HP Dc5800 Service Reference Guide: HP Compaq dc5800 Business PC
HP Dc5800 - Compaq Business Desktop Manual
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- HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 1
Service Reference Guide HP Compaq dc5800 Business PC - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 2
Microsoft and Windows are trademarks of Microsoft Corporation in the U.S. and other countries. The only warranties for HP products and services are set forth consent of Hewlett-Packard Company. Service Reference Guide Business PCs First Edition (February 2008) Document Part Number: 481402-001 - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 3
or Upgrading Device Drivers 1 HP Backup and Recovery Manager ...2 2 Computer Setup (F10) Utility Computer Setup (F10) Utilities ...3 Using Computer Setup (F10) Utilities 4 Computer Setup-File ...5 Computer Setup-Storage 6 Computer Setup-Security 8 Computer Setup-Power 11 Computer Setup - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 4
Media Device 36 Dual-State Power Button ...37 HP Web Site Support ...38 Industry Standards ...38 Asset Tracking and Security ...38 Password Security ...40 Establishing a Setup Password Using Computer Setup 40 Establishing a Power-On Password Using Computer Setup 41 Entering a Power-On Password - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 5
Cable ...49 SATA Power Cable ...49 PATA Device Information ...50 ATA SMART Drives ...50 Hard Drive Capacities ...50 6 Identifying the Chassis, Routine Care, and Disassembly Preparation Chassis Designations ...51 Microtower (MT) ...51 Small Form Factor (SFF 52 Electrostatic Discharge Information - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 6
...103 Power Supply ...104 System Board ...106 Battery ...107 Type 1 Battery Holder ...108 Type 2 Battery Holder ...108 Type 3 Battery Holder ...109 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis Preparation for Disassembly ...110 External Security Devices ...111 Installing - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 7
148 Cable Routing ...152 ReadyBoost Card ...153 Inner Baffle ...154 Fan/Outer Baffle ...155 Power Switch Assembly ...156 Front I/O Device ...157 Heatsink ...158 Processor ...159 Speaker ...160 Power Supply ...161 System Board ...162 Battery ...163 Type 1 Battery Holder ...164 Type 2 Battery Holder - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 8
Front Panel LEDs and Audible Codes 188 Appendix D Password Security and Resetting CMOS Resetting the Password Jumper ...192 Clearing and Resetting the CMOS 193 Appendix E Troubleshooting Without Diagnostics Safety and Comfort ...195 Before You Call for Technical Support 195 Helpful Hints ...196 - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 9
system to the appropriate drivers. Obtain the latest support software , including support software for the operating system from http://www.hp.com/support. Select your country and language, select Download drivers and software, enter the model number of the computer, and press Enter. Installing - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 10
Backup and Recovery Manager, refer to the HP Backup and Recovery Manager User Guide by selecting Start > HP Backup and Recovery > HP Backup and Recovery Manager Manual. NOTE: You can order a Recovery Disc Set from HP by calling the HP support center. Go to the following Web site, select your region - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 11
. ● Enter the Asset Tag or property identification number assigned by the company to this computer. ● Enable the power-on password prompt during system restarts (warm boots) as well as during power-on. ● Establish a setup password that controls access to Computer Setup (F10) Utility and the settings - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 12
and Exit. ● To reset to factory settings or previously saved default settings (some models), select Apply Defaults and Exit. This option will restore the original factory system defaults. CAUTION: Do NOT turn the computer power OFF while the BIOS is saving the Computer Setup (F10) changes because - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 13
core processors have this listed twice) ● Installed memory size/speed, number of channels (single or dual) (if applicable) ● Integrated MAC address for embedded, enabled NIC (if applicable) ● System BIOS settings and clears any established passwords. Ignore Changes and Exit Exits Computer Setup - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 14
Setup-Storage NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration. Table 2-3 Computer Setup-Storage Option Description Device Configuration Lists all installed BIOS-controlled storage devices. When a device is selected, detailed information - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 15
Removable Media Write, the computer will restart. Turn the computer off, then on, manually. DPS Self-Test Allows device other than the default device specified in Boot Order, restart the computer and press F9 when the monitor light turns green. After POST is completed, a list of bootable devices - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 16
cover has been removed. Setup Password requires that the setup password be entered to boot the computer if the sensor detects that the cover has been removed. This feature is supported on some models only. See the Desktop Management Guide for more information. Device Security Allows you to set - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 17
power-on password authentication scheme that utilizes the Embedded Security Device. Changing this setting requires turning the computer off and then back on. ● Reset authentication credentials (some models) (Do not reset/Reset) Selecting Reset disables the power-on authentication support and clears - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 18
requires turning the computer off and then back on. NOTE: To enable this option, a Setup password must be set. Smart Card BIOS Password Support (some models) (enable/disable) Allows the user to enable/ disable the Smart Card to be used in place of the Setup and Power-On Passwords. This setting - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 19
feature is disabled, S4 and S5 both have the LED off. S1 (no longer supported) and S3 use 1 blink per second. Hardware Power Management SATA power management enables or disables SATA bus and/or device power management. Thermal Fan idle mode-This bar graph controls the minimum permitted fan speed - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 20
BIOS and launch HP Backup and supported on some models only.) ● Remote wakeup boot source (remote server/local hard drive). ● After Power Loss (off/on/previous state): Setting this option to: ◦ Off-causes the computer to remain powered off when power is restored. ◦ On-causes the computer to power - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 21
Value to 3. Restricts the number of CPUID functions reported by the microprocessor. Enable this feature if booting to Windows NT. Execute Memory Test Restarts the computer and executes the POST memory test. (some models) BIOS Power-On Allows you to set the computer to turn on automatically at - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 22
be used to disable multi-processor support under the OS. ● Internal speaker (some models) (does not affect external speakers) ● Monitor Tracking (enable/disable). Allows BIOS to save monitor asset information. ● NIC PXE Option ROM Download (enable/disable). The BIOS contains an embedded NIC option - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 23
a call to the Customer Support Center. NOTE: Third party devices may not be detected by HP Insight Diagnostics. Accessing HP Insight Diagnostics To access HP Insight Diagnostics, you must create a Recovery Disc Set then boot to the CD containing the utility. It can also be downloaded from http://www - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 24
other input devices connected to the computer. Memory-Shows information about all memory in the computer. This includes memory slots on the system board and any memory modules installed. Miscellaneous-Shows HP Insight Diagnostics version information, computer configuration memory (CMOS) information - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 25
number of loops, enter the number of loops to perform. If you desire to have the diagnostic test for a specified time period, enter the amount of time in minutes. 5. If performing a Quick Test or Complete Test, select the device for use if you want to cancel the test. HP Insight Diagnostics 17 - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 26
to resolve the failed hardware. ● The Failed Count is the number of times the device has failed a test. ● The Error Code provides a numerical code for the failure. The error codes are defined in the Help tab. The Clear Error Log button will clear the contents of the Error Log. Help Tab On the Help - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 27
product number (for example, dc5800) in the text box and press the Enter key. 4. Select your specific computer model. 5. Select your OS. 6. Click the Diagnostic link. 7. Click HP Insight Diagnostics Offline Edition. 8. Select a language and click Download. NOTE: The download includes instructions on - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 28
Backup and Recovery Manager, refer to the HP Backup and Recovery Manager User Guide by selecting Start > HP Backup and Recovery > HP Backup and Recovery Manager Manual. NOTE: You can order a Recovery Disc Set from HP by calling the HP support center. Go to the following Web site, select your region - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 29
of desktop management are: ● Initial configuration and deployment ● Remote system installation ● Software updating and management ● ROM flash ● Hardware option configuration ● Asset tracking and security ● Fault notification and recovery NOTE: Support for specific features described in this guide - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 30
-loaded on the computer. When installed, it enables communication with the HP management console. To install the HP Software Agent: 1. Click Start. 2. Click All Programs. 3. Click HP Manageability. 4. Click Radia Management Agent Readme. 5. Review and follow the instructions contained in the Readme - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 31
