Page 1 Service Reference Guide HP Compaq Business Desktop dc5100 Series 1ST Edition Document Part Number: 376220-001 1st Edition, January 2005 This document provides information on the removal and replacement of all parts as well as information on troubleshooting, Desktop Management, setup utilities, SATA and PATA drives, safety, routine care, connector pin assignments, POST error messages, and diagnostic indicator lights.
Page 2 HP, Hewlett Packard, and the Hewlett-Packard logo are trademarks of Hewlett-Packard Company in the U.S. and other countries. Compaq and the Compaq logo are trademarks of Hewlett-Packard Development Company, L.P. in the U.S. and other countries. Microsoft, MS-DOS, Windows, and Windows NT are trademarks of Microsoft Corporation in the U.S. and other countries.
Page 3: Table Of Contents
Contents Contents 1 Installing the Operating System 1.1 Installing or Upgrading Device Drivers ......... . . 1–1 1.2 Transferring Files and Settings .
Page 4 Contents 3.4 Asset Tracking and Security ........... 3–13 3.4.1 Password Security .
Page 5 Contents 5.4.2 Cleaning the Computer Case ..........5–6 5.4.3 Cleaning the Keyboard .
Page 6 Contents 7 Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.1 Preparation for Disassembly ........... . 7–1 7.2 Unlocking the Smart Cover Lock .
Page 7: Installing The Operating System
Installing the Operating System Ä CAUTION: Do not add optional hardware or third-party devices to your computer until the operating system is successfully installed. Doing so may cause errors and may prevent the operating system from installing properly. Ä CAUTION: Once the automatic installation has begun, DO NOT TURN OFF THE COMPUTER UNTIL THE PROCESS IS COMPLETE.
Page 8: Transferring Files And Settings
Installing the Operating System Transferring Files and Settings Use the Microsoft Windows XP Files and Settings Transfer Wizard to move files and settings from an old computer to a new one. Click Start > All Programs > Accessories > System Tools >...
Page 9 Installing the Operating System ■ Software Support Management tools Certain drivers and utilities are available only in selected languages. You can obtain the latest version of these files, in English and selected other languages, in one of three ways: ■ Support Software CD ■...
Page 10 Installing the Operating System 1–4 376220-001 Service Reference Guide, dc5100...
Page 11: Setup Utilities And Diagnostics Features
Setup Utilities and Diagnostics Features Setup Utilities (F10) and diagnostic features provide information needed about the computer system when contacting Customer Support. These tools can also be used to: ■ Change factory default settings and to set or change the system configuration, which may be necessary when you add or remove hardware.
Page 12: Computer Setup Utilities
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.
Page 13: Using Computer Setup (F10) Utilities
Setup Utilities and Diagnostics Features 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.
Page 14: Computer Setup Menu
Setup Utilities and Diagnostics Features 2.2.2 Computer Setup Menu Heading Option Description File System Information Lists: • Product name • Processor type/speed/stepping • Cache size (L1/L2) • Installed memory size/speed, number of channels (single or dual) (if applicable) • Integrated MAC address for embedded, enabled NIC (if applicable) •...
Page 15 Setup Utilities and Diagnostics Features Heading Option Description Storage Device Lists all installed BIOS-controlled storage devices. Configuration When a device is selected, detailed information and options are displayed. The following options may be presented. Diskette Type Identifies the highest capacity media type accepted by the diskette drive.
Page 16 Setup Utilities and Diagnostics Features Heading Option Description Storage Device Translation Parameters (ATA disks only) (continued) Configuration ✎ This feature appears only when User translation mode is selected. (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.
Page 17 Setup Utilities and Diagnostics Features Heading Option Description Storage Storage Options Secondary SATA Controller (continued) (continued) Allows you to enable or disable the Secondary SATA controller. This feature is supported on some models. DPS Self-Test Allows you to execute self-tests on ATA hard drives capable of performing the Drive Protection System (DPS) self-tests.
Page 18 Setup Utilities and Diagnostics Features Heading Option Description Security Smart Cover Allows you to: (continued) • Lock/unlock the Cover Lock. • Set the Cover Removal Sensor to Disable/Notify User/Setup Password. ✎ Notify User alerts the user that the sensor has detected that the cover has been removed.
Page 19 Setup Utilities and Diagnostics Features Heading Option Description Security DriveLock Security Allows you to assign or modify a master or user password for MultiBay hard drives. When this feature is enabled, the user is (continued) prompted to provide one of the DriveLock passwords during POST. If neither is successfully entered, the hard drive will remain inaccessible until one of the passwords is successfully provided during a subsequent cold-boot sequence.
Page 20 Setup Utilities and Diagnostics Features Heading Option Description Power OS Power • Runtime Power Management - Enable/Disable. Allows certain Management operating systems to reduce processor voltage and frequency when the current software load does not require the full capabilities of the processor. •...
Page 21 Setup Utilities and Diagnostics Features Heading Option Description Advanced* Power-On Options Allows you to set: *For • POST mode (QuickBoot, FullBoot, or FullBoot every 1-30 days). advanced • POST messages (enable/disable). users only • F9 prompt (enable/disable). Enabling this feature will display the text F9=Boot Menu during POST.
Page 22 Setup Utilities and Diagnostics Features Heading Option Description Advanced* Power-On Options Allows you to set: (continued) (continued) (continued) • ACPI/USB Buffers @ Top of Memory (enable/disable). *For Enabling this feature places USB memory buffers at the top advanced of memory. The advantage is that some amount of memory users only below 1 MB is freed up for use by option ROMs.
Page 23 Setup Utilities and Diagnostics Features Heading Option Description Advanced* Device options Allows you to set: (continued) • Printer mode (bi-directional, EPP & ECP, output only). *For • Num Lock state at power-on (off/on). advanced • S5 Wake on LAN (enable/disable). users only •...
Page 24: Diagnostics For Windows
Setup Utilities and Diagnostics Features 2.3 Diagnostics for Windows The Diagnostics for Windows (DFW) utility is a component of HP Client Management Solutions that allows you to view information about the hardware and software configuration of the computer while running Microsoft Windows (Microsoft Windows 2000 and Microsoft Windows XP).
Page 25: Detecting Diagnostics For Windows
Setup Utilities and Diagnostics Features 2.3.1 Detecting Diagnostics for Windows Some computers ship with the Diagnostics for Windows preloaded, but not preinstalled. To determine whether Diagnostics for Windows is installed: 1. Access the location of the Diagnostics icons: ❏ In Windows 2000 Professional, select Start > Settings > Control Panel. ❏...
Page 26: Using Categories In Diagnostics For Windows
Setup Utilities and Diagnostics Features 2.3.3 Using Categories in Diagnostics for Windows To use categories: 1. Click Start > HP Information Center > Diagnostics for Windows. You can also select the Diagnostics for Windows icon, located in the Control Panel. The screen displays the overview of the computer hardware and software.
Page 27: Running Diagnostic Tests In Diagnostics For Windows
Setup Utilities and Diagnostics Features ❏ Resources—IRQ, I/O, and Memory Map ❏ Health—Status of system temperature and hard drives ❏ Miscellaneous—CMOS, DMI, BIOS, System, Product Name, and Serial Number ■ Navigation—Previous Category ( ), Next Category ( ■ Level—Less ( ), More ( ) <information on the screen>...
Page 28: Configuration Record
Setup Utilities and Diagnostics Features 4. Select Interactive Mode or Unattended Mode. In Interactive Mode, the diagnostic software will prompt you for input during tests that require it. Some tests require interaction and will display errors or halt testing if selected in conjunction with Unattended Mode. ❏...
