10 DD1 1 DD12 DD13 CD-ROM 50-Pin Connector Signal Audio L-ch Audio R-ch Audio GND RESET- DD10 DD1 1 Service Reference Guide, dc7700 Connector Signal DD14 DD15 Ground (Key) DMARQ Ground DIOW Ground DIOR Ground...
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Connector Pin Assignments 24-Pin Power (CMT and MT models) Signal +3.3 V +3.3 V +5 V +5 V 24-Pin MicroFit Power (USDT, SFF, and ST models) Signal +5 Vaux +5 V +5 V PS_ON 4-Pin Power (for CPU) (MT and CMT models) Connector and Icon A–6 Connector...
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6-Pin Power (for CPU) (USDT, SFF, and ST models) Connector and Icon SATA Data and Power Signal Ground V 3.3 Ground V 12 *S = Data, P = Power Service Reference Guide, dc7700 Signal 12 V CPU 12 V CPU +12 V Drive Connector Signal...
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Connector Pin Assignments PCI Express x1, x4, x8, and x16 PCI Express Connector Pin A Signal Signal PRSNT1# JTAG3 +12V JTAG4 +12V JTAG5 +3.3v JTAG2 +3.3v PERn(2) RSVD RSVD PERp3 PERn3 PERp4 PERp9 PERp8 PERn9 PERn8 PERp10 PERp14 PERn15 PERn14 PERp15 Pin B information is on the next page Notes:...
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.
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Power Cord Set Requirements Country-Specific Requirements Additional requirements specific to a country are shown in parentheses and explained below. Country Australia (1) Austria (1) Belgium (1) Canada (2) Denmark (1) Finland (1) France (1) Germany (1) 1. The flexible cord must be <HAR> Type HO5VV-F, 3-conductor, 0.75mm Power cord set fittings (appliance coupler and wall plug) must bear the certification mark of the agency responsible for evaluation in the country where it will be used.
POST Error Messages An error message results if the Power-On Self-Test (POST) encounters a problem. This test runs when the system is turned on, checking assemblies within the computer and reporting any errors found. Not all computers use all of the codes listed. POST Error Messages Screen Message 101-Option ROM...
Windows utilities. 2. Make sure memory module(s) are installed properly. 3. If third party memory has been added, test using HP-only memory. 4. Verify proper memory module type. RAM failure. 1. Run Computer Setup (F10 Setup) or Windows utilities.
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POST Error Messages (Continued) Screen Message 219-ECC Memory Module Detected. ECC Modules not supported on this platform 301-Keyboard Error 303-Keyboard Controller Error 304-Keyboard or System Unit Error 404-Parallel Port Address Conflict Detected 410-Audio Interrupt Conflict 41 1-Network Interface Card Interrupt Conflict 501-Display Adapter Failure 510-Flash Screen image...
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POST Error Messages POST Error Messages (Continued) Screen Message 51 1-CPU, CPUA, or CPUB Fan not detected 512-Chassis, rear chassis, or front chassis fan not detected 514-CPU or Chassis Fan not detected. 601-Diskette Controller Error 605-Diskette Drive Type Error 610-External Storage Device Failure 61 1-Primary Floppy Port Address Assignment...
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POST Error Messages (Continued) Screen Message 918-Front USB Not Connected 921-Device in PCI Express slot failed to initialize. 1 151-Serial Port A Address Conflict Detected 1 152-Serial Port B Address Conflict Detected 1 155-Serial Port Address Conflict Detected 1201-System Audio Address Conflict Detected 1202-MIDI Port Address...
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Protection System test under error message.) Storage > DPS Self-test. 2. Apply firmware patch if applicable (available at www.hp.com/support). 3. Back up contents and replace hard drive. One or more SATA Ensure SATA connectors are used in devices are improperly ascending order.