Installation, press F12 when the F12 = Network Service Boot message appears in the lower-right corner of the HP logo screen when the computer is booting up. Follow the instructions on the screen to continue the process. The default boot order is a BIOS configuration setting that can be changed to - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 32
how you manage your HP client computers. HP Client Management Interface used in conjunction with system management software can: ● Request in-depth client inventory information-Capture detailed information about the processors, hard drives, memory, BIOS, drivers, including sensor information (such - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 33
may be preinstalled, preloaded, or available for download from the HP Web site. For select HP Compaq Desktops, HP ProtectTools is available as an after market option. Visit http://www.hp.com for more information. NOTE: The instructions in this guide are written with the assumption that you have - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 34
editions: ● The Basic Edition is a free product for managing HP desktops, notebooks and workstations, providing hardware and software inventory, remote control, HP alert monitoring, HP BIOS and driver updates, integration with HP Protect Tools and add-on support for Intel AMT. The Basic Edition also - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 35
drivers and BIOS updates without visiting each PC ● Remotely configure BIOS and security settings ● Automate processes to quickly resolve hardware problems Tight integration with HP Instant Support tools reduces hardware troubleshooting time. ● Diagnostics-remotely run & view reports on HP desktop - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 36
Backup and Recovery Manager, refer to the HP Backup and Recovery Manager User Guide by selecting Start > HP Backup and Recovery > HP Backup and Recovery Manager Manual. NOTE: You can order a Recovery Disc Set from HP by calling the HP support center. Go to the following Web site, select your region - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 37
, see the white papers at http://www.hp.com/ support. Select your country and language, select See support and troubleshooting information, enter the model number of the computer, and press Enter. In the Resources category, click Manuals (guides, supplements, addendums, etc.). Under Quick jump to - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 38
enabling administrators to easily implement energy saving strategies across their networks. An HP SoftPaq containing the Surveyor agent may be downloaded from the HP Support site and installed on supported commercial desktop models. Surveyor licenses for managing PCs may be purchased through your - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 39
integrity of the computer. Should you need or want to upgrade the BIOS, you may download the latest BIOS images from the HP driver and support page, http://www.hp.com/support/files. CAUTION: For maximum ROM protection, be sure to establish a setup password. The setup password prevents unauthorized - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 40
://www.hp.com/support/files and enter the model number of the computer when prompted. Boot Block Emergency Recovery Mode Boot Block Emergency Recovery Mode permits system recovery in the unlikely event of a ROM flash failure. For example, if a power failure were to occur during a BIOS upgrade, the - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 41
copy. Turn off the computer. If you are in Windows, click Start > Shut Down > Shut Down. 2. If you are using a USB flash media device, insert it now. 3. Turn on the computer. 4. As soon as the computer is turned on, press F10 when the monitor light turns green to enter Computer Setup. Press Enter to - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 42
or USB flash media device. 8. Download a BIOS utility for replicating setup (repset.exe) and copy it onto the configuration diskette or USB flash media device. To obtain this utility, go to http://welcome.hp.com/country/us/en/ support.html and enter the model number of the computer. 9. On the - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 43
can occur. Check all USB ports for additional storage devices. If any are found, remove them, reboot the computer, and proceed from step 4. If none are found, either the system does not support the USB flash media device or the USB flash media device is defective. DO NOT proceed in attempting to - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 44
USB ports and remove all other USB storage devices except USB diskette drives. Close the computer cover. 4. Plug in the power cord and turn on the computer. 5. As soon as the computer is turned on, press F10 when the monitor light turns green to enter Computer Setup. Press Enter to bypass the title - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 45
for instructions. If you have used a DOS version from Windows 9x, you may see a brief Windows logo screen. If you do not want this screen, add a zero-length file named LOGO.SYS to the root directory of the USB flash media device. Return to Copying to Multiple Computers on page 33. Dual-State Power - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 46
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 the HP computer. Industry Standards HP management solutions integrate with - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 47
the setup password be entered to boot the computer if the sensor detects that the cover has been removed. Embedded Security Allows you to: ● Enable/disable the Embedded Security device. ● Reset the device to Factory Settings. This feature is supported on some models only. See the HP ProtectTools - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 48
know the power-on password, even if one has been established. Establishing a Setup Password Using Computer Setup If the system is equipped with an embedded security device, refer to the HP ProtectTools Security Manager Guide at http://www.hp.com. Establishing a setup password through Computer Setup - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 49
do not press F10 at the appropriate time, you must restart the computer and again press F10 when the monitor light turns green to access the utility. 3. Select Security, then Power-On Password and follow the instructions on the screen. 4. Before exiting, click File > Save Changes and Exit. Entering - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 50
system is equipped with an embedded security device, refer to the HP ProtectTools Security Manager Guide at http://www.hp.com. 1. Turn on or restart the computer. If you are in Windows, click Start > Shut Down > Restart the Computer. 2. To change the Power-On password, go to step 3. To change the - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 51
U.S. English Clearing Passwords If you forget the password, you cannot access the computer. Refer to the Troubleshooting Guide for instructions on clearing passwords. If the system is equipped with an embedded security device, refer to the HP ProtectTools Security Manager Guide at http://www.hp.com - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 52
to enter a correct password. On a cold boot, if neither attempt succeeds, POST will continue but the drive will remain inaccessible. On a warm boot or restart from Windows, if neither attempt succeeds, POST will halt and the user will be instructed to cycle power. DriveLock Applications The most - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 53
cover or side panel has been removed. You must enter the setup password to continue. NOTE: These settings can be changed using Computer Setup. For more information about Computer Setup, see the Computer Setup (F10) Utility Guide. Setting the Smart Cover Sensor Protection Level To set the Smart - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 54
To obtain the FailSafe Key, do any one of the following: ● Contact an authorized HP reseller or service provider. ● Call the appropriate number listed in the warranty. For more information about using the Smart Cover FailSafe Key, consult the Hardware Reference Guide. 46 Chapter 4 Desktop Management - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 55
The 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. Surge-Tolerant Power Supply An integrated surge-tolerant power supply provides greater reliability when the computer is - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 56
Hard Drive Characteristics Number of pins/conductors in data cable Number of pins in power cable Maximum data coded to make identification easier. SATA Identification Primary channel, device 0 Primary channel, device 1 Secondary channel, device 0 Secondary channel, device 1 Color Dark blue Light - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 57
drives. Current HP desktop products ship and 4 transmit/receive pins. Pin Number Usage P1 Ground P2 A+ P3 A- Device Plug Ground Transmit data Transmit data Ground Receive data Receive data Ground Host Plug Ground Receive data Receive data Ground Transmit data Transmit data Ground SATA Power - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 58
Device Information The USDT model is the only product that supports a PATA optical drive. No PATA drives are supported on any other model. ATA SMART Drives The Self Monitoring Analysis and Recording Technology (SMART) ATA drives for the HP Personal Computers Windows 2000/XP/Vista Windows 2000/XP/ - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 59
for proper service. CAUTION: When the computer is plugged 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. Chassis Designations Microtower (MT - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 60
Small Form Factor (SFF) 52 Chapter 6 Identifying the Chassis, Routine Care, and Disassembly Preparation - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 61
life expectancy. Networks built into many integrated circuits provide some protection, but in many cases, the discharge contains enough power to alter device parameters or melt silicon junctions. Generating Static The following table shows that: ● Different activities generate different amounts of - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 62
