HP Dc5000 HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd
HP Dc5000 - Compaq Business Desktop Manual
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- HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 1
service reference guide hp compaq business desktop dc5000 series 2nd edition This document provides information on the removal and replacement of all parts as well as information on troubleshooting, Desktop Management, setup utilities, PATA drives, safety, routine care, connector pin assignments, - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 2
- HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 3
Service Reference Guide HP Compaq Business Desktop dc5000 Series 2nd Edition Document Part Number: 360201-002 April 2004 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 4
Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice. Microsoft, MS-DOS, Windows, and Windows in damage to equipment or loss of information. Service Reference Guide HP Compaq Business Desktop dc5000 Series 1st Edition (March 2004) 2nd Edition - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 5
the Operating System 1.0.1 Installing or Upgrading Device Drivers 1-1 1.0.2 Creating a Bootable Diskette or USB Flash Media Device 1-1 1.1 HP Software 1-2 2 Setup Utilities and Diagnostics Features 2.1 Power-On Self-Test (POST 2-1 2.2 Computer Setup Utilities 2-2 2.2.1 Using Computer Setup (F10 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 6
5.3.2 Cleaning the Computer Case 5-5 5.3.3 Cleaning the Keyboard 5-6 5.3.4 Cleaning the Monitor 5-6 5.3.5 Cleaning the Mouse 5-6 5.4 Service Considerations 5-7 5.4.1 Power Supply Fan 5-7 5.4.2 Tools and Software Requirements 5-7 5.4.3 Screws 5-7 Service Reference Guide, dc5000 360201-002 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 7
7.2 External Security Devices 7-2 7.2.1 Cable Lock 7-2 7.2.2 Padlock 7-3 7.3 Computer Access Panel 7-4 7.4 Front Bezel 7-5 7.5 Front Drive Bezels 7-6 7.6 Memory Modules 7-7 7.7 PCI Expansion Card 7-8 7.8 Drives 7-11 7.8.1 Drive Positions 7-11 Service Reference Guide, dc5000 360201-002 v - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 8
and Heatsink 7-27 7.15Speaker 7-28 7.16Power Supply 7-29 A Connector Pin Assignments B Power Cord Set Requirements C POST Error Messages D Troubleshooting Without Diagnostics E System Board and Riser Board Reference Designators F Memory Index vi 360201-002 Service Reference Guide, dc5000 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 9
appropriate language for the operating system. Read and follow the instructions that appear on the screen to complete the installation. During this process, do not turn off your computer unless you are directed to do so. 1.0.1 Installing or Upgrading Device Drivers To install hardware devices such - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 10
models: ■ Computer Setup Utilities and diagnostic features ■ HP Support Software including device drivers ■ Configuration Record ■ Online Safety & Comfort Guide ■ HP Intelligent Manageability ■ Enhanced HP Insight Personal Edition (Diagnostics for Windows) ■ DMI Support ■ Power Management with - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 11
be available on all HP products. 2.1 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: ■ Keyboard ■ Memory modules ■ Diskette drives ■ All - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 12
the Power-On Self-Test (POST). ■ Replicate your system setup by saving system configuration information on diskette and restoring it on one or more computers. ■ Execute self-tests on a specified IDE (ATA) hard drive (when supported by the drive). 2-2 360201-002 Service Reference Guide, dc5000 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 13
factory system defaults. Ä CAUTION: Do NOT turn the computer power OFF while the ROM is saving your F10 Computer Setup changes because the CMOS could become corrupted. It is safe to turn off all power to the computer after you exit the F10 Setup screen. Service Reference Guide, dc5000 360201 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 14
for Drive Key is supported. Restores factory default settings which includes clearing any established passwords. Exits Computer Setup without applying or saving any changes. Saves changes to system configuration and exits Computer Setup. Lists all installed BIOS controlled storage devices. ✎ SCSI - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 15
, (IDE/ATA) LS-120 Superdisk, (IDE/ATA) LS-240 Superdisk, and (IDE/ATA) PD-optical drives. ✎ After saving changes to Removable Media Boot, the computer will restart. Manually, turn the computer off, then on. *Option supported on select models. Service Reference Guide, dc5000 360201-002 2-5 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 16
plug and play settings under Windows. See the Troubleshooting Guide for more information. Power-On Password Allows you to set and enable power-on password. See the Troubleshooting Guide for more information. *Option supported on select models. 2-6 360201-002 Service Reference Guide, dc5000 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 17
and FORMAT) attempt to update the MBR. If MBR Security is enabled and disk accesses are being serviced by the BIOS, write requests to the MBR are rejected, causing the utilities to report errors. If MBR Security is enabled and disk accesses are being serviced by the operating system, any MBR change - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 18
the computer's ability to boot from an operating system installed on a network server. (Feature available on NIC models only; the network controller must reside on the PCI bus or be embedded on the system board.) *Option supported on select models. 2-8 360201-002 Service Reference Guide, dc5000 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 19
✎ If you turn off power to your computer using the switch on a power strip, you will not be able to use the suspend/sleep feature or the Remote Management features. * Available on select models. **These options should be used by advanced users only. Service Reference Guide, dc5000 360201-002 2-9 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 20
only needed when more than one graphics controller is installed. PCI SERR# generation. ECC support allows hardware-based error correction for ECC-capable memories. *Available on select models. **These options should be used by advanced users only. 2-10 360201-002 Service Reference Guide, dc5000 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 21
Displayed only if there are multiple PCI video adapters in the system. Allows you to specify which VGA controller will be the "boot" or primary VGA controller. * Available on select models. **These options should be used by advanced users only. Service Reference Guide, dc5000 360201-002 2-11 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 22
Use Diagnostics for Windows in the following instances to: ■ Determine if all the devices installed on the computer are recognized by the system and functioning properly. Running tests is optional but recommended after installing or connecting a new device. ■ Third party devices not supported by HP - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 23
Windows. ✎ If you want to upgrade an existing version of Diagnostics for Windows installed on the computer, visit http://www.hp.com/support/files and click on an applicable product. Locate the desired software and download the latest version. Execute the downloaded file and select Repair to update - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 24