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POST Error Messages (Continued) Screen Message 2201-MEBx Module did not checksum correctly 2202-PMM Deallocation Error during MEBx cleanup 2203-Setup error during MEBx execution 2204-Inventory error during MEBx execution Service Reference Guide, dc7700 Probable Cause Memory error during 1. Reboot the computer. POST execution of the 2.
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SP5572.EXE (SNZERO.EXE). 2. Run Computer Setup and try to enter serial number under Security, System ID, then save changes.
POST Diagnostic Front Panel LEDs and Audible Codes This section covers the front panel LED codes as well as the audible codes that may occur before or during POST that do not necessarily have an error code or text message associated with them. WARNING: When the computer is plugged into an AC power source, voltage is always applied to the Å...
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DIMM module. 1. Reseat DIMMs. 2. Replace DIMMs one at a time to isolate the faulty module. 3. Replace third-party memory with HP memory. 4. Replace the system board. 433612-001 Service Reference Guide, dc7700...
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1. Reflash the ROM with the latest BIOS based on bad image. See the “Boot Block checksum. Emergency Recovery Mode” section of the Desktop Management Guide on the Documentation and Diagnostics 2. Replace the system board. 433612-001 POST Error Messages...
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POST Error Messages POST Diagnostic Front Panel LEDs and Audible Codes (Continued) Activity Beeps Red Power LED flashes nine times, once every second, followed by a two second pause. Beeps stop after fifth iteration but LEDs continue until problem is solved.
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POST Diagnostic Front Panel LEDs and Audible Codes (Continued) Activity Beeps System does not None power on and LEDs are not flashing. Service Reference Guide, dc7700 Possible Cause Recommended Action System unable to Press and hold the power button for less power on.
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POST Error Messages C–14 433612-001 Service Reference Guide, dc7700...
Troubleshooting Without Diagnostics Preliminary Checklist This section describes some simple, preliminary tests and guidelines for troubleshooting the computer without using the diagnostics. ■ Are the computer and monitor connected to a working electrical outlet? ■ Is the voltage select switch is set to the appropriate voltage for your region (115V or 230V)? ■...
Troubleshooting Without Diagnostics Solving Minor Problems Solving Minor Problems Problem Computer appears locked up and will not turn off when the power button is pressed. Computer will not respond to USB keyboard or mouse. Computer date and time display is incorrect. Computer appears to pause periodically.
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Solving Minor Problems (Continued) Problem Cannot remove computer cover or access panel. Poor performance is experienced. Service Reference Guide, dc7700 Cause Possible Solution Smart Cover Lock, 1. Unlock the Smart Cover Lock featured on some using Computer Setup. computers, is locked. 2.
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Troubleshooting Without Diagnostics Solving Minor Problems (Continued) Problem Computer powered off automatically and the Power LED flashes Red two times, once every second, followed by a two second pause, and the computer beeps two times. Beeps continue for five iterations after which the LED flashes will continue until the problem is resolved.
Solving Power Supply Problems Solving Power Supply Problems Problem Power supply shuts down intermittently. Computer powered off automatically and the Power LED flashes Red two times, once every second, followed by a two second pause, and the computer beeps two times. Beeps continue for five iterations after which the LED flashes will continue until the...
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Troubleshooting Without Diagnostics Solving Power Supply Problems (Continued) Problem Power LED flashes Red, four times, once every second, followed by a two second pause, and the computer beeps four times. Beeps continue for five iterations after which the LED flashes will continue until the problem is resolved.
Solving Diskette Problems Solving Diskette Problems Problem Diskette drive light stays on. Drive not found. Diskette drive cannot write to a diskette. Cannot format diskette. Service Reference Guide, dc7700 Cause Solution Diskette is damaged. In Microsoft Windows XP, right-click Start, click Explore, and select a drive.