Page 29: Installing Configuration Record
Setup Utilities and Diagnostics Features 2.4.1 Installing Configuration Record The Configuration Record is part of Diagnostics for Windows and is automatically installed at the same time as Diagnostics for Windows. 2.4.2 Running Configuration Record To run this program: 1. Click Start > HP Information Center > Configuration Record. Alternately, you can access Diagnostics for Windows via the control panel.
Page 30 Setup Utilities and Diagnostics Features 2–20 376220-001 Service Reference Guide, dc5100...
Page 31: Desktop Management
Desktop Management HP Client Management Solutions provides standards-based solutions for managing and controlling desktops, workstations, and notebook PCs in a networked environment. The key capabilities and features of desktop management are: ■ Initial configuration and deployment ■ Remote system installation ■...
Page 32: Remote System Installation
Desktop Management 3.2 Remote System Installation Remote System Installation allows you to start and set up your system using the software and configuration information located on a network server by initiating the Preboot Execution Environment (PXE). The Remote System Installation feature is usually used as a system setup and configuration tool, and can be used for the following tasks: ■...
Page 33: Altiris Client Management Solutions
Desktop Management 3.3.2 Altiris Client Management Solutions HP and Altiris have partnered to provide comprehensive, tightly integrated systems management solutions to reduce the cost of owning HP client PCs. HP Client Manager Software is the foundation for additional Altiris Client Management Solutions that address: ■...
Page 34: Proactive Change Notification (Pcn)
Desktop Management 3.3.4 Proactive Change Notification (PCN) The Proactive Change Notification program uses the Subscriber's Choice Web site in order to proactively and automatically: ■ Send you Proactive Change Notification (PCN) e-mails informing you of hardware and software changes to most commercial computers and servers, up to 60 days in advance. ■...
Page 35: Hpqflash
Desktop Management 3.3.8 HPQFlash The HPQFlash utility is used to locally update or restore the system ROM on individual PCs through a Windows operating system. http://www.hp.com/support/files For more information on HPQFlash, visit and enter the name of the computer when prompted. 3.3.9 FailSafe Boot Block ROM The FailSafe Boot Block ROM allows for system recovery in the unlikely event of a ROM flash failure, for example, if a power failure were to occur during a ROM upgrade.
Page 36: 10Replicating The Setup
Desktop Management The following table lists the various keyboard light combinations used by the Boot Block ROM (when a PS/2 keyboard is attached to the computer), and explains the meaning and action associated with each combination. Keyboard Light Combinations Used by Boot Block ROM Failsafe Boot Keyboard Keyboard...
Page 37: Copying To Multiple Computers
Desktop Management 6. Select File > Replicated Setup > Save to Removable Media. Follow the instructions on the screen to create the configuration diskette or USB flash media device. 7. Turn off the computer to be configured and insert the configuration diskette or USB flash media device.
Page 38: Creating A Bootable Device
❏ HP Compaq Business Desktop dc7100 series ❏ HP Compaq Business Desktop dx6100 series ❏ HP Compaq Business Desktop d530 Series - Ultra-Slim Desktop, Small Form Factor, or Convertible Minitower ❏ Compaq Evo D510 Ultra-slim Desktop ❏ Compaq Evo D510 Convertible Minitower/Small Form Factor Depending on the individual BIOS, future systems may also support booting to a USB flash media device.
Page 39 Desktop Management ❏ 256MB HP Drive Key ❏ 256MB DiskOnKey ■ A bootable DOS diskette with the FDISK and SYS programs. If SYS is not available, FORMAT may be used, but all existing files on the USB flash media device will be lost. 1.
Page 40: Unsupported Usb Flash Media Device
❏ HP Compaq Business Desktop dc7100 series ❏ HP Compaq Business Desktop dx6100 series ❏ HP Compaq Business Desktop d530 Series—Ultra-Slim Desktop, Small Form Factor, or Convertible Minitower ❏ Compaq Evo D510 Ultra-Slim Desktop ❏ Compaq Evo D510 Convertible Minitower/Small Form Factor Depending on the individual BIOS, future systems may also support booting to a USB flash media device.
Page 41 Desktop Management 5. As soon as the computer is turned on, press and hold the key until you enter Computer Enter Setup. Press to bypass the title screen, if necessary. ✎ If you do not press the key at the appropriate time, you must restart the computer and press and hold the key again to access the utility.
Page 42: 11Dual-State Power Button
Desktop Management 3.3.11 Dual-State Power Button With Advanced Configuration and Power Interface (ACPI) enabled, the power button can function either as an on/off switch or as a suspend button. The suspend feature does not completely turn off power, but instead causes the computer to enter a low-power standby. This allows you to power down quickly without closing applications and to return quickly to the same operational state without any data loss.
Page 43: Asset Tracking And Security
Desktop Management 3.4 Asset Tracking and Security Asset tracking features incorporated into the computer provide key asset tracking data that can be managed using HP Insight Manager, HP Client Manager or other system management applications. Seamless, automatic integration between asset tracking features and these products enables you to choose the management tool that is best suited to your environment and to leverage your investment in existing tools.
Page 44 Desktop Management Computer Setup Utilities (F10) Security Features (Continued) Feature Description Pre-Boot Authorization Allows you to enable/disable the Smart Card to be used in place of the Power-On Password. Smart Cover Allows you to: • Enable/disable the Cover Lock. • Enable/disable the Cover Removal Sensor. ✎...
Page 45 Desktop Management Computer Setup Utilities (F10) Security Features (Continued) Feature Description DriveLock Allows you to assign or modify a master or user password for MultiBay hard drives (not supported on SCSI hard drives). When this feature is enabled, the user is prompted to provide one of the DriveLock passwords during POST.
Page 46 Desktop Management Computer Setup Utilities (F10) Security Features (Continued) Feature Description Save Master Boot Record Saves a backup copy of the Master Boot Record of the current bootable disk. Only appears if MBR Security is enabled. Restore Master Boot Record Restores the backup Master Boot Record to the current bootable disk.
Page 47: Password Security
Desktop Management 3.4.1 Password Security The power-on password prevents unauthorized use of the computer by requiring entry of a password to access applications or data each time the computer is turned on or restarted. The setup password specifically prevents unauthorized access to Computer Setup, and can also be used as an override to the power-on password.
Page 48: Entering A Setup Password
Desktop Management Entering a Power-On Password To enter a power-on password, complete the following steps: 1. Turn on or restart the computer. If you are in Windows, click Start > Shut Down > Restart. Enter. 2. When the key icon appears on the monitor, type your current password, then press ✎...
Page 49: Deleting A Power-On Or Setup Password
Desktop Management 3. When the key icon appears, type the current password, a slash (/) or alternate delimiter character, the new password, another slash (/) or alternate delimiter character, and the new password again as shown: current password/new password/new password ✎...
Page 50: Drivelock
Desktop Management National Keyboard Delimiter Characters Each keyboard is designed to meet country-specific requirements. The syntax and keys that you use for changing or deleting your password depend on the keyboard that came with your computer. National Keyboard Delimiter Characters Arabic Greek Russian...
Page 51: Using Drivelock
Desktop Management Using DriveLock The DriveLock option appears under the Security menu in Computer Setup. The user is presented with options to set the master password or to enable DriveLock. A user password must be provided in order to enable DriveLock. Since the initial configuration of DriveLock is typically performed by a system administrator, a master password should be set first.
Page 52: Smart Cover Sensor
Desktop Management 3.4.5 Smart Cover Sensor Cover Removal Sensor, available on select models, is a combination of hardware and software technology that can alert you when the computer cover or side panel has been removed. There are three levels of protection, as described in the following table. Smart Cover Sensor Protection Levels Level Setting...