PCB laminate. Handle them only at static-free work areas. ● Turn off power and input signals before inserting and removing connectors or test equipment. ● Use such as ordinary plastic assembly aids and Styrofoam. ● Use field service tools, such as cutters, screwdrivers, and vacuums, that are - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 63
tie to ground ● Field service kits ● Static awareness desktop unit as this also restricts airflow. ● Occasionally clean the air vents on all vented sides of the computer computer and keyboard. ● Never cover the ventilation slots on the monitor with any type of material. ● Install or enable power - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 64
To clean the computer case, follow the procedures described below: ● To remove light stains or dirt, use plain water with a clean, lint-free cloth or swab. ● For stronger stains, use a mild dishwashing liquid diluted with water. Rinse well by wiping it with a cloth or swab dampened with clear water - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 65
the power cord from the power source before opening the computer to prevent system board or component damage. Tools and Software Requirements To service the computer, you need the following: ● Torx T-15 screwdriver (HP screwdriver with bits, PN 161946-001) ● Torx T-15 screwdriver with small diameter - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 66
PN 166527-001) or HP tamper- resistant bits (Smart Cover FailSafe Key, PN 166527-002) Screws The screws used in the computer are not interchangeable. snagged by parts being removed or replaced. CAUTION: When servicing this computer, ensure that cables are placed in their proper location during the - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 67
computer provides power to the real-time clock and has a minimum lifetime of about three years. See the appropriate removal and replacement chapter for the chassis you are working on in this guide for instructions them to HP, their authorized partners, or their agents. Service Considerations 59 - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 68
all computers. Serial Number Location Each computer has a unique serial number and product ID number that are located on the top cover of the computer. Keep these numbers available for use when contacting customer service for assistance. 60 Chapter 7 Removal and Replacement Procedures Microtower (MT - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 69
the "Standby," or "Suspend" modes. The power cord should always be disconnected before servicing a unit. 6. Disconnect the power cord from the electrical outlet and then from the computer. 7. Disconnect all peripheral device cables from the computer. 8. Lay the computer down on its side to achieve - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 70
External Security Devices The following security devices are used to prevent unauthorized access to the internal components of the computer and/or secure the computer to a fixed object. Cable Lock Padlock 62 Chapter 7 Removal and Replacement Procedures Microtower (MT) Chassis - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 71
HP Business PC Security Lock 1. Fasten the security cable by looping it around a stationary object. 2. Thread the keyboard and mouse cables through the lock. External Security Devices 63 - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 72
3. Screw the lock to the chassis using the screw provided. 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. 64 Chapter 7 Removal and Replacement Procedures Microtower (MT) Chassis - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 73
Front Bezel Security The front bezel can be locked in place by installing a security screw provided by HP. The security screw is located on the fan duct inside the chassis. To lock the front bezel, remove the security screw from the fan duct (1) - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 74
on page 61). CAUTION: Before removing the computer access panel, ensure that the computer is turned off and that the power cord is disconnected from the electrical outlet. 2. Loosen the captive thumbscrew (1) that secures the access panel to the computer chassis. 3. Slide the access panel back - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 75
for disassembly (Preparation for Disassembly on page 61). 2. Remove the computer access panel (Computer Access Panel on page 66). 3. Press outward on the two latches on the right side of the bezel and the single latch on the left - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 76
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. ● Keep cables clear cage, power supply, or computer cover to push cables - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 77
P6, SPKR P150, MEDIA CARD P11, REAR FAN, red/maroon P12, FRONT_AUD, white Internal speaker Media card reader Rear fan Front audio Power Supply Cable Connections Power Supply Connector ID P1 P3 P4 P5 P6 P8 P9 P10 P11 Description Main power CPU power 1st Hard drive, SATA0 2nd HDD PATA/Zip/Media - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 78
the mandatory JEDEC SPD information In addition, the computer supports: ● 512Mbit and 1Gbit 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 NOTE: The system will not operate properly - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 79
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. Static electricity can damage the electronic components of the computer or optional cards - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 80
(3). 5. Repeat steps 3 and 4 for any additional modules that you want to install. NOTE: The computer automatically recognizes the additional memory when turned on. To reassemble the computer, reverse the removal procedure. 72 Chapter 7 Removal and Replacement Procedures Microtower (MT) Chassis - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 81
has one standard PCI expansion slot that can accommodate an expansion card up to 17.46 cm (6.875 inches) in length. The computer also has two PCI Express x1 expansion slots and one PCI Express x16 expansion slot. Item 1 2 3 4 Description PCI Express x1 expansion slot PCI Express x1 - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 82
4. On the rear of the computer, a slot cover lock secures the expansion card brackets and expansion slot covers in place. Lift up on the tab at chassis. Pull the slot cover straight up then away from the inside of the chassis. 74 Chapter 7 Removal and Replacement Procedures Microtower (MT) Chassis - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 83
b. If you are removing a standard PCI card, hold the card at each end, and carefully rock it back and forth until the connectors pull free from the socket. Pull the expansion card straight up from the socket (1) then away from the inside of the chassis (2) to release it from the chassis frame. Be - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 84
to the installed card, if needed. Connect internal cables to the system board, if needed. 11. Reconfigure the computer, if necessary. Refer to the Computer Setup (F10) Utility Guide for instructions on using Computer Setup. 76 Chapter 7 Removal and Replacement Procedures Microtower (MT) Chassis - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 85
before the light blue SATA4 and ● The system does not support Parallel ATA (PATA) optical power supply. The hard drive uses 6-32 isolation mounting guide screws. All other drives use M3 metric screws. The HP-supplied metric guide screws (1) are black. The HP-supplied 6-32 isolation mounting guide - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 86
a drive, shut down the operating system properly, turn off the computer, and unplug the power cord. Do not remove a drive while the computer is on or in standby mode. Before handling a drive, ensure "Fragile: Handle With Care." 78 Chapter 7 Removal and Replacement Procedures Microtower (MT) Chassis - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 87
. System Board Connector 1 SATA0 2 SATA1 3 SATA4 4 SATA5 5 Diskette Drive 6 Media Card Reader System Board Label SATA0 SATA1 SATA4 SATA5 FLOPPY MEDIA Color dark blue white light blue orange black black Drives 79 - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 88
3.5-inch internal hard drive bay for optional hard drive To verify the type and size of the storage devices installed in the computer, run Computer Setup. Refer to the Computer Setup (F10) Utility Guide for more information. 80 Chapter 7 Removal and Replacement Procedures Microtower (MT) Chassis - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 89
page 61). 2. Remove the computer access panel (Computer Access Panel on page 66). 3. Remove the front bezel (Front Bezel on page 67). 4. Disconnect the drive cables, as indicated in the following illustrations. a. If you are removing a 5.25-inch optical drive, disconnect the power cable (1) and data - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 90
release tab on the latch drive bracket (1) for the drive you want 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. 82 Chapter 7 Removal and Replacement Procedures - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 91
if needed. NOTE: Optical drives, diskette drives, and media card readers use M3 metric guide screws. Four extra metric guide screws are provided on the interior of the chassis frame next to the power supply. The HP-supplied metric screws are black. Refer to Drives on page 77 for an illustration of - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 92
the drive bay, making sure to align the guide screws with the guide slots, until the drive snaps into place. 4. Connect the power and data cables to the drive as indicated in the following illustrations. a. If you are installing an optical drive, connect the power cable (1) and data cable (2) to the - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 93
b. If you are installing a diskette drive, connect the data cable (1) and power cable (2) to the back of the drive. 5. If installing a new drive, connect the opposite end of the data cable to the appropriate system board connector. - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 94
select Start > HP Backup and Recovery and create it now. 1. Prepare the computer for disassembly (Preparation for Disassembly on page 61). 2. Remove the computer access panel (Computer Access Panel on page 66). 3. Remove the front bezel (Front Bezel on page 67). 4. Disconnect the power cable (1) and - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 95