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Troubleshooting Without Diagnostics Solving Diskette Problems (Continued) Problem Cannot format diskette. (continued) A problem has occurred with a disk transaction. Diskette drive cannot read a diskette. “Invalid system disk” message is displayed. Cannot Boot to Diskette. D–8 Cause Solution Legacy diskette writes Enter Computer Setup and enable are disabled in Legacy Diskette Write in...
Solving Hard Drive Problems Solving Hard Drive Problems Problem Hard drive error occurs. Disk transaction problem. Drive not found (identified). Nonsystem disk/NTLDR missing message Service Reference Guide, dc7700 Cause Solution Hard disk has bad Use a utility to locate and block sectors or has failed.
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Troubleshooting Without Diagnostics Solving Hard Drive Problems (Continued) Problem Nonsystem disk/NTLDR missing message (continued) Computer will not boot from hard drive. D–10 Cause Solution System is trying to start 1. Insert a bootable diskette into from the hard drive, but the diskette drive and restart the the hard drive may have computer.
Solving Hard Drive Problems (Continued) Problem Computer will not boot from hard drive. (continued) Computer seems to be locked up. Solving Media Card Reader Problems Solving Media Card Reader Problems Problem Media card will not work in a digital camera after formatting it in Microsoft Windows XP.
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PCI media card reader to an available card, which is not USB connector on the computer’s supported on the HP system board. If no connector is Desktop BIOS. available, plug the bootable device into a different USB port on the computer.
Solving Display Problems Solving Display Problems Problem Blank screen (no video). Service Reference Guide, dc7700 Cause Solution Monitor is not turned on Turn on the monitor and check that and monitor light is not the monitor light is on. Bad monitor. Try a different monitor.
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1. Reseat DIMMs. Power on the system. 2. Replace DIMMs one at a time to isolate the faulty module. 3. Replace third-party memory with HP memory. 4. Replace the system board. Pre-video graphics For systems with a graphics card: error.
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Solving Display Problems (Continued) Problem Blank screen and the power LED flashes Red seven times, once every second, followed by a two second pause, and the computer beeps seven times. Beeps continue for five iterations after which the LED flashes will continue until the problem is resolved.
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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 1. Reseat the graphics card. seated properly or is 2. Replace the graphics card. bad.
Solving Display Problems (Continued) Problem Certain typed symbols do not appear correct. Solving Audio Problems Solving Audio Problems Problem Sound cuts in and out. Sound does not come out of the speaker or headphones. Service Reference Guide, dc7700 Cause Solution The font you are using Use the Character Map to locate the does not support that...
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Troubleshooting Without Diagnostics Solving Audio Problems (Continued) Problem Sound does not come out of the speaker or headphones. (continued) Sound from headphones is not clear or muffled. D–18 Cause Solution External speakers See the sound card documentation plugged into the wrong for proper speaker connection.
Solving Audio Problems (Continued) Problem Computer appears to be locked up while recording audio. Solving Printer Problems Solving Printer Problems Problem Printer will not print. Printer will not turn on. Printer prints garbled information. Printer is offline. Service Reference Guide, dc7700 Cause Solution The hard disk may be...
Cursor will not move using the arrow keys on the keypad. D–20 Cause Solution Keyboard connector 1. On the Windows Desktop, click Start. is not properly connected. 2. Click Shut Down. The Shut Down Windows dialog box is displayed. 3. Select Shut down.
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Solving Keyboard and Mouse Problems (Continued) Problem Mouse does not respond to movement or is too slow. Mouse will only move vertically or horizontally, or movement is jerky. Service Reference Guide, dc7700 Cause Solution 1. Press Ctrl and Esc at the same Mouse connector is not properly plugged time (or press the Windows...
Troubleshooting Without Diagnostics Solving Hardware Installation Problems You may need to reconfigure the computer when you add or remove hardware, such as an additional diskette drive. If you install a plug and play device, Windows XP automatically recognizes the 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.