Page 53: Locking The Smart Cover Lock
Desktop Management Locking the Smart Cover Lock To activate and lock the Smart Cover Lock, complete the following steps: 1. Turn on or restart the computer. If you are in Windows, click Start > Shut Down > Restart. 2. As soon as the computer is turned on, press and hold the key until you enter Computer Enter Setup.
Page 54: Master Boot Record Security
Desktop Management 3.4.6 Master Boot Record Security The Master Boot Record (MBR) contains information needed to successfully boot from a disk and to access the data stored on the disk. Master Boot Record Security may prevent unintentional or malicious changes to the MBR, such as those caused by some computer viruses or by the incorrect use of certain disk utilities.
Page 55: Before You Partition Or Format The Current Bootable Disk
Desktop Management You must know the setup password, if one exists. In the unlikely event that the previously saved MBR has been corrupted, the following message is displayed: 1998—Master Boot Record has been lost. Press any key to enter Setup to configure MBR Security. Upon entering Computer Setup, you must ■...
Page 56: Fault Notification And Recovery
Desktop Management 3.5 Fault Notification and Recovery Fault Notification and Recovery features combine innovative hardware and software technology to prevent the loss of critical data and minimize unplanned downtime. If the computer is connected to a network managed by HP Client Manager, the computer sends a fault notice to the network management application.
Page 57: Serial And Parallel Ata Drive Guidelines And Features
Serial and Parallel ATA Drive Guidelines and Features Serial and Parallel ATA Drive Guidelines and Features ✎ Serial ATA = SATA Parallel ATA = PATA HP does not support the use of PATA (IDE) hard drives when SATA hard drives are installed on the computer.
Page 58: Ata Cables
Serial and Parallel ATA Drive Guidelines and Features 4.2 ATA Cables 4.2.1 SATA Data Cable The SATA data cable is a thin, 7-pin cable designed to transmit data for only a single drive. As shown in the table, each cable has 3 grounds, and 4 transmit/receive pins. SATA data cables are susceptible to damage if overflexed.
Page 59: Pata Data Cable
Serial and Parallel ATA Drive Guidelines and Features 4.2.3 PATA Data Cable 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...
Page 60: Pata Cable Layout
Serial and Parallel ATA Drive Guidelines and Features 4.2.5 PATA Cable Layout The faces of industry-standard cable connectors are color-coded for easy recognition: ■ System board connector = blue face ■ Device 0 connector = black face ■ Device 1 connector = gray face ✎...
Page 61: Pata Drive Installation Guidelines
Serial and Parallel ATA Drive Guidelines and Features 4.3 PATA Drive Installation Guidelines Most computer system boards have two or fewer Parallel ATA (PATA) channels with a dedicated connector for each channel. When two channels are present, one is designated as the Primary and the other as the Secondary Channel.
Page 62: Pata Attach Sequence Rules By Class Priority
Serial and Parallel ATA Drive Guidelines and Features 4.3.2 PATA Attach Sequence Rules by Class Priority Drives should be attached in the sequence shown for optimum performance starting at position 1. Primary Channel* Secondary Channel Device 1 Device 0 *If there are three or more devices, two or more of which are hard drives, two hard drives should be attached to the primary channel first before following the General Attach Sequence Rule.
Page 63: Pata Attach Sequence Worksheet
Serial and Parallel ATA Drive Guidelines and Features 4.3.3 PATA Attach Sequence Worksheet Use the worksheet below for obtaining optimum system performance when setting up a computer with multiple drives. Use the General Attach Sequence Rule to determine the best drive installation sequence.
Page 64 Serial and Parallel ATA Drive Guidelines and Features Example 1: Three-Device Installation Sample A system has three devices: Ultra ATA-100 hard drive, CD-ROM drive, and a DVD drive. Using the Device Class Table in Section 4.3.1, the devices may be identified as: ■...
Page 65: Pata Additional Drive Application Notes
Serial and Parallel ATA Drive Guidelines and Features Example 2: Four-Device Installation Sample A system has four devices: two Ultra ATA-100 hard drives, one DVD-CDR/W drive, and a ZIP-250 drive. Using the Device Class Table in Section 4.3.1, the devices may be reidentified as: ■...
Page 66: Ata Smart Drives
Serial and Parallel ATA Drive Guidelines and Features 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.
Page 67: Sata Bios
Serial and Parallel ATA Drive Guidelines and Features 4.6 SATA BIOS Windows 2000 and XP Windows 9x, NT, and Linux Enhanced Mode (default BIOS Setting) Compatibility Mode (non-default BIOS Setting) —Separate IDE controller —Combined IDE controller • PATA Controller in Legacy Mode •...
Page 68: Mixed Devices Boot And Drive Letter Ordering
Serial and Parallel ATA Drive Guidelines and Features 4.7 Mixed Devices Boot and Drive Letter Ordering HDD Boot and Drive SATA Emulation* Hard Drive Order Letter Ordering Separate IDE Controller A. Integrated SATA A1. SATA 0 (default). Used with Windows B.
Page 69: Identifying The Chassis, Routine Care, And Disassembly Preparation
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. Ä...
Page 70: Small Form Factor (Sff)
Identifying the Chassis, Routine Care, and Disassembly Preparation 5.1.2 Small Form Factor (SFF) 5–2 376220-001 Service Reference Guide, dc5100...
Page 71: Electrostatic Discharge Information
Identifying the Chassis, Routine Care, and Disassembly Preparation 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.
Page 72: Personal Grounding Methods And Equipment
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.
Page 73: Operating Guidelines
Identifying the Chassis, Routine Care, and Disassembly Preparation ■ Static awareness labels ■ Wrist straps and footwear straps providing one-megohm +/- 10% resistance ■ Material handling packages ■ Conductive plastic bags ■ Conductive plastic tubes ■ Conductive tote boxes ■ Opaque shielding bags ■...
Page 74: Cleaning The Computer Case
Identifying the Chassis, Routine Care, and Disassembly Preparation 5. Disconnect the keyboard before cleaning it. 6. Wear safety glasses equipped with side shields when cleaning the keyboard. 5.4.2 Cleaning the Computer Case Follow all safety precautions in Section 5.4.1 before cleaning the computer. To clean the computer case, follow the procedures described below: ■...
Page 75: Cleaning The Monitor
Flat-bladed screwdriver (may sometimes be used in place of the Torx screwdriver) ■ Phillips #0 screwdriver ■ Phillips #2 screwdriver ■ Diagnostics software ■ Compaq tamper-resistant T-15 wrench (Smart Cover FailSafe Key, PN 166527-001) or Compaq tamper-resistant bits (Smart Cover FailSafe Key, PN 166527-002) Service Reference Guide, dc5100 376220-001 5–7...
Page 76: Screws
Identifying the Chassis, Routine Care, and Disassembly Preparation 5.5.3 Screws The screws used in the computer are not interchangeable. They may have standard or metric threads and may be of different lengths. If an incorrect screw is used during the reassembly process, it can damage the unit.
Page 77: Lithium Coin Cell Battery
Identifying the Chassis, Routine Care, and Disassembly Preparation 5.5.6 Lithium Coin Cell Battery The battery that comes with the computer provides power to the real-time clock and has a lifetime of about three years. See the appropriate removal and replacement chapter for the chassis you are working on in this guide for instructions on the replacement procedures.
Page 78 Identifying the Chassis, Routine Care, and Disassembly Preparation 5–10 376220-001 Service Reference Guide, dc5100...
Page 79: Removal And Replacement Procedures-Microtower (Mt) Chassis
Removal and Replacement Procedures— Microtower (MT) 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. ✎...