interior of the chassis frame next to the power supply. NOTE: The hard drive uses 6-32 isolation mounting guide screws. Four extra guide screws are installed on the interior of the chassis frame next to the power supply. The HP-supplied isolation mounting guide screws are silver and blue. Refer to - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 96
performance problems. If power cord and any external devices, then turn on the computer. 8. Lock any security devices that were disengaged when the access panel was removed. NOTE: If you are replacing the primary hard drive, use the Recovery Disc Set to restore the operating system, software drivers - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 97
, make sure you have created a Recovery Disc Set to restore the operating system, software drivers, and any software applications that were preinstalled on the computer. If you do not have this CD set, select Start > HP Backup and Recovery and create it now. 1. Unlock the hard drive carrier with the - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 98
3. Remove the adhesive strip that secures the thermal sensor to the top of the hard drive (1) and move the thermal sensor away from the carrier (2). 4. Remove the four screws from the bottom of the hard drive carrier. 90 Chapter 7 Removal and Replacement Procedures Microtower (MT) Chassis - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 99
5. Slide the hard drive back to disconnect it from the carrier then lift it up and out of the carrier. 6. Place the new hard drive in the carrier then slide the hard drive back so that it seats in the SATA connector on the carrier's circuit board. Be sure the connector on the hard drive is pressed - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 100
cover the label (1) and attach the thermal sensor to the top of the hard drive with the adhesive strip (2). 92 Chapter 7 Removal and Replacement Procedures Microtower (MT) Chassis - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 101
the screw on the rear of the carrier to secure the cover in place (2). 10. Slide the hard drive carrier into the enclosure on the computer and lock it with the key provided. NOTE: The carrier must be locked for power to be supplied to the hard drive. Drives 93 - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 102
the computer access panel (Computer Access Panel on page 66). 3. Disconnect the main power cable from the system board and push it aside. 4. Use tweezers or a small in place. 3. Connect the main power cable to the system board. 94 Chapter 7 Removal and Replacement Procedures Microtower (MT) Chassis - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 103
Disassembly on page 61). 2. Remove the computer access panel (Computer Access Panel on page 66). 3. Remove the hard drive cable from the clip on top of the baffle. 4. Slide the baffle toward the rear of the chassis until the tab on the top of the baffle clears the slot on the fan baffle - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 104
for disassembly (Preparation for Disassembly on page 61). 2. Remove the computer access panel (Computer Access Panel on page 66). 3. Unplug the fan cable from the system board (CHFAN, P9). the cable back into the system board. 96 Chapter 7 Removal and Replacement Procedures Microtower (MT) Chassis - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 105
for disassembly (Preparation for Disassembly on page 61). 2. Remove the computer access panel (Computer Access Panel on page 66). 3. Remove the front bezel (Front Bezel on page 67). 4. Disconnect the front I/O cable from the blue system board connector (P6) - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 106
Power Switch/LED Assembly 1. Prepare the computer for disassembly (Preparation for Disassembly on page 61). 2. Remove the computer access panel (Computer Access Panel on page 66). 3. Remove the front bezel (Front into place. 98 Chapter 7 Removal and Replacement Procedures Microtower (MT) Chassis - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 107
for disassembly (Preparation for Disassembly on page 61). 2. Remove the computer access panel (Computer Access Panel on page 66). 3. Unplug the fan cable from the system board (CPUFAN, P8). 4. Loosen the four silver T15 captive screws that secure the - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 108
for disassembly (Preparation for Disassembly on page 61). 2. Remove the computer access panel (Computer Access Panel on page 66). 3. Remove the heatsink (Heatsink on page 99). 4. Rotate the pad and place it atop the processor. 100 Chapter 7 Removal and Replacement Procedures Microtower (MT) Chassis - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 109
onto the system board, always update the system ROM to ensure that the latest version of the BIOS is being used on the computer. The latest system BIOS can be found on the Web at: http://h18000.www1.hp.com/support/files. Speaker 1. Prepare the computer for disassembly (Preparation for Disassembly - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 110
for disassembly (Preparation for Disassembly on page 61). 2. Remove the computer access panel (Computer Access Panel on page 66). 3. Disconnect the fan control cable from the system board (P11, POWER FAN). 4. Remove the four silver Phillips screws that secure the fan to the chassis. 5. Lift the - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 111
you can use expansion card removal and replacement procedures to remove and install it. 1. Prepare the computer for disassembly (Preparation for Disassembly on page 61). 2. Remove the computer access panel (Computer Access Panel on page 66). 3. Disconnect the serial port cable from the system board - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 112
Remove the computer access panel (Computer Access Panel on page 66). 3. Disconnect all power cables from the drives and from the system board. 4. Remove the four silver T15 screws that connect the power supply to the chassis. 104 Chapter 7 Removal and Replacement Procedures Microtower (MT) Chassis - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 113
tab in front of the power supply that holds it in place. 6. Slide the power supply toward the front of the computer, rotate toward the fan so the power supply clears the lip on the top of the chassis, and then lift the power supply out of the chassis. To install the power supply, reverse the removal - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 114
board toward the front of the computer to disengage the I/O panel from the rear of the chassis. 8. Lift the system board out of the computer. When reinstalling the system board, change the chassis serial number in the BIOS. 106 Chapter 7 Removal and Replacement Procedures Microtower (MT) Chassis - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 115
only with the HP spare designated for this product. CAUTION: Before replacing the battery, it is important to back up the computer CMOS settings. When the battery is removed or replaced, the CMOS settings will be cleared. Refer to the Computer Setup (F10) Utility Guide for information on backing - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 116
the battery in the proper position. 4. Replace the computer access panel. 5. Plug in the computer and turn on power to the computer. 6. Reset the date and time and any special system setups using Computer Setup. Refer to the Computer Setup (F10) Utility Guide. Type 2 Battery Holder 1. To release the - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 117
2. Insert the new battery and position the clip back in place. 3. Replace the computer access panel. 4. Plug in the computer and turn on power to the computer. 5. Reset the date and time and any special system setups using Computer Setup. Refer to the Computer Setup (F10) Utility Guide. Battery 109 - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 118
8 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 - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 119
devices are used to prevent unauthorized access to the internal components of the computer and/or secure the computer to a fixed object. Installing a Security Lock The security locks displayed below and on the following pages can be used to secure the computer. Cable Lock External Security Devices - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 120
Padlock 112 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 121
HP Business PC Security Lock 1. Fasten the security cable by looping it around a stationary object. 2. Thread the keyboard and mouse cables through the lock. External Security Devices 113 - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 122
3. Screw the lock to the chassis using the screw provided. 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. 114 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 123
Front Bezel Security The front bezel can be locked in place by installing a security screw provided by HP. The security screw is located on the fan duct inside the chassis. To lock the front bezel, remove the security screw from the fan duct (1) - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 124
). 2. Press the buttons on the left and right sides of the computer (1) then slide the access panel back until it stops and lift it up and off the chassis (2). To install the access panel, reverse the removal procedure. 116 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 125
disassembly (Preparation for Disassembly on page 110). 2. Remove the access panel (Computer Access Panel on page 116). 3. Lift up the green latch behind the upper right side of the bezel and push down on the latch behind - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 126
drive. To remove a bezel blank: 1. Prepare the computer for disassembly (Preparation for Disassembly on page 110). 2. Remove the access panel (Computer Access Panel on page 116). 3. Remove the front the front bezel. 118 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 127
Using the Small Form Factor Computer in a Tower Orientation The Small Form Factor computer can be used in a tower orientation. The HP logo plate on the front bezel is adjustable for either desktop or tower orientation. 1. Prepare the computer for disassembly (Preparation for Disassembly on page 61). - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 128