Communication-Ports ❏ Storage-Storage drives ❏ Graphics-Graphics ❏ Memory-System board and Windows memory ❏ Multimedia-Optical storage (CD, DVD, and so on) and audio ❏ Windows-Windows ❏ Architecture-PCI Device ❏ Resources-IRQ, I/O, and Memory Map ❏ Health-Status of system temperature and hard drives - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 25
total run time of each test. ❏ Error-Lists all errors found on the computer with their error codes. 7. To save a test report: ❏ Select the Log tab Save button to save a Log tab report. ❏ Select the Error tab Save button to save an Error tab report. Service Reference Guide, dc5000 360201-002 2-15 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 26
This utility allows the resolution of problems without taking the computer offline and assists in maximizing the computer availability. The information obtained by the utility is useful in troubleshooting system problems, and streamlines the service process by enabling quick and easy identification - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 27
Agent only works if Diagnostics for Windows is also installed. The Remote Diagnostics Enabling Agent is pre-loaded on some computers and is available through a SoftPaq at http://www.hp.com under Support and Drivers. 2.5.1 Installing or Upgrading Remote Diagnostics Enabling Agent 1. Visit http - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 28
Setup Utilities and Diagnostics Features 2.7 Restoring the Software The Windows operating system and software can be restored to its original state by using the Restore CD. See the Restore CD for complete instructions on using this feature. 2-18 360201-002 Service Reference Guide, dc5000 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 29
■ Remote system installation ■ Software updating and management ■ ROM flash ■ Asset tracking and security ■ Fault notification and recovery ✎ Support for specific features described in this guide may vary by model or software version. 3.1 Initial Configuration and Deployment HP computers come with - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 30
PC health check monitoring and diagnostics ■ Proactive notification of changes in your hardware environment ■ Web-accessible reporting of business critical details such as machines with thermal warnings, memory alerts, and more ■ Remote updating of system software such as device drivers and ROM BIOS - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 31
❏ Windows 2000/XP migration ❏ System deployment ❏ Personality migrations ■ Help Desk and Problem Resolution ❏ Managing help desk tickets ❏ Remote troubleshooting ❏ Remote problem resolution ❏ Client disaster recovery ■ Software and Operations Management ❏ Ongoing desktop management ❏ HP system SW - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 32
The HPQFlash utility is used to locally update or restore the system ROM on individual PCs through a Windows operating system. For more information on HPQFlash, visit http://www.hp.com/support/files and enter the name of the computer when prompted. 3-4 360201-002 Service Reference Guide, dc5000 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 33
also support recovery from a ROMPaq CD. ISO ROMPaq images are included with selected models in the downloadable ROM softpaqs. When the bootblock detects an invalid system ROM, the System Power LED blinks RED 8 times, one every second, followed by a 2-second pause. Also 8 simultaneous beeps will - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 34
the instructions on the screen. System Software Manager (SSM) may also be used to distribute setup configurations to multiple computers. For more information, see http://www.hp.com/go/ssm. 3.4.5 Dual-State Power Button With Advanced Configuration and Power Interface (ACPI) enabled for Windows 2000 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 35
installing the latest support software easier. You can download the software from http://www.hp.com/support. The Web site contains the latest device drivers, utilities, and flashable ROM images needed to run the latest Microsoft Windows operating system on your HP computer. 3.4.8 Building Blocks and - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 36
password is entered. From the Computer Setup Utilities (F10) menu. ✎ 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. 3-8 360201-002 Service Reference Guide, dc5000 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 37
loop to prevent unwanted configuration changes or component removal. ✎ 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. Service Reference Guide, dc5000 360201-002 3-9 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 38
to access the utility. If you are using a PS/2 keyboard, you may see a Keyboard Error message-disregard it. 3. Select Security, then Power-On Password and follow the instructions on the screen. 4. Before exiting, click File > Save Changes and Exit. 3-10 360201-002 Service Reference Guide, dc5000 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 39
. ✎ If you do not press the F10 key at the appropriate time, you must turn the computer off, then on again, and press the F10 key again to access the utility. If you are using a PS/2 keyboard, you may see a Keyboard Error message-disregard it. Service Reference Guide, dc5000 360201-002 3-11 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 40
computer off, then on again, and press the F10 key again to access the utility. If you are using a PS/2 keyboard, you may see a Keyboard Error power-on password and setup password may also be changed using the Security options in Computer Setup. 3-12 360201-002 Service Reference Guide, dc5000 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 41
and/or hot surfaces, be sure to disconnect the power cord from the wall outlet, and allow the internal system components to cool before touching. Ä CAUTION: When the computer is plugged in, the power supply always has voltage applied to the system board even when the unit is turned off. Failure - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 42
the new passwords in Computer Setup. Refer to the Computer Setup (F10) Utility Guide on the Documentation CD for Computer Setup instructions. 3.5.4 DriveLock DriveLock is an industry-standard security feature that prevents unauthorized access to the data on specific hard drives. DriveLock has - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 43
been designed to protect. Access to Computer Setup and DriveLock can be restricted through the Setup password. By specifying a Setup password and not giving it to end users, system administrators are able to restrict users from enabling DriveLock. Service Reference Guide, dc5000 360201-002 3-15 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 44
to the MBR of the current bootable disk while in MS-DOS or Windows Safe Mode. ✎ Most operating systems control access to the MBR of the current bootable disk; the BIOS cannot prevent changes that may occur while the operating system is running. Each time the computer is turned on or restarted, the - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 45
3.5.7 Cable Lock Provision The rear panel of the computer accommodates a cable lock so that the computer can be physically secured to a work area. For illustrated instructions, please see the Removal and Replacement Chapter for the specific chassis. Service Reference Guide, dc5000 360201-002 3-17 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 46