Page 80: External Security Devices
Removal and Replacement Procedures— Microtower (MT) Chassis 6.2 External Security Devices 6.2.1 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. 6.2.2 Installing a Padlock A padlock may be used by itself to secure the access panel to the computer chassis.
Page 81: Access Panel
Removal and Replacement Procedures— Microtower (MT) Chassis 6.3 Access Panel 1. Prepare the computer for disassembly (Chapter 6, “Removal and Replacement Procedures— Microtower (MT) Chassis”). 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.
Page 82: Front Bezel
Removal and Replacement Procedures— Microtower (MT) Chassis 6.4 Front Bezel 1. Prepare the computer for disassembly (Section 6.1, “Preparation for Disassembly”). 2. Remove the access panel (Section 6.3, “Access Panel”). 3. To remove the front bezel, press in on the two bottom tabs on the left side of the bezel 1 so that they release from the chassis.
Page 83 Removal and Replacement Procedures— Microtower (MT) Chassis To reinstall the front bezel, 1. Position the chassis in the upright position. 2. Insert the two hooks on the right side of the bezel 1 into the rectangular holes on the chassis then rotate the bezel into place 2 so that the three tabs on the left side of the bezel and the single tab on the upper right corner of the bezel snap into the slots on the chassis.
Page 84: Front Drive Bezels
Removal and Replacement Procedures— Microtower (MT) Chassis 6.5 Front Drive Bezels 1. Prepare the computer for disassembly (Section 6.1, “Preparation for Disassembly”). 2. Remove the access panel (Section 6.3, “Access Panel”). 3. Remove the front bezel (Section 6.4, “Front Bezel”). 6.5.1 5.25"...
Page 85: Diskette Drive Bezel
Removal and Replacement Procedures— Microtower (MT) Chassis 6.5.2 Diskette Drive Bezel Press the two upper 1 or the two lower 2 tabs for the diskette drive bezel towards the center of the drive bezel and push the bezel out to remove it from the front bezel. To install a bezel or a bezel blank, reverse the removal procedure.
Page 86: Memory Modules
Removal and Replacement Procedures— Microtower (MT) Chassis 6.6 Memory Modules 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.
Page 87: Expansion Cards
Removal and Replacement Procedures— Microtower (MT) Chassis 6.7 Expansion Cards 6.7.1 Expansion Slot Cover 1. Prepare the computer for disassembly (Section 6.1, “Preparation for Disassembly”). 2. Remove the access panel and rotate the computer so the system board is parallel to the table to make it easier to work on (Section 6.3, “Access Panel”).
Page 88: Pci Expansion Card
Removal and Replacement Procedures— Microtower (MT) Chassis 6.7.2 PCI Expansion Card For preliminary steps, see Section 6.7.1, “Expansion Slot Cover.” If replacing a standard PCI expansion card, go to step 1. If installing any PCI expansion card for the first time in a computer, skip to step 4. 1.
Page 89 Removal and Replacement Procedures— Microtower (MT) Chassis 5. When installing an expansion card, hold the card just above the expansion slot on the system board then move the card toward the rear of the chassis so that the bracket on the card is aligned with the open slot on the rear of the chassis 1.
Page 90: Cable Management
Removal and Replacement Procedures— Microtower (MT) Chassis 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.
Page 91: Cable Connections
Removal and Replacement Procedures— Microtower (MT) Chassis 6.8.1 Cable Connections Cable Cable Designator Power Supply System board Power Supply 1st SATA Hard drive Power Supply System board Power Supply 1st Optical drive Power Supply 2nd Optical drive Power Supply 2nd SATA Hard drive Power Supply DIskette drive Cable...
Page 92: Drives
CAUTION: 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 CD to load the Compaq factory-installed files. 6.9.1 Drive Positions...
Page 93: Removing A Drive
Removal and Replacement Procedures— Microtower (MT) Chassis 6.9.2 Removing a Drive 1. Prepare the computer for disassembly (Section 6.1, “Preparation for Disassembly”). 2. Remove the access panel and rotate the computer so the system board is parallel to the table to make it easier to work on (Section 6.3, “Access Panel”).
Page 94: Releasing The Drives
Removal and Replacement Procedures— Microtower (MT) Chassis Disconnecting Hard Drive Cables ✎ Some products use straight cable connectors while others use right angle connectors. Releasing the Drives 5. A latch drive bracket with release tabs secures the drives in the drive bay. Lift the release tab on the latch drive bracket 1 for the drive you want to remove, then slide the drive from its drive bay 2.
Page 95: Installing A Drive
Removal and Replacement Procedures— Microtower (MT) Chassis 6.9.3 Installing a Drive Ä 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 96 Removal and Replacement Procedures— Microtower (MT) Chassis 3. Reconnect the power and data cables to the drive as shown in the following illustrations. ✎ Refer to Section 4.1, “SATA and PATA Device Information”for information on attaching the cabling to get optimum performance. Connecting Optical Drive Cables Connecting Diskette Drive Cables 6–18...
Page 97 Removal and Replacement Procedures— Microtower (MT) Chassis Connecting Hard Drive Cables ✎ Some products use straight cable connectors while others use right angle connectors. 4. Install the front bezel (Section 6.4, “Front Bezel”). 5. Install the access panel (Section 6.3, “Access Panel”).
Page 98: Chassis Fan
Removal and Replacement Procedures— Microtower (MT) Chassis 6.10 Chassis Fan 1. Prepare the computer for disassembly (Section 6.1, “Preparation for Disassembly”). 2. Remove the access panel and rotate the computer so the system board is parallel to the table to make it easier to work on (Section 6.3, “Access Panel”).
Page 99: Front I/O Panel Housing Assembly
Removal and Replacement Procedures— Microtower (MT) Chassis 6.11 Front I/O Panel Housing Assembly 1. Prepare the computer for disassembly (Section 6.1, “Preparation for Disassembly”). 2. Remove the access panel and rotate the computer so the system board is parallel to the table to make it easier to work on (Section 6.3, “Access Panel”).
Page 100: Front I/O Devices
Removal and Replacement Procedures— Microtower (MT) Chassis 6.12 Front I/O Devices 1. Prepare the computer for disassembly (Section 6.1, “Preparation for Disassembly”). 2. Remove the access panel and rotate the computer so the system board is parallel to the table to make it easier to work on (Section 6.3, “Access Panel”).
Page 101: Power Switch Assembly
Removal and Replacement Procedures— Microtower (MT) Chassis 6.13 Power Switch Assembly 1. Prepare the computer for disassembly (Section 6.1, “Preparation for Disassembly”). 2. Remove the access panel and rotate the computer so the system board is parallel to the table to make it easier to work on (Section 6.3, “Access Panel”).
Page 102: Heatsink
Removal and Replacement Procedures— Microtower (MT) Chassis 6.14 Heatsink 1. Prepare the computer for disassembly (Section 6.1, “Preparation for Disassembly”). 2. Remove the access panel and rotate the computer so the system board is parallel to the table to make it easier to work on (Section 6.3, “Access Panel”).
Page 103: Processor
Removal and Replacement Procedures— Microtower (MT) Chassis 6.15 Processor 1. Prepare the computer for disassembly (Section 6.1, “Preparation for Disassembly”). 2. Remove the computer cover (Section 6.3, “Access Panel”). 3. Disconnect the heatsink control cable from the system board and remove the heatsink. Section 6.14, “Heatsink”...
Page 104 Removal and Replacement Procedures— Microtower (MT) Chassis 5. Go to step 7. 6. If using a new heatsink, remove the protective covering from the bottom of the heatsink and place it in position atop the processor. 7. Secure the heatsink to the system board and system board tray with the 4 captive screws and attach the heatsink control cable to the system board.