the computer in a tower orientation, HP recommends the use of the optional tower stand. NOTE: Ensure at least 10.2 centimeters (4 inches) of space on all sides of the computer remains clear and free of obstructions. 120 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 129
the mandatory JEDEC SPD information In addition, the computer supports: ● 512Mbit and 1Gbit 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 NOTE: The system will not operate properly - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 130
of memory assigned to dual channel and the remainder is assigned to single channel. For optimal speed, the channels should be balanced so that the largest amount of memory is spread between the two channels. If one channel 122 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 131
of the power-on state, voltage is always supplied to the memory modules as long as the computer is plugged into an active AC outlet. Adding or removing memory modules while voltage is present may cause irreparable damage to the memory modules or system board. If you see an LED light on the - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 132
Make sure the latches are in the closed position (3). 6. Repeat steps 4 and 5 to install any additional modules. The computer should automatically recognize the additional memory the next time you turn on the computer. 124 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 133
an expansion card up to 17.46 cm (6.875 inches) in length. The computer also has two PCI Express x1 expansion slots and one PCI Express x16 expansion slot. NOTE: The PCI and PCI Express slots support only low profile cards. Item 1 2 3 4 Description PCI Express x16 expansion slot PCI expansion - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 134
the back of the chassis. Pull the slot cover straight up then away from the inside of the chassis. 126 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 135
b. If you are removing a standard PCI card, hold the card at each end, and carefully rock it back and forth until the connectors pull free from the socket. Pull the expansion card straight up from the socket (1) then away from the inside of the chassis (2) to release it from the chassis frame. Be - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 136
in the expansion card slot. 9. Rotate the slot cover retention latch back in place to secure the expansion card. 128 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 137
. Connect internal cables to the system board, if needed. 11. Reconfigure the computer, if necessary. Refer to the Computer Setup (F10) Utility Guide for instructions on using Computer Setup. Cable Management The Small Form Factor chassis is very compact and proper routing of the internal cables is - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 138
130 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 139
Cable Connections System board connectors are color-coded to make it easier to find the proper connection. Cable Power Supply Power Supply Power Supply Power Supply Power Supply Power Supply To System board, 24-pin CPU power, 4-pin 1st Hard drive 1st Optical drive 2nd hard drive 2nd Optical drive - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 140
hard drive covered by a bezel blank. To verify the type, size, and capacity of the storage devices installed in the computer, run Computer Setup. Refer to the Computer Setup (F10) Utility Guide for more information. 132 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 141
SATA0 and white SATA1 connectors before the light blue SATA4 and orange SATA5 connectors. ● not support Parallel ATA (PATA) optical drives or PATA hard drives. ● You must install guide screws M3 metric screws. The HP-supplied metric screws are black and the HP-supplied standard screws are silver - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 142
drive, shut down the operating system properly, turn off the computer, and unplug the power cord. Do not remove a drive while the computer is on or in standby mode. Before handling a drive, ensure : Handle With Care." 134 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 143
. System Board Connector 1 SATA0 2 SATA1 3 SATA4 4 SATA5 5 Diskette Drive 6 Media Card Reader System Board Label SATA0 SATA1 SATA4 SATA5 FLOPPY MEDIA Color dark blue white light blue orange black black Drives 135 - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 144
on page 110). 2. Remove the access panel (Computer Access Panel on page 116). 3. Rotate the drive cage to its upright position. 4. Disconnect the power cable (1) and data cable (2) from the rear of the optical drive. 136 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 145
, reverse the removal procedure. When replacing a drive, transfer the four guide screws from the old drive to the new one. Installing an Optical drive: 1. Prepare the computer for disassembly (Preparation for Disassembly on page 110). 2. Remove the access panel (Computer Access Panel on page 116 - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 146
M3 metric guide screws from the old drive to the new one. 5. Position the guide screws on the drive into the J-slots in the drive bay. Then slide the drive toward the front of the computer until it locks into place. 138 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 147
of the drive cage. The other is located on the chassis frame under the drive cage. Ensure that the data cable is routed through these guides before connecting it to the optical drive. 9. Connect the power cable (1) and data cable (2) to the rear of the optical drive. Drives 139 - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 148
Optical Drive on page 136 to remove the optical drive and access the 3.5-inch drive. CAUTION: Ensure that the computer is turned off and that the power cord is disconnected from the electrical outlet before proceeding. 140 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 149
2. Disconnect the drive cables, as indicated in the following illustrations: a. If you are removing a diskette drive, disconnect the data cable (1) and power cable (2) from the back of the drive. b. If you are removing a media card reader, disconnect the USB cable from the system board. Drives 141 - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 150
metric screws are black and the HP-supplied 6-32 standard screws are silver. Refer to Installing and Removing Drives on page 133 for illustrations of the guide screw locations. 1. Follow the procedure more information. 142 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 151
3. Position the guide screws on the drive into the J-slots in the drive bay. Then slide the drive toward the front of the computer until it locks into place. 4. Connect the appropriate drive cables: a. If installing a diskette drive, connect the power and data cables to the rear of the drive and - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 152
restore the operating system, software drivers, and any software applications that were preinstalled on the computer. If you do not have this CD set, select Start > HP Backup and Recovery and create it now. The preinstalled 3.5-inch hard drive is located under the power supply. To remove and replace - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 153
4. Rotate the power supply to its upright position. The hard drive is located beneath the power supply. 5. Disconnect the power cable (1) and data cable (2) from the back of the hard drive. Drives 145 - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 154
it stops, then lift the drive up and out of the bay (2). 7. To install a hard drive, you must transfer the silver and blue isolation mounting guide screws from the old hard drive to the new hard drive. 146 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 155
SATA and power cables through the cable guide on the power supply down to their normal positions. NOTE: If you are replacing the primary hard drive, use the Recovery Disc Set to restore the operating system, software drivers, and any software applications that were preinstalled on the computer - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 156
to restore the operating system, software drivers, and any software applications that were preinstalled on the computer. If you do not have this CD set, select Start > HP Backup and Recovery and create it carrier (2). 148 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 157
4. Remove the four screws from the bottom of the hard drive carrier. 5. Slide the hard drive back to disconnect it from the carrier then lift it up and out of the carrier. Drives 149 - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 158
's circuit board. 7. Replace the four screws in the bottom of the carrier to hold the drive securely in place. 150 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 159
the screw on the rear of the carrier to secure the cover in place (2). 10. Slide the hard drive carrier into the enclosure on the computer and lock it with the key provided. NOTE: The carrier must be locked for power to be supplied to the hard drive. Drives 151 - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 160
Cable Routing When servicing the computer, please note the original locations of the cables and all cables to their proper locations when reassembling the computer. The image below illustrates proper cable routing. 152 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 161
is secured to the chassis, and a cable connects the card to the system board. 1. Prepare the computer for disassembly (Preparation for Disassembly on page 110). 2. Remove the access panel (Computer Access Panel on page 116). 3. Unplug the ReadyBoost cable from the system board, and then lift the - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 162
out of the chassis. To install the inner baffle, reverse the removal procedure. When reinstalling the inner baffle, be careful of the location of the power switch wire. 154 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 163
for disassembly (Preparation for Disassembly on page 110). 2. Remove the access panel (Computer Access Panel on page 116). 3. Remove the front bezel (Front Bezel on page 117 fan/outer baffle, reverse the removal procedure. Be careful of the power switch wires when reinstalling. Fan/Outer Baffle 155 - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 164