service provider can use this information to help diagnose conditions that caused you to run the DPS software. Refer to the Troubleshooting Guide for instructions on using DPS. 3.6.2 Surge-Tolerant Power Supply An integrated surge-tolerant power supply provides greater reliability when the computer - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 47
at speeds faster coded for easy recognition: ■ System board connector = blue face ■ Device 0 connector = black face ■ Device 1 connector = gray face ✎ The color code of an industry-standard cable is valid only if the drive's jumper is in the cable-select position. Service Reference Guide, dc5000 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 48
only a single drive is connected to a controller and computer system, all drives need to be attached to the ATA controllers in a specified sequence. This sequence is determined by the device class of the drives and by specific attach sequence rules. 4-2 360201-002 Service Reference Guide, dc5000 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 49
are in Class 4. Class 1 Hard Drives ATA-100 ATA-66 ATA-33 Class 2 High Speed Optical Drives DVD DVD-CD R/W Class 3 Optical Storage Drives R/W CD-ROM CD-ROM Class 4 Magnetic Storage Drives first before following the General Attach Sequence Rule. Service Reference Guide, dc5000 360201-002 4-3 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 50
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 worksheet are: ■ Three device installation ■ Four device installation 4-4 360201-002 Service Reference Guide, dc5000 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 51
drive, 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: ■ Ultra ATA-100 hard drive = Class 1 ■ Ultra ATA-100 hard drive = Class 1 ■ DVD-CDR/W drive = Class 2 ■ ZIP-250 drive = Class 4 Service Reference Guide, dc5000 360201 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 52
1 Primary 0 DVD-CDR/W drive system, the Ultra ATA drive will become the boot drive unless the boot order is changed in Computer Setup (F10 Setup). 4.4 SMART The Self Monitoring Analysis and Recording Technology (SMART) ATA drives for the HP Personal Computers Service Reference Guide, dc5000 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 53
Capacity Limits File System FAT 32 FAT 32 NTFS NTFS Controller Type ATA SCSI ATA SCSI Operating System Windows 2000/ XP Windows 2000/ XP Windows NT/2000/XP Windows NT/2000/XP Maximum Size Partition 32 GB 32 GB 128 GB 2TB Drive 128 GB 2 TB 128 GB 2TB Service Reference Guide, dc5000 360201-002 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 54
Ultra ATA Drive Guidelines and Features 4-8 360201-002 Service Reference Guide, dc5000 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 55
into an AC power source voltage is always applied to the system board. You must disconnect the power cord from the power source before opening the computer to prevent system board or component damage. 5.1 Chassis Designations 5.1.1 Microtower (µT) Service Reference Guide, dc5000 360201-002 5-1 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 56
Identifying the Chassis, Routine Care, and Disassembly Preparation 5.1.2 Small Form Factor (SFF) 5-2 360201-002 Service Reference Guide, dc5000 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 57
provide some protection, but in many cases, the discharge contains enough power to alter device parameters or melt silicon junctions. 5.2.1 Generating Static electrostatic-sensitive parts from assemblies in protective packaging or conductive foam. Service Reference Guide, dc5000 360201-002 5-3 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 58
be worn snug against bare skin. The ground cord must be connected and fit snugly into the banana plug connector on the grounding mat at static-free work areas. ■ Turn off power and input signals before inserting and removing connectors service kits 5-4 360201-002 Service Reference Guide, dc5000 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 59
," before cleaning the computer. To clean the computer case, follow the procedures described below: ■ To remove light stains or dirt, use the air vents on the computer. Lint and other foreign matter can block the vents and limit the airflow. Service Reference Guide, dc5000 360201-002 5-5 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 60
Computer Case." When cleaning debris from under the keys, review keys. This tool is available through many electronic supply outlets. Ä CAUTION: Never remove a wide Computer Case." 5.3.5 Cleaning the Mouse Before cleaning the mouse, ensure that the power to the computer Service Reference Guide, dc5000 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 61
5.4 Service Considerations Listed below are some of the considerations that you should keep in mind during the disassembly and assembly of the computer. 5.4.1 Power Supply Fan The power supply fan is a variable-speed fan based on the temperature in the power supply. Ä CAUTION: The cooling fan is - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 62
actually mounted in the CPU. ■ Avoid dropping drives from any height 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 Service Reference Guide, dc5000 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 63
Remove any diskette or compact disc from the computer. 5. Turn off the computer and any peripheral devices that are connected to it. Ä CAUTION: Turn off the computer before disconnecting any cables. Ä CAUTION: Regardless of the power-on state, voltage is always present on the system board as long as - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 64
Replacement Procedures- Microtower (µT) 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 360201-002 Service Reference Guide, dc5000 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 65
and Replacement Procedures- Microtower (µT) Chassis 6.2.2 Installing a Padlock 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. I Service Reference Guide, dc5000 360201-002 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 66
1 inch (2.5 cm), then lift it off the unit. ✎ You may want to lay the computer on its side to install internal parts. Be sure the side with the access panel and pull grip is facing up. To install the access panel, reverse the removal procedure. 6-4 360201-002 Service Reference Guide, dc5000 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 67
Removal and Replacement Procedures- Microtower (µT) 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, the remaining hooks on the inside of the bezel. Service Reference Guide, dc5000 360201-002 6-5 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 68
Removal and Replacement Procedures- Microtower (µT) Chassis 4. Press down on the upper right corner of the bezel to release the hook that secures the top of to release the right side latches and rotate the bezel off the chassis from left to right 2. 6-6 360201-002 Service Reference Guide, dc5000 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 69
Removal and Replacement Procedures- Microtower (µT) Chassis To reinstall the front bezel, 1. Position the chassis in the upright position. 2. Insert the two hooks on single tab on the upper right corner of the bezel snap into the slots on the chassis. Service Reference Guide, dc5000 360201-002 6-7 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 70