Page 105: System Board
Removal and Replacement Procedures— Microtower (MT) Chassis 6.16 System Board 1. Prepare the computer for disassembly (Section 6.1, “Preparation for Disassembly”). 2. Remove the access panel and rotate the computer so the system board is parallel to the table to make it easier to work on (Section 6.3, “Access Panel”).
Page 106: 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/Compaq, their authorized partners, or their agents. Ä...
Page 107: 1Type 1 Battery Holder
Removal and Replacement Procedures— Microtower (MT) 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.
Page 108: 2Type 2 Battery Holder
Removal and Replacement Procedures— Microtower (MT) Chassis 6.17.2 Type 2 Battery Holder 1. To release the battery from its holder, squeeze the metal clamp that extends above one edge of the battery 1. When the battery pops up, lift it out. 2.
Page 109: 3Type 3 Battery Holder
Removal and Replacement Procedures— Microtower (MT) Chassis 6.17.3 Type 3 Battery Holder 1. To release the battery from its holder, press back lever 1 that extends above one edge of the battery. 2. When the battery pops up, lift it out 2. 3.
Page 110: Speaker
Removal and Replacement Procedures— Microtower (MT) Chassis 6.18 Speaker 1. Prepare the computer for disassembly (Section 6.1, “Preparation for Disassembly”). 2. Remove the access panel and rotate the computer so the system board is parallel to the table to make it easier to work on (Section 6.3, “Access Panel”).
Page 111: Power Supply
Removal and Replacement Procedures— Microtower (MT) Chassis 6.19 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.
Page 112 Removal and Replacement Procedures— Microtower (MT) Chassis 5. Pull the power supply towards the front of the chassis while depressing the two sets of retaining clips 1 to allow the power supply to move far enough to lift it from the chassis 2. To install the power supply, reverse the removal procedure.
Page 113: 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. ✎...
Page 114: Unlocking The Smart Cover Lock
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 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 Library CD for more information about the Smart Cover Lock.
Page 115 Removal and Replacement Procedures— Small Form Factor (SFF) Chassis To reattach the Smart Cover Lock, position the lock with the tamper-proof screw. Service Reference Guide, dc5100 376220-001 7–3...
Page 116: External Security Devices
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis External Security Devices 7.3.1 Security Clip A special clip is required to secure the computer from intrusion. This clip must be installed before installing the computer cover. 7.3.2 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.
Page 117: Padlock
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.3.3 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. 7.3.4 Universal Chassis Clamp Lock Without Security Cable 1.
Page 118 Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 2. Screw the lock to the chassis using the screw provided. 3. Insert the plug into the lock 1 and push the button in 2 to engage the lock. Use the key provided to disengage the lock.
Page 119: With Security Cable
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis With Security Cable 1. Fasten the cable by looping it around a stationary object. Service Reference Guide, dc5100 376220-001 7–7...
Page 120 Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 2. Thread the keyboard and mouse cables through the lock. 3. Screw the lock to the chassis using the screw provided. 7–8 376220-001 Service Reference Guide, dc5100...
Page 121 Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 4. 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. Service Reference Guide, dc5100 376220-001 7–9...
Page 122: Computer Cover
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis Computer Cover 1. Prepare the computer for disassembly (Section 7.1, “Preparation 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.
Page 123: Front Drive Bezels
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis Front Drive Bezels 1. Prepare the computer for disassembly (Section 7.1, “Preparation for Disassembly”). 2. Remove the computer cover (Section 7.4, “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.
Page 124 Removal and Replacement Procedures— Small Form Factor (SFF) Chassis There are three drive bezel inserts that are available. Item Description Diskette drive bezel Hard drive bezel 3.5” drive bezel 7–12 376220-001 Service Reference Guide, dc5100...
Page 125: Cable Management
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis Cable Management The Slim Tower 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.
Page 126 Removal and Replacement Procedures— Small Form Factor (SFF) Chassis When removing the power supply power cables from the P1 or P3 connectors on the system board, always follow these steps: 1. Squeeze on the top of the retaining latch attached to the cable end of the connector 1. 2.
Page 127: Cable Connections
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.6.1 Cable Connections Cable Cable Designator Power Supply System board Power Supply 1st SATA Hard drive Power Supply System board (12V) Power Supply Optical drive Power Supply Diskette drive Power Supply 2nd SATA Hard drive Cable PCA Designator...
Page 128: Memory
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.
Page 129 Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 6. Repeat steps 4 and 5 for any additional modules that you want to install. ✎ The computer automatically recognizes the additional memory when the computer is turned on. To reassemble the computer, reverse the removal procedure. ✎...
Page 130: Expansion Card
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis Expansion Card 7.8.1 Expansion Card Retainer 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.
Page 131: Pci Expansion Card
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.8.2 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.
Page 132 Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 9. 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. 10.
Page 133: Drives
CAUTION: 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 Compaq factory-installed files. 7.9.1 Drive Positions...
Page 134: Optical Drive
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.9.2 Optical Drive Ä CAUTION: All removable media should be taken out of the drives before removing the drive from the computer. ✎ An optical drive is a CD-ROM, CD-R/RW, DVD-ROM, DVD+R/RW, or CD-RW/DVD Combo drive.
Page 135 Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 6. Disconnect the power and data cables from the rear of the optical drive. 7. Slide the optical drive forward and lift it up and out of the drive cage. ✎ If the drive will not slide out of the cage, the cage is not fully extended.
Page 136: External 3.5-Inch Drive
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.9.3 External 3.5-inch Drive 1. If you have locked the Smart Cover Lock, use Computer Setup to unlock the lock. Refer to Section 7.2, “Unlocking the Smart Cover Lock”. 2. Prepare the computer for disassembly. Refer to Section 7.1, “Preparation for Disassembly”.
Page 137: Primary Hard Drive
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.9.4 Primary Hard Drive 1. If you have locked the Smart Cover Lock, use Computer Setup to unlock the lock (Section 7.2, “Unlocking the Smart Cover Lock”). 2. Prepare the computer for disassembly (Section 7.1, “Preparation for Disassembly”).
Page 138 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. 7–26 376220-001 Service Reference Guide, dc5100...
Page 139 Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7. Disconnect the power cable 1 and data cable 2 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.
Page 140 Removal and Replacement Procedures— Small Form Factor (SFF) Chassis ✎ When replacing the hard drive, transfer the four screws from the old drive to the new one. The screws take the place of drive rails. You will need a Torx T-15 screwdriver to remove and re-install the guide screws.
Page 141: Fan Shroud
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.10 Fan Shroud 1. Prepare the computer for disassembly (Section 7.1, “Preparation for Disassembly”). 2. Remove the computer cover (Section 7.4, “Computer Cover”). 3. Lift up on the fan shroud to remove it from the computer. When replacing the shroud, make sure that it does not get caught on the wires from either the fan or the speaker.
Page 142: Front I/O Devices
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.11 Front I/O Devices 1. Prepare the computer for disassembly (Section 7.1, “Preparation for Disassembly”). 2. Remove the computer cover (Section 7.4, “Computer Cover”). 3. Disconnect the two I/O device cables from the system board: the front USB cable pair and the front audio cable.
Page 143 Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7. Remove the SATA cable from the front and side retaining clips. 8. Push the empty drive cage back into its locked position. Ä CAUTION: Make sure the flat ribbon cables are folded down and the SATA and power cables are pushed out of the way to prevent their being damaged when the drive cage is pushed into the locked position.
Page 144 Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 9. Remove the two screws that secure the front I/O device 1 then, push the I/O device towards the back of the chassis 2. 10. Pull the drive cage forward, grasp the I/O device and carefully pull it from under the drive cage 3.