procedure. When installing the power switch, replace the LEDs first. You may need to first insert one clip and the power button, then use a small flat-blade screwdriver to help guide the other clip into its slot. 156 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 165
the front I/O device. 1. Prepare the computer for disassembly (Preparation for Disassembly on page 110). 2. Remove the access panel (Computer Access Panel on T15 screw that secures the front I/O device to the chassis. 7. Pull the device from the chassis and guide the cables through the hole to remove - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 166
(Preparation for Disassembly on page 110). 2. Remove the access panel (Computer Access Panel on page 116). 3. Disconnect the heatsink fan control cable to install the fan shroud may cause the computer to overheat. 158 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 167
Preparation for Disassembly on page 110). 2. Remove the access panel (Computer Access Panel on page 116). 3. Remove the heatsink (Heatsink on processor and the bottom of the heatsink with an alcohol pad supplied in the spares kit. After the alcohol has evaporated, apply thermal grease to the - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 168
version of the BIOS is being used on the computer. The latest system BIOS can be found on the Web at: http://h18000.www1.hp.com/support/files. Speaker 1. Prepare the computer for disassembly (Preparation the speaker. 160 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 169
the access panel (Computer Access Panel on page 116). 3. Rotate the drive cage up and disconnect the power cables from all of the drives. 4. Disconnect the power cables from the system board. Ensure you have disconnected all power supply cables. 5. Release the power supply cables from the cable - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 170
must change the chassis serial number in the BIOS. NOTE: The heatsink supplied in the spares kit. After the alcohol has evaporated, apply thermal grease to the top of the processor from the syringe supplied in the spares kit. 162 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 171
of the drive cage or power supply. Battery The battery that comes with your computer provides power to the real-time clock cleared. Refer to the Computer Setup (F10) Utility Guide for information on backing up the CMOS settings. NOTE: HP encourages customers to recycle used electronic hardware, HP - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 172
the proper position. 4. Replace the computer 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. Type 2 Battery Holder 1. To release - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 173
battery and position the clip back in place. 3. Replace the computer access panel. 4. Plug in the computer and turn on power to the computer. 5. Reset the date and time, your passwords, and any special system setups, using Computer Setup. Refer to the Computer Setup (F10) Utility Guide. Battery 165 - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 174
A 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 Pin Signal 1 Data 2 Unused 3 Ground 4 +5 VDC 5 Clock 6 Unused - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 175
Ethernet RJ-45 Connector and Icon Ethernet AUI Connector and Icon Pin Signal 1 Ground 2 Negative AUI Differential Collision 3 Positive AUI Differential Collision 4 Negative AUI Differential Transmit 5 Positive AUI Differential Transmit 6 Ground 7 Ground 8 Negative AUI Differential - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 176
IN 18-25 Signal Ground Serial Interface, Powered and Non-Powered Connector and Icon Pin Signal 1 Carrier Detect (12V if powered) 2 Receive Data 3 Transmit Data 4 Data Terminal Ready 5 Signal Ground 6 Data Set Ready 7 Request to Send 8 Clear to Send 9 Ring Indicator (5V if - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 177
and Icon Microphone Connector and Icon (1/8" miniphone) 1 23 Headphone Connector and Icon (1/8" miniphone) 1 23 Line-in Audio Connector and Icon (1/8" miniphone) 1 23 Line-out Audio Connector and Icon (1/8" miniphone) 1 23 Pin Signal 1 +5 VDC 2 - Data 3 + Data 4 Ground Pin 1 (Tip) 2 (Ring - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 178
Monitor Connector and Icon Pin Signal 1 Transmit 2 Receive 3 Ground 4 5V 5 Mode 6 Not Used 7 Not Used 8 Not Used Pin Signal 1 Red Analog 2 Green Analog 3 Blue Analog 4 Not used 5 Ground 6 Ground 7 Ground 8 Ground Pin Signal 9 +5V (fused) 10 Ground 11 Not - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 179
ATA/ATAPI (IDE) Standard Drive Cable Connector Pin Signal 1 Reset 2 Ground 3 DD7 4 DD8 5 DD6 6 DD9 7 DD5 8 DD10 9 DD4 10 DD11 11 DD3 12 DD12 13 DD2 14 DD13 Pin Signal 15 DD1 16 DD14 17 - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 180
CD-ROM 50-Pin Connector Connector Pin Signal 1 Audio L-ch 2 Audio R-ch 3 Audio GND 4 GND 5 RESET 6 DD8 7 DD7 8 DD9 9 DD6 10 DD10 11 DD5 12 DD11 13 DD4 24-Pin Power Connector 24 12 Pin Signal 1 +3.3V 2 +3.3V 3 GND 4 +5V 5 GND 6 +5V Pin Signal 14 DD12 15 DD3 16 - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 181
3V Pin Signal 19 GND 20 +3.3V 21 Sense 22 +3.3V 23 +3.3V 24 GND 4-Pin Power (for CPU) Connector and Icon Pin Signal 1 GND 2 GND 3 +12V CPU 4 -12V CPU 6-Pin Power (for CPU) (CMT, SFF) Connector and Icon 4 6 Pin Signal 1 GND 2 GND 3 GND 4 12V CPU 5 12V CPU 6 +12V 24-Pin - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 182
Connector Pin Signal S1 Ground S5 BP1 Ground P5 BP9 V 5 P13 V 12 S = Data, P = Power Pin Signal S2 A+ S6 B+ P2 V 3.3 P6 Ground P10 Ground P14 V12 PCI Express x1, x4, x8, and x16 PCI Express Connector Pin Signal S3 AS7 - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 183
52 PERp8 57 PERn9 53 PERN8 58 GND 54 GND 59 GND 55 GND 60 PERp10 76 PERp14 81 PERn15 77 PERn14 82 GND 78 GND 79 GND 80 PERp15 NOTE: x1 PCI Express uses pins 1-18 x4 PCI Express uses pins 1-32 x8 PCI Express uses pins 1-49 x16 PCI Express uses pins 1-8 62 GND 63 GND 64 PERp11 65 - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 184
52 GND 57 GND 53 GND 58 PETp10 54 PETp9 59 PETn10 55 PETn9 60 GND 76 GND 81 PRSNT2# 77 GND 82 RSVD 78 PETp15 79 PETn15 80 GND NOTE: x1 PCI Express uses pins 1-18 x4 PCI Express uses pins 1-32 x8 PCI Express uses pins 1-49 x16 PCI Express uses pins 1-8 62 PETp11 63 PETn11 64 GND 65 - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 185
DDC Data 8 No Connect 9 T.M.D.S. Data1- 10 T.M.D.S. Data1+ 11 T.M.D.S. Data1/3 Shield 12 T.M.D.S. Data3- Pin Signal 13 T.M.D.S. Data3+ 14 +5V Power 15 Ground (for +5V) 16 Hot Pug Detect 17 T.M.D.S. Data0- 18 T.M.D.S. Data0+ 19 T.M.D.S. Data0/5 Shield 20 T.M.D.S. Data5- 21 - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 186
B Power Cord Set Requirements The power supplies on some computers have external power switches. The voltage select switch feature on the computer permits it to operate from any line voltage between 100-120 or 220-240 volts AC. Power supplies on those computers that do not have external power - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 187
must be Type HO5VV-F, 3-conductor, 0.75mm2 conductor size. Power cord set fittings (appliance coupler and wall plug) must bear Appliance coupler, flexible cord, and wall plug must bear a "T" mark and registration number in accordance with the Japanese Dentori Law. Flexible cord must be Type VCT or - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 188
C POST Error Messages This appendix lists the error codes, error messages, and the various indicator light and audible sequences that you may encounter during Power-On Self-Test (POST) or computer restart, the probable source of the problem, and steps you can take to resolve the error condition. - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 189
DMA or timers. 1. Clear CMOS. (See Appendix B, Password Security and Resetting CMOS on page 191.) 2. Remove expansion boards. 3. Replace the system board. 110-Out of Memory Space for Option ROMs Recently added PCI expansion card contains 1. an option ROM too large to download during POST. If - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 190
time or date in configuration memory. RTC (real-time clock) battery may need to be replaced. Reset the date and time under Control Panel (Computer Setup can also be used). If the problem persists, replace the RTC battery. See the Hardware Reference Guide for instructions on installing a new battery - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 191
-Diskette Controller Error Diskette controller circuitry or floppy drive circuitry incorrect. 1. Run Computer Setup. 2. Check and/or replace cables. 3. Clear CMOS. (See Appendix B, Password Security and Resetting CMOS on page 191.) 4. Replace diskette drive. 5. Replace the system board. POST - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 192
are assigned to COM2. 1. Remove any serial port expansion cards. 2. Clear CMOS. (See Appendix B, Password Security and Resetting CMOS on page 191.) 3. Reconfigure card resources and/or run Computer Setup or Windows utilities. 1155-Serial Port Address Conflict Detected Both external and internal - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 193
supported by ROM BIOS. 1. Upgrade BIOS to proper version. 2. Change the processor. 2200-PMM Allocation Error during MEBx Download Memory error during POST execution of the 1. Management Engine (ME) BIOS Extensions option ROM 2. Reboot the computer. Unplug the power cord, re-seat the memory - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 194
C-1 Numeric Codes and Text Messages (continued) Control panel message Description Recommended action 2202-PMM Deallocation Error during MEBx cleanup Memory error during POST execution of the 1. Management Engine (ME) BIOS Extensions option ROM 2. Reboot the computer. Unplug the power cord - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 195
card may be causing a Remove third-party graphics card to see if the problem. problem goes away. System will not boot without fan CPU fan not installed or disconnected in VSFF chassis. 1. Remove the computer cover, press the power button, and see if the processor fan spins. If the processor fan - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 196