Removal and Replacement Procedures- Microtower (µT) Chassis 6.5 Front Drive Bezels 1. Prepare the computer for disassembly (Section 6.1, "Preparation for Disassembly"). 2. Remove the access panel ( install a bezel blank, reverse the removal procedure. 6-8 360201-002 Service Reference Guide, dc5000 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 71
Removal and Replacement Procedures- Microtower (µT) Chassis 6.5.2 Diskette Drive Bezel Press the two upper 1 or the two lower 2 tabs for the blank out to remove it from the front bezel. To install a bezel blank, reverse the removal procedure. Service Reference Guide, dc5000 360201-002 6-9 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 72
. 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 CAUTION: Static electricity can damage the electronic components of the computer or optional cards - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 73
the table to make it easier to work on (Section 6.3, "Access Panel"). 3. On the rear of the computer, slide the slot cover lock up to access the expansion slot covers. For instructions on PCI expansion cards, see Section 6.7.2, "PCI Expansion Card." Service Reference Guide, dc5000 360201-002 6-11 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 74
operation. 4. Store the old card in the anti-static packaging that contained the new card. 5. If you are installing a PCI expansion card for the first time in this computer you will need to remove the correct expansion slot cover at this time. 6-12 360201-002 Service Reference Guide, dc5000 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 75
on the card so that the whole connector seats properly in the expansion card slot. 8. Slide the slot cover lock down toward the expansion card brackets and slot covers to secure them in place. ✎ Installing the access panel will secure the slot cover lock. Service Reference Guide, dc5000 360201 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 76
Microtower (µT) Chassis 6.8 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 Compaq factory DVD-ROM, DVD-R/RW, or CD-RW/DVD Combo drive. 6-14 360201-002 Service Reference Guide, dc5000 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 77
Panel"). 3. Remove the front bezel (Section 6.4, "Front Bezel"). 4. Disconnect the power and data cables from the back of the drive, as shown in the following illustrations. Disconnecting Optical Drive Cables Disconnecting Diskette Drive Cables Service Reference Guide, dc5000 360201-002 6-15 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 78
Removal and Replacement Procedures- Microtower (µT) Chassis Disconnecting Hard Drive Cables Releasing the Drives 5. A to remove, then slide the drive from its drive bay 2. 6. Remove the four guide screws (two on each side) from the old drive. You will need these screws to install a new drive - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 79
down the operating system properly, then turn off the computer. Do not remove a hard drive while the computer is on or guide screws into the drive. 2. Align the guide screws with the guide slots, then slide the drive into the drive bay, making sure it is fully seated. Service Reference Guide, dc5000 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 80
Removal and Replacement Procedures- Microtower (µT) Chassis 3. Reconnect the power and data cables to the drive as shown in on attaching the cabling to get optimum performance. Connecting Optical Drive Cables Connecting Diskette Drive Cables 6-18 360201-002 Service Reference Guide, dc5000 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 81
the primary hard drive, the restore CD may be used to restore the operating system, software drivers, and/or any software applications that were preinstalled on the computer. Follow the instructions in the guide included with the restore CD. When the restore process has completed, reinstall any - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 82
the power cable that connects the chassis fan to the system board 1. 4. Remove the four screws from the rear of the chassis 2 that secure the fan. 5. Remove the fan from the chassis 3. To install the chassis fan, reverse the removal procedure. 6-20 360201-002 Service Reference Guide, dc5000 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 83
: the power switch/LED cable, the front USB cable, and the front audio cable. 4. Remove the two screws 1 that secure the housing to the chassis and then pull the housing 2 away from the chassis. To install the housing assembly, reverse the removal procedures. Service Reference Guide, dc5000 360201 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 84
screws 1 that hold the USB and audio port assembly in place. 5. Remove the I/O device assembly from the I/O panel 2 by pushing it out of the housing. To install the I/O devices, reverse the removal procedures and then reinstall the housing assembly. 6-22 360201-002 Service Reference Guide, dc5000 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 85
the LED holders and push the holders out of the front of the I/O panel housing. 7. Remove the switch from the switch holder 3. 8. To install the power switch assembly install the switch into the switch holder. Service Reference Guide, dc5000 360201-002 6-23 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 86
the their retainers. The power LED (having the blue and black leads) should be to the right when viewed from the front of the computer. 11. Reconnect the housing assembly to the front of the chassis and reconnect the cables to the system board. 6-24 360201-002 Service Reference Guide, dc5000 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 87
in place. 3. Refresh the thermal grease between the heatisnk and processor if necessary. 4. Install the heatsink and latch it in place. 5. Connect the heatsink fan control to the system board. 6. Replace the access panel and reconnect the computer. Service Reference Guide, dc5000 360201-002 6-25 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 88
the front of the computer 2 to free it from the back of the chassis. To install the system board, slide the tray assembly into the chassis and press down on the two places shown in the drawing 1 while sliding the tray into its locked position 2. 6-26 360201-002 Service Reference Guide, dc5000 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 89
to remove an expansion card to gain access to the battery. 3. Locate the battery and battery holder on the system board. 4. Depending on the type of battery holder on your system board, complete the following instructions to replace the battery: Service Reference Guide, dc5000 360201-002 6-27 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 90
access panel (Section 6.3, "Access Panel"). 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. 6-28 360201-002 Service Reference Guide, dc5000 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 91
or access panel (Section 6.3, "Access Panel"). 4. Plug in the computer and turn on power to the computer. 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, dc5000 360201-002 6-29 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 92
the computer access panel (Section 6.3, "Access Panel"). 5. Plug in the computer and turn on power. 6. Reset the date and time, your passwords, and any special system setups, using Computer Setup. Refer to the Computer Setup (F10) Utility Guide. 6-30 360201-002 Service Reference Guide, dc5000 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 93