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✎ DIMM 1 must always be installed. 3. Replace third-party memory with HP memory. 4. Replace the system board. Graphics card is not For systems with a graphics card: seated properly or is 1. Reseat the graphics card. Power bad, or system board is on the system.
Troubleshooting Without Diagnostics Solving Network Problems These guidelines do not discuss the process of debugging the network cabling. Solving Network Problems Problem Wake-on-LAN feature is not functioning. Network driver does not detect network controller. Network status link light never flashes. ✎...
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Solving Network Problems (Continued) Problem Diagnostics reports a failure. Diagnostics passes, but the computer does not communicate with the network. Network controller stopped working when an expansion board was added to the computer. Network controller stops working without apparent cause. Service Reference Guide, dc7700 Cause Solution...
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Troubleshooting Without Diagnostics Solving Network Problems (Continued) Problem Network controller stops working without apparent cause. (continued) New network card will not boot. Cannot connect to network server when attempting Remote System Installation. System setup utility reports unprogrammed EEPROM. D–26 Cause Solution The network controller is Replace the system board.
DIMM module. For those systems that support ECC memory, HP does not support mixing ECC and non-ECC memory. Otherwise, the system will not boot the operating system.
2. Replace DIMMs one at a time to isolate the faulty module. 3. Replace third-party memory with HP memory. 4. Replace the system board. Cause Solution Processor is hot. 1. Make sure the airflow to the computer is not blocked.
Solving CD-ROM and DVD Problems Solving CD-ROM and DVD Problems Problem System will not boot from CD-ROM or DVD drive. Drive not found (identified). CD-ROM or DVD devices are not detected or driver is not loaded. Service Reference Guide, dc7700 Cause Solution The device is attached...
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Troubleshooting Without Diagnostics Solving CD-ROM and DVD Problems (Continued) Problem Movie will not play in the DVD drive. Cannot eject compact disc (tray-load unit). CD-ROM, CD-RW, DVD-ROM, or DVD-R/RW drive cannot read a disc or takes too long to start. Recording audio CDs is difficult or impossible.
Solving Drive Key Problems Solving Drive Key Problems Problem Drive Key is not seen as a drive letter in Windows XP. USB Drive Key not found (identified). System will not boot from USB Drive Key. The computer boots to DOS after making a bootable Drive Key.
Troubleshooting Without Diagnostics Solving Front Panel Component Problems Solving Front Panel Component Problems Problem A USB device, headphone, or microphone is not recognized by the computer. D–32 Cause Solution It is not properly 1. Turn off the computer. connected. 2. Reconnect the device to the front of the computer and restart the computer.
Solving Internet Access Problems Solving Internet Access Problems Problem Unable to connect to the Internet. Cannot automatically launch Internet programs. Service Reference Guide, dc7700 Cause Solution Internet Service Provider Verify Internet settings or contact the (ISP) account is not set ISP for assistance.
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Troubleshooting Without Diagnostics Solving Internet Access Problems (Continued) Problem Internet takes too long to download Web sites. D–34 Cause Solution Modem is not set up Verify that the correct modem speed properly. and COM port are selected. For Windows XP 1.
If you have installed an operating system other than the factory-installed operating system, check to be sure it is supported on the system. Solving Software Problems Problem Computer will not continue and no HP logo screen has appeared. Computer will not continue after HP logo screen has appeared.
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Troubleshooting Without Diagnostics D–36 433612-001 Service Reference Guide, dc7700...
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System Board and Riser Board Reference These reference designators are used on most but not all HP system and riser boards. Designator CR35 E49/JP49 J1 1 J20 - 29 J31 - J35 Service Reference Guide, dc7700 Component Battery socket/Battery LED - 5V_Aux (on)
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System Board and Riser Board Reference Designators Designator Component (Continued) Stacked mouse (Top)/keyboard (Bottom) connector Video connector, VGA Primary single USB connector Secondary single USB port Microphone jack Line-in jack Line-out jack Headphone jack Volume control Double-stacked headphone (Bottom)/microphone (Top) connector Double-stacked line-in (Top)/line-out (Bottom) connector Stacked serial/audio connector Primary double-stack USB, Top = Port 2, Bottom = Port 1...