LED flashes every two seconds. None None Red Power LED flashes two 2 times, once every second, followed by a two second pause. Beeps stop after fifth iteration but LEDs continue until problem is solved. Computer on. None Computer in Suspend to RAM mode (some models only) or normal Suspend mode - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 197
all devices are functioning properly. 3. Replace the power supply. 4. Replace the system board. Red Power LED flashes five 5 times, once every second, followed by a two second pause. Beeps stop after fifth iteration but LEDs continue until problem is solved. Pre-video memory error. CAUTION - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 198
Front Panel LEDs and Audible Codes (continued) Activity Beeps Possible Cause Recommended Action Red Power LED flashes nine 9 times, once every second, followed by a two second pause. Beeps stop after fifth iteration but LEDs continue until problem is solved. System powers on but is unable to - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 199
place of the power-on password as an override to log in to the computer. This is a useful feature for a network administrator. If you forget the password for the computer, you can clear that password so you can gain access to the information on the computer by resetting the password jumper. CAUTION - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 200
Resetting the Password Jumper To disable the power-on or setup password features, or to clear the power-on or setup passwords, complete the following steps: 1. Shut down the operating system properly, then turn off the computer and any external devices, and disconnect the power cord from the power - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 201
Resetting the CMOS The computer's configuration memory (CMOS) stores information about the computer's configuration. The CMOS button resets CMOS but does not clear the power-on and setup passwords. Clearing CMOS will clear the Active Management Technology (AMT) settings in the Management Engine BIOS - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 202
or access panel. 6. Reconnect the external devices. 7. Plug in the computer and turn on power. NOTE: You will receive POST error messages after clearing CMOS and rebooting advising you that configuration changes have occurred. Use Computer Setup to reset any special system setups along with the - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 203
System (DPS) Self-Test in Computer Setup. Refer to the Computer Setup (F10) Utility Guide for more information. ● Check the Power LED on the front of the computer to see if it is flashing red. The flashing lights are error codes that will help you diagnose the problem. Refer to Appendix A, POST - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 204
● Check to see that the monitor is turned on and the green monitor light is on. ● Check the Power LED on the front of the computer to see if it is flashing red. The flashing lights are error codes that will help you diagnose the problem. Refer to Appendix A, POST Error Messages on page 180 for more - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 205
not restart, press the power button to start the computer. ● Reconfigure the computer after installing a non-plug and play expansion board or other option. See Solving Hardware Installation Problems on page 220 for instructions. ● Be sure that all the needed device drivers have been installed. For - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 206
(Computer Setup can also be used to update the RTC date and time). If the problem persists, replace the RTC battery. See the Hardware Reference Guide for instructions on installing a new battery, or contact an authorized dealer or reseller for RTC battery replacement. 198 Appendix E Troubleshooting - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 207
the external speakers are properly connected and powered on and that the speakers' volume control is set correctly. 3. Use the system volume control available in the operating system to make sure the speakers are not muted or to increase the volume. The audio device may be connected to the wrong - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 208
in the application. 2. Add more memory. 3. Upgrade the graphics solution. Cause unknown. Restart the computer. Computer powered off automatically and the Power LED flashes Red two times, once every second, followed by a two second pause, and the computer beeps two times. (Beeps stop after fifth - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 209
into a working AC outlet. 2. Open hood and check that the power button harness is properly connected to the system board. 3. Check that both power supply cables are properly connected to the system board. 4. Check to see if the 5V_aux light on the system board is turned on. If it is turned on - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 210
on because of internal power supply Contact an authorized service provider to replace the power fault. supply. Computer powered off automatically and the Power LED flashes Red two times, once every second, followed by a two second pause, and the computer beeps two times. (Beeps stop after fifth - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 211
the computer when you add or remove hardware, such as an additional diskette drive. See Solving Hardware Installation Problems on page 220 for instructions. Table E-3 Solving Diskette Problems Diskette drive light stays on. Cause Solution Diskette is damaged. In Microsoft Windows XP, right - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 212
1440 Open the locking device on the diskette. Enter Computer Setup and enable Legacy Diskette Write in Storage > Storage Options. A problem has occurred with a disk transaction. Cause Solution The directory structure is bad, or there is a problem with a file. In Microsoft Windows XP, right-click - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 213
Boot Order enable command. Network server mode is enabled in Computer Setup. Run Computer Setup and disable Network Server Mode in Security > Password Options. Removable media boot has been disabled in Computer Setup. Run Computer Setup and enable Removable Media Boot in Storage > Storage Options - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 214
. If it is listed, the probable cause is a driver problem. If it is not listed, the probable cause is a hardware problem. If this is a newly installed drive, run the Computer Setup utility and try adding a POST delay under Advanced > Power-On. The device is attached to a SATA port that has been - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 215
damaged. Observe if the front panel Power LED is blinking RED and if any beeps are heard. See Appendix A, POST Error Messages on page 180 to determine possible causes for the blinking red and beep codes. See the Worldwide Limited Warranty for terms and conditions. Solving Hard Drive Problems 207 - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 216
Problems (continued) Computer seems to be locked up. Cause Solution Program in use has stopped responding to commands. Attempt the normal Windows "Shut Down" procedure. If this fails, press the power button for four or more seconds to turn off the power. To restart the computer, press the power - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 217
deleting from an SD/Memory Stick/ PRO card. supported. on the correct side. The green LED will light if inserted properly. Do not know how to remove a media card correctly. Cause The computer's software is used to safely eject the card. Solution Open My Computer (Windows XP) or Computer (Windows - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 218
Problems (continued) After installing the media card reader and booting to Windows, the reader and the inserted cards are not recognized by the computer. Cause Solution The operating system needs time to recognize the device the boot process. 210 Appendix E Troubleshooting Without Diagnostics - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 219
if set, type your password. System ROM is corrupted; system is running in Boot Block Emergency Recovery Mode (indicated by eight beeps). Reflash the system ROM with the latest BIOS image. See the "Boot Block Emergency Recovery Mode" section of the Desktop Management Guide for more information You - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 220
to isolate the faulty module. 3. Replace third-party memory with HP memory. 4. Replace the system board. Blank screen and the power LED flashes Red six times, once every second, followed by a two second pause, and the computer beeps six times. (Beeps stop after fifth iteration but LEDs continue - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 221
that the computer power is off while connecting the video cable. "Out of Range" displays on screen. Cause Solution Video resolution and refresh rate are set higher than what the Restart the computer and enter Safe Mode. Change the monitor supports. settings to a supported setting then restart - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 222
display menu. Manually synchronize the Clock and Clock Phase onscreen display functions. To download a SoftPaq that will assist you with the synchronization, go to the following Web site, select the appropriate monitor, and download either SP32347 or SP32202: http://www.hp.com/support Graphics card - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 223
or devices connected to the line-out connector Turn on and use headphones or external speakers, if mute the internal speaker. connected, or disconnect headphones or external speakers. Computer is in standby mode. Press the power button to resume from standby mode. Solving Audio Problems 215 - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 224
Speaker. Sound from headphones is not clear or muffled. Cause Solution Headphones are plugged into the rear audio output connector. Plug the headphones into the headphone connector on the The rear audio output connector is for powered audio devices front of the computer. and is not designed for - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 225
and solutions listed in the following table. Table E-8 Solving Printer Problems Printer will not print. Cause Solution Printer is not turned on properly. Printer memory may be overloaded. Solution Install the correct printer driver for the application. Reconnect all cables. Reset the printer by - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 226