to gain access to the speaker. 4. Disconnect the speaker wire from the system board connector. 5. Remove the four screws 1, that secure the speaker to the chassis. 6. Remove the speaker 2. To install the speaker, reverse the removal procedures. Service Reference Guide, dc5000 360201-002 6-31 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 94
from the system board. 4. Remove the screws that connect the power supply to the chassis 1. 5. Slide the power supply toward the front of the computer, then lift it out of the computer 2. To install the power supply, reverse the removal procedure. 6-32 360201-002 Service Reference Guide, dc5000 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 95
Remove any diskette or compact disc from the computer. 5. Turn off the computer and any peripheral devices that are connected to it. Ä CAUTION: Turn off the computer before disconnecting any cables. Ä CAUTION: Regardless of the power-on state, voltage is always present on the system board as long as - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 96
object. As shown, there are two acceptable methods for using the cable lock.While both methods work, for added security HP recommends that you use the method shown on the left where the cable lock penetrates both the access panel and the chassis. 7-2 360201-002 Service Reference Guide, dc5000 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 97
and Replacement Procedures- Small Form Factor (SFF) Chassis 7.2.2 Padlock 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. I Service Reference Guide, dc5000 360201-002 7-3 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 98
computer 1. 3. Slide the computer access panel 2 back about 0.5inch (1.3 cm), then lift it off the unit. When installing the access panel, press down on its center to ensure the latches are properly secured while sliding it into the locked position. 7-4 360201-002 Service Reference Guide, dc5000 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 99
Remove the computer access panel (Section 7.3, "Computer Access Panel"). 3. Pull up on the three release tabs 1 on the top of the bezel, then pull the front bezel away from the chassis 2. To reinstall the front bezel, reverse the removal procedure Service Reference Guide, dc5000 360201-002 7-5 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 100
(SFF) Chassis 7.5 Front Drive Bezels 1. Prepare the computer for disassembly (Section 7.1, "Preparation for Disassembly"). 2. Remove the computer access panel (Section 7.3, "Computer Access a bezel or a bezel blank, reverse the removal procedure. 7-6 360201-002 Service Reference Guide, dc5000 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 101
on the memory socket. 4. Push the module down into the socket, ensuring that the module is fully inserted and properly seated. Make sure the latches are in the closed position 3. 5. Repeat steps 4 and 5 for any additional modules that you want to install. Service Reference Guide, dc5000 360201-002 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 102
Procedures- Small Form Factor (SFF) Chassis ✎ The computer automatically recognizes the additional memory when the computer is turned on. To reassemble the computer, reverse the removal procedure. 7.7 PCI Expansion Card 1. Prepare the computer for disassembly (Section 7.1, "Preparation - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 103
rock it back and forth until the connectors pull free from the socket. Lift the expansion card straight up then pull it in toward the center of the chassis to release it from the chassis frame. Be sure not to scrape the card against other components. Service Reference Guide, dc5000 360201-002 7-9 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 104
an expansion card, you must replace it with a new card or cover the open slot (for example, with a metal slot cover or a piece of cardboard taped in place) for proper cooling of internal components. Failure to do so may cause the system to overheat. 7-10 360201-002 Service Reference Guide, dc5000 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 105
SFF) Chassis 7.8 Drives The computer supports up to three drives. 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 the computer, run Computer Setup. Service Reference Guide, dc5000 360201-002 7-11 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 106
supply and its fan access area. Keep all cables away from the top of the power supply to prevent pinching or cutting. Also, keep cables away from the fan blade area to prevent them from interfering with the fan's rotation or reducing the air flow. 7-12 360201-002 Service Reference Guide, dc5000 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 107
(Section 7.3, "Computer Access Panel"). 3. Remove the front bezel (Section 7.4, "Front Bezel"). 4. Raise the Easy Access drive bay to the upright position. 5. Disconnect the audio, signal, and drive power cables from the drive. The other end of the cables should remain connected to the system board - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 108
take the place of drive rails. 2. Position the guide screws on the drive into the J-slots in the drive bay 1. Then, slide the drive towards the rear of the computer 2. ✎ The drive release latch automatically locks in place when installing a drive. 7-14 360201-002 Service Reference Guide, dc5000 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 109
. The system automatically recognizes the drive and reconfigures the computer. Ä CAUTION: When servicing the computer, ensure that cables are placed in their proper locations during the reassembly process. Improper cable placement can damage the computer. Service Reference Guide, dc5000 360201-002 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 110
the system board. 6. Return the Easy Access drive bay to the down position. 7. Push the drive release latch 1 toward the rear of the chassis and hold. 8. Slide the drive 2 toward the front of the drive cage, then lift the drive out of the computer. 7-16 360201-002 Service Reference Guide, dc5000 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 111
locks into place. 10. Connect the power and data cables. 11. Make sure the drive cables are routed properly (Section 7.8.2, "Cable Routing"). 12. Rotate the drive cage to its original position. 13. Replace the front bezel and computer access panel. Service Reference Guide, dc5000 360201-002 7-17 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 112
access panel (Section 7.3, "Computer Access Panel"). 3. Remove the front bezel (Section 7.4, "Front Bezel"). 4. Raise the Easy Access drive bay to the upright position. 5. Disconnect the power cable and signal cable from the back of the drive. 7-18 360201-002 Service Reference Guide, dc5000 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 113
Removal and Replacement Procedures- Small Form Factor (SFF) Chassis 6. Press and hold the drive release the guide screws. Make sure the drive cables are routed properly (Section 7.8.2, "Cable Routing") before rotating the drive cage to its original position. Service Reference Guide, dc5000 360201- - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 114
Small Form Factor (SFF) Chassis 7.9 Front I/O Devices 1. Prepare the computer for disassembly (Section 7.1, "Preparation for Disassembly"). 2. Disconnect the two I/O device cables from the system board: the front USB cable pair and the front audio cable. 3. Remove the power supply from the chassis - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 115