Page 145 Removal and Replacement Procedures— Small Form Factor (SFF) Chassis Follow these procedures for reinstalling the front I/O device. 1. Begin with the drive cage in its fully extended position. Guide the I/O device cables under the drive cage and through the legs of the drive cage support 1. It may be necessary to use a wooden pencil to help in this task.
Page 146: Power Switch Assembly
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.12 Power Switch Assembly 1. Prepare the computer for disassembly (Section 7.1, “Preparation for Disassembly”). 2. Remove the computer cover (Section 7.4, “Computer Cover”). 3. Disconnect the power switch/LED cable from the system board. 4.
Page 147: Heatsink
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.13 Heatsink 1. Prepare the computer for disassembly (Section 7.1, “Preparation for Disassembly”). 2. Remove the computer cover (Section 7.4, “Computer Cover”). 3. Remove the fan shroud. Refer to Section 7.10, “Fan Shroud”.
Page 148: Processor
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.14 Processor 1. Prepare the computer for disassembly (Section 7.1, “Preparation for Disassembly”). 2. Remove the computer cover (Section 7.4, “Computer Cover”). 3. Remove the fan shroud. Section 7.10, “Fan Shroud”. 4.
Page 149 Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 3. If reusing the existing heatsink, clean the bottom of the heatsink with the alcohol pad provided in the spares kit. Ä 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 speaker spares kit.
Page 150: Speaker
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.15 Speaker 1. Prepare the computer for disassembly (Section 7.1, “Preparation for Disassembly”). 2. Remove the computer cover (Section 7.4, “Computer Cover”). 3. Remove the fan shroud. Section 7.10, “Fan Shroud” 4.
Page 151: Power Supply
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.16 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.
Page 152 Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 8. Lift the power supply up and out of the chassis. To install the power supply, reverse the removal procedure. Ä CAUTION: When installing the power supply cables, make sure they are properly positioned so they are not cut by the drive cage and are not pinched by the rotating power supply.
Page 153: System Board
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.17 System Board 1. Prepare the computer for disassembly (Section 7.1, “Preparation for Disassembly”). 2. Remove the computer cover (Section 7.4, “Computer Cover”). 3. Remove all PCI and PCI Express expansion boards (Section 7.8, “Expansion Card”).
Page 154 Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7. Rotate the power supply to its upright position. 8. Disconnect the serial port from the system board 9. Disconnect the balance of the cables from the system board. . 7–42 376220-001 Service Reference Guide, dc5100...
Page 155 Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 10. Remove the long mounting screw that secures the system board tray to the chassis. ✎ The heatsink has been removed from the drawing below for clarity. The heatsink should not be removed until the system board has been removed from the chassis.
Page 156 Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 11. Slide the system board tray assembly towards the front of the chassis, about 1/4 inch and lift the system board up and out of the chassis. 12. Remove the heatsink from the system board and the system board tray (Section 7.13, “Heatsink”).
Page 157 Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 2. Install the processor. Ä CAUTION: Before reinstalling a previously used heatsink you must clean the top of the processor and the bottom of the heatsink with the alcohol pad supplied in the spares kit. After the alcohol has evaporated, apply thermal grease to the top of the processor using the syringe supplied in the spares kit.
Page 158: Chassis Fan
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.18 Chassis Fan 1. Prepare the computer for disassembly (Section 7.1, “Preparation for Disassembly”). 2. Remove the computer cover (Section 7.4, “Computer Cover”). 3. Remove the fan shroud (Section 7.10, “Fan Shroud”). 4.
Page 159: 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/Compaq, their authorized partners, or their agents. Ä...
Page 160: 1Type 1 Battery Holder
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.19.1 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.
Page 161: Type 2 Battery Holder
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.19.2 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 1. 2.
Page 162: Type 3 Battery Holder
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.19.3 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. ✎...
Page 163: Connector Pin Assignments
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...
Page 164: Ethernet Aui
Connector Pin Assignments 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...
Page 165: Parallel Interface
Connector Pin Assignments Parallel Interface Connector and Icon Signal Signal Signal Strobe Data Bit 5 Select Data Bit 0 Data Bit 6 Auto Linefeed Data Bit 1 Data Bit 7 Error Data Bit 2 Acknowledge Initialize Printer Data Bit 3 Busy Select IN Data Bit 4...
Page 166 Connector Pin Assignments Headphone Connector and Icon (1/8” miniphone) Signal 1 (Tip) Audio_Left 1 2 3 2 (Ring) Audio_Right 3 (Shield) Ground Line-In Audio Connector and Icon (1/8” miniphone) Signal 1 (Tip) Audio_In_Left 1 2 3 2 (Ring) Audio_In_Right 3 (Shield) Ground Line-Out Audio Connector and Icon (1/8”...
Page 167 Connector Pin Assignments Ultra SCSI Connector and Icon Signal Signal Signal Signal 1-11 Ground Reserved RST # Reserved TERMPWR MSG # Open Reserved SEL # Reserved Ground 15-25 Ground ATN # REQ # Ground Input/Output Ground BSY # Ground ACK # External Infrared Transceiver Connector and Icon Signal...
Page 168 Connector Pin Assignments 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 MultiBay CD-ROM Adapter Connector...
Page 169 Connector Pin Assignments 24-Pin Power Connector Signal Signal Signal Signal +3.3 V +3.3 V +3.3 V -12 V open +5 Vaux +5 V +5 V +12 V PSON +5 V +12 V +5 V +5 V +3.3 V 24-Pin MicroFit Power Connector Signal Signal...
Page 170 Connector Pin Assignments 6-Pin Power Connector and Icon Signal 12 V CPU 12 V CPU +12 V SATA Data and Power Drive Connector Signal Signal Signal Signal Ground Ground Ground V 3.3 V 3.3 V 3.3 Ground Ground Ground Ground Reserved Ground V 12...
Page 171 Connector Pin Assignments PCI Express x1, x4, x8, and x16 PCI Express Connector Pin A Signal Signal Signal Signal Signal PRSNT1# JTAG3 PERST# PERp0 PERp1 +12V JTAG4 PERn0 PERn1 +12V JTAG5 REFCLK+ +3.3v REFCLK- RSVD JTAG2 +3.3v PERp2 PERn(2) PERn4 RSVD PERp7 RSVD...
Page 172 Connector Pin Assignments PCI Express x1, x4, x8, and x16 PCI Express Connector Pin B Signal Signal Signal Signal Signal +12V SMDAT WAKE# +12V RSVD PRSNT2# RSVD +3.3v PETp2 JTAG1 PETp0 PETp1 PETn2 SMCLK 3.3vAux PETn0 PETn1 PRSNT2# PETp6 PETn7 PETp3 PETp5 PRTn6...
Page 173: General Requirements
Power Cord Set Requirements The voltage select switch feature on the computer permits it to operate from any line voltage between 100-120 or 220-240 volts AC. The power cord set received with the computer meets the requirements for use in the country where you purchased the equipment.
Page 174 Country-Specific Requirements Additional requirements specific to a country are shown in parentheses and explained below. Accrediting Accrediting Country Agency Country Agency Australia (1) EANSW Italy (1) Japan (3) METI Austria (1) Belgium (1) CEBC Norway (1) NEMKO Canada (2) Sweden (1) SEMKO Denmark (1) DEMKO...
Page 175: Post Error Messages
POST Error Messages 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 Probable Cause...
Page 176 POST Error Messages Screen Message Probable Cause Recommended Action 163-Time & Date Not Invalid time or date in Set the date and time under Control configuration memory. Panel or in F10 Setup depending on the operating system. RTC (real-time clock) battery may need to be If the problem persists, replace the RTC replaced.