Problems Keyboard commands and typing are not recognized by the computer. Cause Solution Keyboard connector is not properly connected. 1. On the Windows XP Desktop, click Start > Shut Down. On the Windows Vista Desktop the power button for more than four seconds. Otherwise, the computer will - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 227
Mouse Problems (continued) Mouse does not respond to movement or is too slow. Cause Mouse may need cleaning. Mouse may need repair. Computer is in from standby mode, do not hold down the power button for more than four seconds. Otherwise, the computer will shut down and you will lose any unsaved - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 228
installation. NOTE: DIMM 1 must always be installed. 2. Observe the beeps and LED lights on the front of the computer. Beeps and flashing LEDs are codes for specific problems. 3. If you still cannot resolve the issue, contact Customer Support. 220 Appendix E Troubleshooting Without Diagnostics - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 229
Table E-11 Solving Hardware Installation Problems (continued) Power LED flashes Red five times, once every second, followed by a two second pause, and the computer beeps five times. (Beeps stop after fifth iteration but LEDs continue flashing.) Cause Solution Memory is installed incorrectly or is - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 230
Solving Network Problems Wake-on-LAN feature is not functioning. Cause Solution Wake-on-LAN is not enabled. To enable Wake-on-LAN in Windows XP: NOTE: 7. Click the Power Management tab, then select the check box to Allow this device to wake the computer. Network driver does not detect - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 231
Solving Network Problems (continued) Network status link light never flashes. NOTE: The network status light is device status within Windows, such as Device Manager for driver load and the Network Connections applet within Windows for link status. Network controller is disabled. 1. Run Computer - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 232
, that a DHCP Server is present, and that the Remote System Installation Server contains the NIC drivers for your NIC. System setup utility reports unprogrammed EEPROM. Cause Unprogrammed EEPROM. Solution Contact an authorized service provider. 224 Appendix E Troubleshooting Without Diagnostics - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 233
the DIMMs or the system board, you must unplug the computer power cord before attempting to reseat, install, or remove a DIMM module. For those systems that support ECC memory, HP does not support mixing ECC and non-ECC memory. Otherwise, the computer will not boot the operating system. NOTE: The - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 234
. You have run out of memory for the application. Check the memory requirements for the application or add more memory to the computer. Power LED flashes Red five times, once every second, followed by a two second pause, and the computer beeps five times. (Beeps stop after fifth iteration but - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 235
is hot. 1. Make sure the airflow to the computer is not blocked. 2. Make sure the fans are connected and working properly (some fans only operate when needed). 3. Make sure the processor heatsink is installed properly. Power LED flashes Red three times, once every second, followed by a two - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 236
it is listed, the probable cause is a driver problem. If it is not listed, the probable cause is a hardware problem. If this is a newly installed drive, run the Computer Setup utility and try adding a POST delay under Advanced > Power-On Options. The device is attached to a SATA port that has been - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 237
DVD Problems determine the type of media played, such as audio or video. Wait at least 30 seconds to computer stores. Windows does not detect the CD-ROM or DVD-ROM drive. 1. Use Device Manager to remove or uninstall the device. 2. Restart the computer and let Windows detect the CD or DVD driver - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 238
a Bootable Device: Supported USB Flash Media Device" section of the Service Reference Guide. The computer boots to DOS after making a bootable Drive Key. Cause Solution Drive Key is bootable. Install the Drive Key only after the operating system boots. 230 Appendix E Troubleshooting Without - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 239
. Table E-17 Solving Front Panel Component Problems A USB device, headphone, or microphone is not recognized by the computer. Cause Solution Device is not properly connected. 1. Turn off the computer. The device does not have power. The correct device driver is not installed. The cable from - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 240
Problems Unable to connect to the Internet. Cause Solution Internet Service a "power" LED light on the front of the cable/DSL modem. Cable/DSL service is computers's RJ-45 connector. (If the connection is good, the "PC" LED light the Delete cookies button. Windows XP 1. Select Start > Control - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 241
Problems (continued) Internet takes too long to download Web sites. Cause Solution Modem is not set up properly. Verify that the modem is connected and communicating properly. Windows XP 1. Select Start > Control Panel. 2. Double-click System. 3. Click the Hardware tab. 4. In the Device - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 242
solutions listed in the following table. Table E-19 Solving Software Problems Computer will not continue and no HP logo screen has appeared. Cause Solution POST error has occurred. Observe the beeps and LED lights on the front of the computer. See Appendix A, POST Error Messages on page 180 to - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 243
http://www.hp.com. NOTE: If you take the computer to an authorized reseller, dealer, or service provider for service, remember to provide the setup and power-on passwords if they are set. Refer to the number listed in the warranty or in the Support Telephone Numbers guide for technical assistance - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 244
J37 Component Battery socket/Battery LED - 5V_Aux (on) Health-LED UID LED Power LED Hard drive activity LED Boot block header/jumper Boot block recovery header ROM recovery header CPLD programming header Clear Password header/jumper Clear CMOS header RJ45 jack Stacked RJ45/Dual USB Quad stacked USB - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 245
VGA ports DVI connector Keyboard connector, PS/2 (Closest to power supply) Mouse connector, PS/2 Stacked mouse (Top)/keyboard ( audio jack (line in, line out/headphone, microphone) Security board connector - for security card PCI slots on riser card PCI express slots on riser card Clear password - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 246
or 24 pin) P2 Second P/S connector (as required) P3 Processor 12V header P4 Secondary Processor 12V header P5 Main Power/HDD LED connector P6 Speaker connector P7 Analog audio connector (from CD-ROM) P8 Primary chassis fan header or primary CPU heatsink fan P9 Secondary chassis fan - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 247
connector Hood lock header Hood sensor header Flying parallel port header Media reader header White box chassis fan header Security hood switch on riser card Clear CMOS switch/push button Single chip solution (combined northbridge/southbridge) North bridge 239 - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 248
64 bit Bridge LOM1 LOM1 EEPROM LOM1 PHY Audio Codec Audio amplifier LOM2 LOM2 EEPROM LOM2 PHY SPI ROM power switch First USB rear port power switch Second USB rear port power switch Third USB rear port power switch Battery retainer Memory slot. DIMM1 or RIMM1 populated and tested Following memory - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 249
Y4 Y5/H5 Secondary NIC clock crystal RTC clock crystal/tie-down 241 - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 250
22 asset tracking 38 ATA/ATAPI (IDE) drive cable pin assignments 171 audible codes 188 audio problems 215 B battery disposal 59 SFF removal and replacement 163 beep codes 188 bezel blanks SFF removal and replacement 118 BIOS Boot Block Emergency Recovery Mode 32 HPQFlash 32 Remote ROM Flash 31 Boot - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 251
Key caution 46 ordering 46 fan shroud MT removal and replacement 95 SFF removal and replacement 155 fan, power supply 57 fan/air baffle MT removal and replacement 96 Fault Notification and Recovery HP Client Manager 47 fingerprint identification technology 47 flashing LEDs 188 front bezel MT - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 252
pin assignments 169 line-out audio pin assignments 169 locking Smart Cover Lock 46 locks cable lock 62, 111 front bezel 65, 115 HP Business PC Security Lock 63, 113 padlock 62, 112 M media card reader installing 83, 142 removing 81, 140 Media Card Reader problems 209 memory installing 121 MT removal - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 253
system board 106 SFF battery 163 SFF bezel blanks 118 SFF cable routing 152 SFF computer access panel 116 SFF drives 132 SFF fan shroud 155 SFF front bezel 117, 123, 125, 136, 137, 144 SFF front I/O device 157 SFF heatsink 158 SFF inner baffle 154 SFF power supply 161 SFF power switch assembly 156 - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 254
computer 57 updating and management tools 23 spare part number tamper-resistent wrench 58 Torx T-15 screwdriver 57 speaker MT removal and replacement 101 SFF removal and replacement 160 specifications memory 121 MT memory 70 static electricity 53 Subscriber's Choice 31 surge-tolerant power supply - HP Dc5800 | Service Reference Guide: HP Compaq dc5800 Business PC - Page 255
Solution 22, 26 HP white papers 29 HPQFlash 32 Intel vPro technology 29 PC deployment 22 Proactive Change Notification 31 Remote ROM Flash 31 replicating setup 34 ROM Flash 31 software support 38 Subscriber's Choice 31 Subscriber's Choice 31 System Software Manager download 25 white papers 29
Service Reference Guide
HP Compaq dc5800 Business PC