Factor (SFF) Chassis 7.10 Power Switch Assembly 1. Prepare the computer for disassembly (Section 7.1, "Preparation for Disassembly"). 2. Disconnect the power switch/LED cable from the system board. 3. Carefully cut the cable tie that secures the power switch cable to the power supply cable cable - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 116
Disassembly"). 2. Remove the computer access panel (Section 7.3, "Computer Access Panel"). 3. Remove all PCI expansion boards (Section 7.7, "PCI Expansion Card"). 4. Remove the AGP graphics card (Section 7.7, "PCI Expansion Card"). 5. Disconnect all cables connected to the system board, noting their - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 117
If the fan is installed with plastic push-pins, use the new pins provided in the fan kit. Ä CAUTION: Do not overtighten the two mounting screws. Overtightening the screws may deform the fan housing and result in a "clicking" noise when the fan is running. Service Reference Guide, dc5000 360201-002 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 118
battery only with the HP/Compaq spare designated for this product. Ä CAUTION: Before replacing the battery, it is important to back up the computer CMOS settings. When the battery is removed or replaced, the CMOS settings will be cleared. Refer to the Troubleshooting Guide for information on backing - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 119
. 4. Replace the computer cover or access panel. 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, dc5000 360201-002 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 120
Factor (SFF) computer cover or access panel. 4. Plug in the computer and turn on power to the computer. Reset the date and time, your passwords, and any special system setups, using Computer Setup. Refer to the Computer Setup (F10) Utility Guide. 7-26 360201-002 Service Reference Guide, dc5000 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 121
in place. 3. Refresh the thermal grease between the heatsink and processor if necessary. 4. Install the heatsink and latch it in place. 5. Connect the heatsink fan control to the system board. 6. Replace the access panel and reconnect the computer. Service Reference Guide, dc5000 360201-002 7-27 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 122
the chassis (Section 7.16, "Power Supply"). 7. Remove the two screws that secure the speaker to the chassis 1. 8. Slide the speaker towards the rear of the chassis and down to remove it 2. To install the speaker, reverse the removal procedures. 7-28 360201-002 Service Reference Guide, dc5000 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 123
and from the system board. 6. Remove the three screws that secure the rear chassis panel to the chassis 1, the pull the rear chassis panel straight back 2 to remove it from the chassis. 7. Slide the power supply out the back of the computer 3. Service Reference Guide, dc5000 360201-002 7-29 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 124
Removal and Replacement Procedures- Small Form Factor (SFF) Chassis When installing the power supply, reverse the removal procedure, making sure that the clips on the bottom of the rear panel fit in the slots provided. 7-30 360201-002 Service Reference Guide, dc5000 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 125
for many computer and workstation connectors. Some of these connectors may not be used on the product being serviced. Enhanced Keyboard +5 VDC 5 Clock 6 Unused Ethernet BNC Connector and Icon Pin 1 (Center) 2 (Shield) Signal Data Ground Service Reference Guide, dc5000 360201-002 A-1 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 126
RJ-45 Connector and Icon Pin 1 2 3 4 5 6 7 8 Ethernet AUI Connector and Icon Signal (+) Transmit Data (-) Transmit Data (+) Receive Data Unused Unused (-) Receive Data Unused +12V 11 Ground 12 Ground 13 Unused 14 Unused 15 Unused 16 Unused A-2 360201-002 Service Reference Guide, dc5000 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 127
to Send Clear to Send Ring Indicator (5V if powered) USB Connector and Icon Pin Signal 1 +5 VDC 2 - Data 3 + Data 4 Ground Microphone Connector and Icon (1/8" miniphone) 1 23 Pin 1 (Tip) 2 (Ring) 3 (Shield) Signal Audio Power Ground Service Reference Guide, dc5000 360201-002 A-3 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 128
) 1 23 Pin 1 (Tip) 2 (Ring) 3 (Shield) Signal Audio_In_Left Audio_In_Right Ground Line-Out Audio Connector and Icon (1/8" miniphone) 1 23 Pin 1 (Tip) 2 (Ring) 3 (Shield) Signal 60 -MSG 61 -SEL 62 -C/D 63 -REQ 64 -I/O 65 -D 66 -D 67 -D 68 -D A-4 360201-002 Service Reference Guide, dc5000 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 129
Pin Signal 1 Red Analog 2 Green Analog 3 Blue Analog 4 Not used 5 Ground Pin Signal 6 Ground 7 Ground 8 Ground 9 +5V (fused) 10 Ground Pin Signal 11 Not used 12 DDC Serial Data 13 Horizontal Sync 14 Vertical Sync 15 DDC Serial Clock Service Reference Guide, dc5000 360201-002 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 130
V *Open for d300 series computers; -5V for all others Pin Signal 11 +3.3 V 12 -12 V 13 GND 14 PSON 15 GND 4-Pin Power (for CPU) Connector and Icon Pin Signal 1 GND 2 GND 3 +12 V 4 -12 V Pin Signal 16 GND 17 GND 18 open* 19 +5 V 20 +5 V A-6 360201-002 Service Reference Guide, dc5000 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 131
rating of 125 or 250 volts AC, as required by each country's power system. 4. The appliance coupler must meet the mechanical configuration of an EN 60 320/IEC 320 Standard Sheet C13 connector, for mating with appliance inlet on the Switch Box. Service Reference Guide, dc5000 360201-002 B-1 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 132
Cord Set Requirements Power Cord Set Requirements Country-Specific Requirements Additional requirements specific to a country are shown in parentheses and explained grounding type with a Japanese Industrial Standard C8303 (7A, 125V) configuration. B-2 360201-002 Service Reference Guide, dc5000 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 133
Disable SafePost. If the expansion card does not respond, replace the card. Run Computer Setup (F10 Setup). Set the date and time under Control Panel or in F10 Setup depending on the operating system. If the problem persists, replace the RTC battery. Service Reference Guide, dc5000 360201-002 C-1 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 134
operating system. If the problem persists, replace the RTC battery. Run Computer Setup (F10 Setup) or Windows utilities. Make sure memory module(s) (if any) are installed properly. If third party memory has been added, test using HP-only memory. Verify proper memory module type. Reset system board - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 135
Replace system board. Reset the IRQ. Reset the IRQ. Reset the IRQ. Remove any parallel expansion cards. Clear CMOS. Reconfigure card resources and/or run Computer Setup (F10 Setup). Reset the IRQ. Reset the IRQ. Unplug AC power cord, wait 5 seconds, then reboot unit. Service Reference Guide, dc5000 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 136