Page 177 POST Error Messages Screen Message Probable Cause Recommended Action 301-Keyboard Error Keyboard failure. Reconnect keyboard with computer turned off. Check connector for bent or missing pins. Ensure that none of the keys are depressed. Replace keyboard. 303-Keyboard I/O board keyboard Reconnect keyboard with computer Controller Error controller.
Page 178 POST Error Messages Screen Message Probable Cause Recommended Action 605-Diskette Drive Type Mismatch in drive type. Run Computer Setup (F10 Setup). Error Disconnect any other diskette controller devices (tape drives). Clear CMOS. 912-Computer Cover No action required. Has Been Removed Since Last System Start 917-Front Audio not Front audio harness has...
Page 179 POST Error Messages Screen Message Probable Cause Recommended Action 1785-MultiBay (for integrated MultiBay/ Ensure the MultiBay device is fully incorrectly installed USDT systems) inserted. (continued) MultiBay device not Ensure the MultiBay riser is properly properly seated. seated. MultiBay riser not properly seated.
Page 180 POST Error Messages Screen Message Probable Cause Recommended Action 2000-Master Boot The current bootable hard Run Computer Setup and either disable Record Hard Drive has drive is not the same as MBR security or save the MBR of the Changed. the one that was present current bootable disk.
Page 181: Post Diagnostic Front Panel Leds And Audible Codes
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. ✎...
Page 182 Possible Activity Beeps Cause Recommended Action Red Power LED Processor not Check to see that the processor is present. flashes three times, installed (not an Reseat the processor. once every indicator of bad second, followed processor). by a two second pause.
Page 183 Possible Activity Beeps Cause Recommended Action Red Power LED Pre-video For systems with a graphics card: flashes six times, graphics error. Reseat the graphics card. Power on the once every system. second, followed Replace the graphics card. by a two second Replace the system board.
Page 184 Possible Activity Beeps Cause Recommended Action Red Power LED System powers Check that the voltage selector, located flashes nine times, on but is unable on the rear of the power supply (some once every to boot. models), is set to the appropriate voltage. second, followed Proper voltage setting depends on your by a two second...
Page 185: Preliminary Checklist
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)? ■...
Page 186: Solving Minor Problems
Solving Minor Problems Solving Minor Problems Problem Cause Possible Solution Computer appears Software control of the 1. Press and hold the power button locked up and will not power switch is not for at least four seconds until the turn off when the power functional.
Page 187 Solving Minor Problems (Continued) Problem Cause Possible Solution Poor performance is Program previously Restart the computer. experienced. accessed did not release (continued) reserved memory back to the system Virus resident of the hard Run virus protection program. drive. Too many applications Close unnecessary applications.
Page 188 Solving Minor Problems (Continued) Problem Cause Possible Solution System does not power System unable to power Press and hold the power button for on and the LEDs on the less than 4 seconds. If the hard drive front of the computer LED turns green, then: are not flashing.
Page 189: Solving Power Supply Problems
Solving Power Supply Problems Solving Power Supply Problems Problem Cause Solution Power supply shuts down Voltage selector switch Select the proper AC voltage. intermittently. on rear of computer chassis not switched to correct line voltage. Power supply fault. Replace the power supply. Computer powered off Processor thermal 1.
Page 190: Solving Diskette Problems
Solving Diskette Problems Solving Diskette Problems Problem Cause Solution Diskette drive light stays on. Diskette is damaged. In Microsoft Windows XP, right-click Start, click Explore, and select a drive. Select File > Properties > Tools. Under Error-checking, click Check Now. Diskette is incorrectly Remove diskette and reinsert.
Page 191 Solving Diskette Problems (Continued) Problem Cause Solution Cannot format diskette. Diskette is Use another diskette or remove the (continued) write-protected. write protection. Diskette write control is Use Computer Setup to check the enabled. storage security feature disabled settings. A problem has occurred The directory structure is In Windows XP, right-click Start, with a disk transaction.
Page 192: Solving Hard Drive Problems
Solving Hard Drive Problems Solving Hard Drive Problems Problem Cause Solution Hard drive error occurs. Hard disk has bad Use a utility to locate and block sectors or has failed. usage of bad sectors. If necessary, reformat the hard disk. In Windows XP, right-click Start, click Explore, and select a drive.
Page 193 Solving Hard Drive Problems (Continued) Problem Cause Solution Nonsystem disk/NTLDR System is trying to start 1. Insert a bootable diskette into missing message. from a damaged hard the diskette drive and restart the (continued) drive. computer. 2. Check hard drive format using fdisk: If NTFS formatting, use a third party reader to evaluate the...
Page 194: Solving Multibay Problems
Solving Hard Drive Problems (Continued) Problem Cause Solution Parallel ATA (PATA) hard Using the wrong cable Reinstall the second Ultra ATA hard drive does not perform for the drive type. drive using an 80-conductor cable optimally. (standard on select models.) Both slow and fast Connect slower UATA devices to a UATA devices are on...
Page 195: Solving Display Problems
Solving Display Problems Problem Cause Solution Blank screen (no video). The cable connections Check the cable connections from are not correct. the monitor to the computer and to the electrical outlet. Screen blanking utility Press any key or click the mouse installed or energy button and, if set, type your saver features enabled.
Page 196 Problem Cause Solution Blank screen and the Pre-video memory error. 1. Reseat DIMMs. Power on the power LED flashes Red five system. times, once every second, 2. Replace DIMMs one at a time to followed by a two second isolate the faulty module. pause, and the computer 3.
Page 197 Problem Cause Solution Monitor is not capable Change requested resolution. of displaying requested resolution. Graphics card is bad. Replace the graphics card. The picture is broken up, The monitor connections 1. Be sure the monitor cable is rolls, jitters, or flashes. may be incomplete or securely connected to the the monitor may be...
Page 198 Problem Cause Solution Certain typed symbols do The font you are using Use the Character Map to locate the not appear correct. does not support that and select the appropriate symbol. particular symbol. Click Start > All Programs > Accessories > System Tools > Character Map.
Page 199: Solving Audio Problems
Solving Audio Problems Solving Audio Problems Problem Cause Solution Sound does not come Software volume control Double-click the Speaker icon on out of the speaker or is turned down. the taskbar and use the volume headphones. slider to adjust the volume. The external speakers Turn on the external speakers.
Page 200 Solving Audio Problems (Continued) Problem Cause Solution Ä CAUTION: When attempting to resume from standby mode, do not hold down the power button for more than four seconds. Otherwise, the computer will shut down and any unsaved data will be lost. Noise or no sound comes 1.
Page 201: Solving Printer Problems
Solving Printer Problems Solving Printer Problems Problem Cause Solution Printer will not print. Printer is not turned on Turn the printer on and make sure it and online. is online. The correct printer 1. Install the correct printer driver driver for the for the application.
Page 202: Solving Keyboard And Mouse Problems
Solving Keyboard and Mouse Problems Solving Keyboard and Mouse Problems Problem Cause Solution Keyboard commands and Keyboard connector 1. Turn off the computer. typing are not recognized is not properly 2. Reconnect the keyboard to the by the computer. connected. back of the computer and restart the computer.
Page 203 Solving Keyboard and Mouse Problems Problem Cause Solution Mouse does not respond to Computer is in Press the power button to resume movement or is too slow. standby mode. from standby mode. (continued) Input is coming from a 1. Ensure that the mouse batteries nearby wireless mouse.
Page 204: Solving Hardware Installation Problems
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 2000 and Windows XP automatically recognize the device and configure the computer. If you install a non–plug and play device, you must reconfigure the computer after completing installation of the new hardware.
Page 205 Solving Hardware Installation Problems (Continued) Problem Cause Solution Power LED flashes Red five Memory is installed 1. Reseat DIMMs. times, once every second, incorrectly or is bad. 2. Replace DIMMs one at a time to followed by a two second isolate the faulty module.