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Designator Component (Continued) Header for front panel audio Header for front panel USB Internal USB connector 1 Internal USB connector 2 MultiBay header SCSI LED connector PCI extender slot (female) Blade PC graphics connector (outboard) Blade PC graphics connector (inboard) Second serial port Primary serial port Double stack serial port, Top = Serial B, Bottom = Serial A...
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System Board and Riser Board Reference Designators Designator Component (Continued) Clock chip 64 bit Bridge LOM1 U1 1 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...
The dx7300 and dc7700 series computers with Intel-based processors come with double data rate 2 synchronous dynamic random access memory (DDR2-SDRAM) dual inline memory modules (DIMMs). Ä CAUTION: DDR and DDR2 memory modules are not interchangeable. DDR2-SDRAM DIMMs The memory sockets on the system board can be populated with up to four industry-standard DIMMs.
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Memory The system board shown may differ from the one in your product. Item The system will automatically operate in single channel mode, dual channel mode, or flex mode, depending on how the DIMMs are installed. ■ The system will operate in single channel mode if the DIMM sockets are populated in one channel only.
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4-pin power pin assignments A–6 24-pin MicroFit power pin assignments A–6 24-pin power pin assignments A–6 6-pin power pin assignments A–7 access panel CMT removal and replacement 6–5 USDT removal and replacement 8–4 Active Management Technology 3–7 adding devices 1–1 Altiris, Deployment Solution Agent 3–2 asset tracking 3–16 ATA/ATAPI (IDE) drive cable pin assignments...
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Index cable lock removal and replacement 6–4 cable management 6–9 chassis fan removal and replacement 6–36 chassis, illustrated 5–1 desktop to minitower conversion 6–39 disassembly preparation 6–1 diskette drive bezel removal and replacement 6–8 diskette drive removal and replacement 6–25 drive positions 6–19...
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USDT removal and replacement 8–21 hood sensor CMT removal and replacement 6–3 SFF removal and replacement 7–4 HP Backup and Recovery Manager 1–2 HP Client Foundation Suite 3–5 HP Client Manager 3–4 HP Client Premium Suite 3–5 HP Insight Diagnostics 2–14 HP OpenView Client Configuration Manager 3–6...
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problems, solving audio D–17 CD-ROM and DVD drives D–29 diskette D–7 display D–13 drive key D–31 front panel components D–32 hard drive D–9 hardware installation D–22 Internet access D–33 keyboard D–20 media card reader D–11 memory D–27 mouse D–20 network D–24 optical drives D–29 power supply D–5 printer D–19...
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5–8 SDRAM (synchronous dynamic random access memory) F–1 security CMT 6–4 DriveLock 3–22 fingerprint identification technology 3–26 HP ProtectTools Security Manager 3–5 password 3–19 SFF 7–5 USDT 8–3 security features overview 3–17 serial interface pin assignments A–3 service considerations 5–7...
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Boot Block Emergency Recovery Mode 3–10 Computer Setup Utilities 2–1 Drive Protection System 3–26 Fault Notification and Recovery 3–26 HP Backup and Recovery Manager 1–2 HP Client Foundation Suite 3–5 HP Client Manger 3–4 HP Client Premium Suite 3–5 HP Insight Diagnostics 2–14 HP OpenView Client Configuration Manager 3–6...
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Index ventilation, proper 5–5 Wake-on-LAN feature D–24 Web sites HP Client Foundation Suite 3–5 HP Client Management Premium Suite 3–5 HP Client Manager 3–5 HP OpenView Client Configuration Manager 3–6 HP OpenView Management Suite 3–6 HP ProtectTools Security Manager 3–5 HPQFlash 3–10...