Setup (F10 Setup). Disconnect any other diskette controller devices (tape drives). Clear CMOS. Reinstall tape drive or press F1 and allow system to reconfigure without the drive. Run Computer Setup (F10 Setup). Remove expansion cards. Clear CMOS. C-4 360201-002 Service Reference Guide, dc5000 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 137
the power cable from the power source, open the computer chassis and attach serial port cable to the system board. Turn off unit, disconnect the power cable from the power source, open the computer chassis and attach front cable assembly to the system board. Service Reference Guide, dc5000 360201 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 138
fan is running. Verify processor speed selection. Replace the processor. Replace the system board. Upgrade BIOS to proper version. Run Computer Setup and save the MBR of the current bootable disk. Use extreme caution, The MBR may have been updated due to normal disk maintenance activities (disk - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 139
to be entered, download from http://www.hp.com and run SP5572.EXE (SNZERO.EXE). Run Computer Setup and try to enter serial number under Security, System ID, then save changes. Replace the memory module. Run Computer Setup and Diagnostic utilities. Service Reference Guide, dc5000 360201-002 C-7 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 140
POST Error Messages C-8 360201-002 Service Reference Guide, dc5000 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 141
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)? ■ Is the computer turned on? ■ Is the green power light illuminated - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 142
Troubleshooting Without Diagnostics Solving Minor Problems Solving Minor Problems Problem Cause Possible Solution Computer appears locked up and will not turn off when the power button is pressed. Software control of the power switch is not functional. 1. Press and hold the power button for - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 143
supply cables are properly connected to the system board. 4. If the 3.3 V_aux light on the system board is on, then replace the power button harness. 5. If the 3.3 V_aux light on the system board is off, then replace the power supply. 6. Replace the system board. Service Reference Guide, dc5000 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 144
Troubleshooting Without Diagnostics Solving Power Supply Problems Solving Power Supply Problems Problem Cause Power supply shuts down intermittently. Voltage selector switch on rear of computer chassis not switched to correct line voltage. Power supply fault. Computer powered off - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 145
. Invalid media reported. A problem has occurred with a disk transaction. The directory structure is bad, or there is a problem with a file. Solution In Microsoft Windows XP, right-click Start, click Explore, and select a drive. Select File > Properties > Tools. Under Error-checking, click Check - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 146
to locate and block usage of bad sectors. If necessary, reformat the hard disk. In Windows XP, right-click Start, click Explore, and select a drive. Select File > Properties > Tools. Under Error-checking, click Check Now. Check cable connections. D-6 360201-002 Service Reference Guide, dc5000 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 147
Troubleshooting Without Diagnostics Solving Hard Drive Problems (Continued) Problem Cause The system may not have automatically recognized a newly installed device. Drive jumper settings may be incorrect. Nonsystem disk/NTLDR missing message. Nonsystem disk/NTLDR missing message. (continued) - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 148
lights on the front of the computer. See Appendix C, "POST Error Messages." 1. Attempt the normal Windows "Shut Down" procedure. 2. Press the power button for four or more seconds to turn off the power. 3. Restart the computer using the power button. D-8 360201-002 Service Reference Guide, dc5000 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 149
Solving Display Problems Troubleshooting Without Diagnostics Solving Display Problems Problem Cause Solution Blank screen (no video). The cable connections are not correct. Check the cable connections from the monitor to the computer and to the electrical outlet. Screen blanking utility - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 150
Troubleshooting Without Diagnostics Solving Display Problems (Continued) Problem Cause Power LED flashes Red six times, once every second, followed by a two second pause, and the computer beeps six times. Pre-video graphics error. Monitor does not function properly when used with energy saver - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 151
Troubleshooting Without Diagnostics Solving Display Problems (Continued) Problem Cause High pitched noise coming from inside a flat panel > Accessories > System Tools > Character Map. You can copy the symbol from the Character Map into a document. Service Reference Guide, dc5000 360201-002 D- - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 152
jack. See the sound card documentation for proper speaker connection. Audio cable not connected. Connect audio cable between CD or DVD-ROM drive and the system board. Digital CD audio is not enabled. Enable digital CD audio: 1. From the Control Panel, select System. 2. On the Hardware tab - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 153
Troubleshooting Without Diagnostics Solving Audio Problems (Continued) Problem Cause Solution Noise or no sound comes out of the speakers or headphones. 1. If using digital speakers that have a stereo jack and want the system to auto-switch to digital, use a stereo-to-mono adapter to properly - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 154
Troubleshooting Without Diagnostics Solving Printer Problems Solving Printer Problems Problem Cause Printer will not print. Printer is not turned on and online. The correct printer driver for the application are not installed. Printer will not turn on. Printer prints garbled information. - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 155
Troubleshooting Without Diagnostics Solving Keyboard and Mouse Problems Solving Keyboard Problems Problem Cause Solution Keyboard commands and typing are not recognized by the computer. Keyboard connector is not properly connected. 1. Turn off the computer. 2. Reconnect the keyboard to the - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 156
with the system to determine if you are using the correct memory modules and to verify the proper installation. 2. Observe the beeps and LED lights on the front of the computer. See Appendix C, "POST Error Messages" to determine possible causes. D-16 360201-002 Service Reference Guide, dc5000 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 157
HP memory. 4. Replace the system board. Power LED flashes Red six times, once every second, followed by a two second pause, and the computer beeps six times. Video card is not seated properly or is bad, or system board is bad. For systems with a graphics card: 1. Reseat the graphics card. Power - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 158
. Network driver is not properly loaded. System cannot autosense the network. Diagnostics reports a failure. Diagnostics passes, but the computer does not communicate with the network. The cable is not securely connected. The cable is attached to the incorrect connector. There is a problem with - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 159