Page 206: Solving Network Problems
Solving Network Problems These guidelines do not discuss the process of debugging the network cabling. Solving Network Problems Problem Cause Solution Wake-on-LAN feature is Wake-on-LAN is not Use the Network control application not functioning. enabled. to enable Wake-on-LAN. Network driver does Network controller is Run Computer Setup and enable not detect network...
Page 207 Solving Network Problems (Continued) Problem Cause Solution Diagnostics passes, but Network drivers are 1. Make sure the network drivers the computer does not not loaded, or driver are loaded and that the driver communicate with the parameters do not match parameters match the network.
Page 208: Solving Memory Problems
Solving Memory Problems Ä CAUTION: 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. Solving Memory Problems Problem Cause Solution System will not boot or Memory module is not Replace module with the correct does not function properly...
Page 209: Solving Processor Problems
Solving Processor Problems Solving Processor Problems Problem Cause Solution Poor performance is Processor is hot. 1. Make sure the airflow to the experienced. computer is not blocked. 2. Make sure the fans are connected and working properly (some fans only operate when needed).
Page 210: Solving Cd-Rom And Dvd Problems
Solving CD-ROM and DVD Problems Solving CD-ROM and DVD Problems Problem Cause Solution System will not boot from Removable Media Boot Run the Computer Setup utility and CD-ROM or DVD drive. is not enabled through enable booting to removable media the Computer Setup and verify boot order settings.
Page 211: Solving Drive Key Problems
Solving CD-ROM and DVD Problems (Continued) Problem Cause Solution CD or DVD disc is dirty. Clean CD or DVD with a CD cleaning kit. Windows does not 1. Use Device Manager to remove detect the CD-ROM or or uninstall the device in DVD-ROM drive.
Page 212: Solving Internet Access Problems
Solving Front Panel Component Problems Problem Cause Solution A USB device, headphone, The correct device 1. Install the correct driver for the or microphone is not driver is not installed. device. recognized by the 2. You might need to reboot the workstation.
Page 213 Solving Internet Access Problems (Continued) Problem Cause Solution Unable to connect to the Cookies are corrupted. Windows XP Internet. (continued) 1. Select Start > Control Panel. 2. Double-click Internet Options. 3. On the General tab, click the Delete Cookies button. Cannot automatically You must log on to the Log on to the ISP and launch the...
Page 214 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. ✎...
Page 215 Diagnostic Front Panel LEDs and Audible Codes (Continued) Activity Beeps Possible Cause Recommended Action Red Power LED Processor not 1. Check to see that the processor is flashes three times, installed (not an present. once every second, indicator of bad 2.
Page 216 Diagnostic Front Panel LEDs and Audible Codes (Continued) Activity Beeps Possible Cause Recommended Action Red Power LED Pre-video graphics For systems with a graphics card: flashes six times, error. 1. Reseat the graphics card. Power on once every second, the system. followed by a two 2.
Page 217 Diagnostic Front Panel LEDs and Audible Codes (Continued) Activity Beeps Possible Cause Recommended Action Red Power LED Bad option card. 1. Check each option card (PCI or PCI flashes ten times, Express) by removing the card (one at once every second, a time if multiple cards), then power followed by a two on the system to see if fault goes...
Page 218 D–34 376220-001 Service Reference Guide, dc5100...
Page 219 System Board and Riser Card 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)/PS_ON(off) Health-LED UID LED Power LED CR35 Hard drive activity LED Boot block header/jumper Boot block recovery header CPLD programming header E49/JP49...
Page 220 Designator Component (Continued) 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, Top = microphone, Bottom = headphone Double-stacked line-in, Top = line-in, Bottom = line-out Stacked serial/audio connector Primary double-stack USB, Top = Port 2, Bottom = Port 1 Secondary double-stack USB, Top = Port 4, Bottom = Port 3...
Page 221 Designator Component (Continued) MultiBay header SCSI LED connector PCI extender slot (female) Blade PC graphics connector (outboard) Blade PC graphics connector (inboard) Serial port header First serial port Flying serial port Double stack serial port, Top = Serial B, Bottom = Serial A Riser edge connector (male-mates with J30) Primary Serial ATA (SATA) connector Second Serial ATA (SATA) connector...
Page 222 Designator Component (Continued) VRM controller USB front port power switch First USB rear port power switch Second USB rear port power switch Third USB rear port power switch Battery retainer XMM1 Memory slot. DIMM1 or RIMM1 populated and tested XMM2 - XMM5 Following memory slots Primary processor socket Secondary processor socket...
Page 223 Memory Intel-Based Systems Computers equipped with Intel-based processors come 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.
Page 224: Dimm Sockets
DIMM Sockets There are four DIMM sockets on the system board, with two sockets per channel. The sockets are labeled XMM1, XMM2, XMM3, and XMM4. Sockets XMM1 and XMM2 operate in memory channel A. Sockets XMM3 and XMM4 operate in memory channel B. The system board shown may differ from the one in your product.
Page 225 Index Index 4-pin power pin assignments A–7 keyboard cleaning 5–6 24-pin MicroFit power pin assignments A–7 keyboard keys 5–6 24-pin power pin assignments A–7 operating system installation 1–1 6-pin power pin assignments A–8 protecting ROM 3–4 chassis CMT illustrated 5–1 access panel, MT removal and replacement 6–3 SFF illustrated 5–2 advanced, Computer Setup heading 2–11...
Page 226 installing 2–15 MT removal and replacement 6–9 Menu Bar 2–16 external 3.5-inch drive overview 2–14 SFF removal and replacement 7–24 running tests 2–17 external security disassembly preparation MT 6–2 MT 6–1 SFF 7–1 FailSafe key disconnecting SFF 7–2 MT hard drive cable 6–16 fan shroud MT optical drive cable 6–15 SFF removal and replacement 7–29...
Page 227 hard drive cable connecting 6–19 hard drive cable disconnecting 6–16 jumper settings D–9 heatsink removal and replacement 6–24 memory removal and replacement 6–8 keyboard optical drive cable connecting 6–18 cleaning 5–6 optical drive cable disconnecting 6–15 pin assignments A–1 padlock 6–2 PCI expansion card removal and replacement LEDs 6–10...
Page 228 power switch assembly MT power switch assembly 6–23 MT removal and replacement 6–23 MT processor 6–25 SFF removal and replacement 7–34 MT speaker 6–32 power-on password 2–1 MT system board 6–27 Power-On Self-Test (POST) 2–1 SFF battery 7–47 problems, solving SFF cable lock 7–4 audio D–16 SFF chassis fan 7–46...
Page 229 setup spare part number software 1–2 wrench, tamper resistant 5–7 windows 1–1 speaker MT removal and replacement 6–32 battery removal and replacement 7–47 SFF removal and replacement 7–38 cable lock removal and replacement 7–4 static electricity 5–3 cable management 6–12 7–13 storage, Computer Setup heading 2–5 chassis fan removal and replacement 7–46...

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Dc5100 - fast - computer desktop pentium 4 ht 3.0ghz 2gb 320gb dvdrw keyboard/mouse included Dc5100 series Compaq dc5100 series

HP dc5100 - Microtower PC Service & Reference Manual

1 Installing the Operating System

2 Setup Utilities and Diagnostics Features

3 Desktop Management

4 Serial and Parallel ATA Drive Guidelines and Features

5 Identifying the Chassis, Routine Care, and Disassembly Preparation

6 Removal and Replacement Procedures-Microtower (MT) Chassis

7 Removal and Replacement Procedures-Small Form Factor (SFF) Chassis

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