working, industry-standard NIC, or change the boot sequence to boot from another source. Verify Network Connectivity, that a DHCP Server is present, and that the Remote System Installation Server contains the NIC drivers for your NIC. Flash the ROM. Service Reference Guide, dc5000 360201-002 D-19 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 160
Troubleshooting Without Diagnostics 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 System will not boot or does not - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 161
Troubleshooting Without Diagnostics Solving Processor Problems . Solving Processor Problems Problem Cause Poor performance is experienced. Processor is hot. Power LED is Red and stays on. Processor is not seated properly or not installed. Solution 1. Make sure the airflow to the computer - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 162
DVD Problems Solving CD-ROM and DVD Problems Problem Cause System will not boot from CD-ROM or DVD drive. The CD-ROM or DVD boot is not enabled through the Computer Setup utility. Non-bootable CD in drive. CD-ROM or DVD devices are not detected or driver is not loaded. Drive is not connected - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 163
the default drive letter for the Drive key in Windows XP. Install the Drive key after the operating system boots. Solving Internet Access Problems Solving Internet Access Problems Problem Cause Unable to connect to the Internet. Internet Service Provider (ISP) account is not set up properly - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 164
cable modem and the computers's RJ-45 connector. (If the connection is good, the "PC" LED light on the front of the cable/DSL modem will be on.) IP address is not configured properly. Contact the ISP for the correct IP address. Cookies are corrupted. Windows XP 1. Select Start > Control Panel - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 165
Troubleshooting Without Diagnostics Solving Internet Access Problems (Continued) Problem Cause Solution Internet takes too long to download Web sites. Modem is not set up properly. Verify that the correct modem speed and COM port are selected. For Windows XP 1. Select Start > Control Panel. - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 166
order in which they should be performed. Diagnostic Front Panel LEDs and Audible Codes Activity Beeps Possible Cause Recommended Action Green Power LED On. None Computer on. None Green Power LED flashes every two seconds. None Computer in Suspend to RAM mode (select models only) or normal - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 167
second pause. Pre-video graphics error. For systems with a graphics card: 1. Reseat the graphics card. Power on the system. 2. Replace the graphics card. 3. Replace the system board. For systems with integrated graphics, replace the system board. Service Reference Guide, dc5000 360201-002 D-27 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 168
Troubleshooting Without Diagnostics Diagnostic Front Panel LEDs and Audible Codes (Continued) Activity Beeps Possible Cause Recommended Action Red Power LED 7 flashes seven times, once every second, followed by a two second pause. System board failure (ROM detected failure prior to video). - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 169
on the HP Compaq Business Desktop dc5000 series computer. Designator CR1 E49 J20 - 22 P1 P3 P5 P6 P7 P8 P10 P11 P14 P16 P20 P21 P23 P24 P54 P70 SW50 XBT1 XMM1 XMM2 - XMM4 XU1 Component LED - 5V Aux Clear Password header/jumper PCI slots Power supply connector VCCP 12V header Main Power/HDD LED - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 170
System Board and Riser Board Reference Designators E-2 360201-002 Service Reference Guide, dc5000 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 171
SPD information In addition, the computer supports: ■ 128Mbit, 256Mbit, and 512Mbit non-ECC memory technologies ■ single-sided and double-sided DIMMS ■ DIMMs constructed with x8 and x16 DDR devices; DIMMs constructed with x4 SDRAM are not supported Service Reference Guide, dc5000 360201-002 F-1 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 172
system board shown below may be different from the one in your computer. Item 1 2 3 4 Description DIMM socket XMM1, Channel A DIMM socket XMM2, Channel A DIMM socket XMM3, Channel B DIMM socket XMM4, Channel B Socket Color Black Blue Black Blue F-2 360201-002 Service Reference Guide, dc5000 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 173
Memory The system will automatically operate in single channel mode or a higher-performing dual channel mode, depending on how the DIMMs are installed. ■ In single channel mode, the maximum operational speed is determined by the slowest DIMM in the system. For example, if the system is populated - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 174
Memory F-4 360201-002 Service Reference Guide, dc5000 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 175
-specific power cord set requirements B-2 customizing software 3-1 D date and time display D-2 deleting password 3-12 delimiter characters, table 3-13 deployment tools, software 3-1 device drivers, installing/upgrading 1-1 diagnostic tool for hard drives 3-18 Diagnostics for Windows categories - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 176
7-16 external security µT 6-2 SFF 7-2 F FailSafe Boot Block ROM 3-5 fan µT chassis removal and replacement 6-20 power supply 5-7 fan, SFF chassis 7-23 fault notification 3-18 file, Computer Setup heading 2-4 fingerprint identification technology 3-18 formatting disk, important information 3-17 front - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 177
keyboard lights, ROM, table 3-6 L LEDs, blinking power D-26 line-in audio pin assignments A-4 line-out audio pin assignments A-4 M Master Boot Record Security, setting 3-16 memory dual channel mode F-3 µT removal and replacement 6-10 SFF removal and replacement 7-7 menu bar, Diagnostics for Windows - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 178
drive bezel 7-6 SFF front I/O devices 7-20 SFF heatsink 7-27 SFF memory 7-7 SFF optical drive 7-13 SFF padlock 7-3 SFF PCI expansion card 7-8 SFF power supply 7-29 SFF power switch assembly 7-21 SFF primary hard drive 7-18 SFF processor 7-27 Index-4 360201-002 Service Reference Guide, dc5000 - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 179
7-28 SSM (System Software Manager) 3-3 static electricity 5-3 storage, Computer Setup heading 2-4 surge-tolerant power supply 3-18 system board designators E-1 µT removal and replacement 6-26 SFF removal and replacement 7-22 system recovery 3-5 Service Reference Guide, dc5000 360201-002 Index - HP Dc5000 | HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 180
Windows 2-13 HP 1-2, 2-17, 3-7 HP Client Manager 3-2 HP Proactive Notification 3-4 HP Security technology 3-18 HP support 2-13 HPQ Flash 3-4 PC Deployment 3-1 Remote Diagnostics Enabling Agent 2-17 Remote ROM Flash 3-4 ROMPaq images 3-4 Subscriber's Choice 3-4 System Software Manager 3-3, 3-6 System
service reference guide
hp compaq business desktop dc5000 series
2nd edition
This document provides information on the removal and replacement of all
parts as well as information on troubleshooting, Desktop Management, setup
utilities, PATA drives, safety, routine care, connector pin assignments, POST
error messages, and diagnostic indicator lights.
Document Part Number 360201-002