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HP 100B Maintenance & Serice Manual

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Maintenance & Service Guide
HP 100B All-in-One PC

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  • Page 1 Maintenance & Service Guide HP 100B All-in-One 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 in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty.
  • Page 3: About This Book

    About This Book WARNING! Text set off in this manner indicates that failure to follow directions could result in bodily harm or loss of life. CAUTION: Text set off in this manner indicates that failure to follow directions could result in damage to equipment or loss of information.
  • Page 4 About This Book...
  • Page 5: Table Of Contents

    Table of contents 1 Installing and Customizing the Software ...................... 1 Installing the Operating System ......................1 Downloading Microsoft Windows Updates ................... 1 Installing or Upgrading Device Drivers (Windows systems) ..............2 Accessing Disk Image (ISO) Files ......................2 Protecting the Software ........................2 2 Computer Setup (F10) Utility .........................
  • Page 6 Recommended Materials and Equipment ................16 Operating Guidelines .......................... 17 Routine Care ............................18 General Cleaning Safety Precautions ................18 Cleaning the Computer Case .................... 18 Cleaning the Keyboard ...................... 18 Cleaning the Monitor ......................19 Cleaning the Mouse ......................19 Service Considerations ........................
  • Page 7 Display Panel ............................. 72 Appendix A POST Error Messages ........................ 74 POST Numeric Codes and Text Messages ..................75 Interpreting POST Diagnostic Front Panel LEDs and Audible Codes ..........82 Appendix B Connector Pin Assignments ...................... 85 Ethernet BNC ............................. 85 USB ..............................
  • Page 8 viii...
  • Page 9: Installing And Customizing The Software

    If the computer was shipped with Windows Vista or Windows 7 loaded, you will be prompted to register the computer with HP Total Care before installing the operating system. You will see a brief movie followed by an online registration form. Fill out the form, click the Begin button, and follow the instructions on the screen.
  • Page 10: Installing Or Upgrading Device Drivers (Windows Systems)

    Corel WinDVD SD and BD – installation software for WinDVD – used to play DVD movies ● HP Insight Diagnostics OR Vision Diagnostics – software to perform diagnostic activities on your Protecting the Software To protect the software from loss or damage, keep a backup copy of all system software, applications, and related files stored on the hard drive.
  • Page 11: Computer Setup (F10) Utility

    Computer Setup (F10) Utility Computer Setup (F10) Utilities Use Computer Setup (F10) Utility to do the following: ● Change factory default settings. ● Set the system date and time. ● Set, view, change, or verify the system configuration, including settings for processor, graphics, memory, audio, storage, communications, and input devices.
  • Page 12: Using Computer Setup (F10) Utilities

    Using Computer Setup (F10) Utilities Computer Setup can be accessed only by turning the computer on or restarting the system. To access the Computer Setup Utilities menu, complete the following steps: Turn on or restart the computer. If you are in Microsoft Windows, click Start > Shut Down > Restart.
  • Page 13: Computer Setup-File

    Computer Setup—File NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration. Table 2-2 Computer Setup—File Option Description System Information Lists: ● Product name ● SKU number (some models) ● Processor type/speed/stepping/cache size ● Installed memory size/speed, number of channels (single or dual) (if applicable) ●...
  • Page 14: Computer Setup-Storage

    Computer Setup—Storage NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration. Table 2-3 Computer Setup—Storage Option Description Device Configuration Lists all installed BIOS-controlled storage devices. When a device is selected, detailed information and options are displayed. The following options may be presented: Hard Disk: Size, model, firmware, serial number, connector color, SMART, emulation type.
  • Page 15: Computer Setup-Security

    Computer Setup—Security NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration. Table 2-4 Computer Setup—Security Option Description Setup Password Allows you to set and enable a setup (administrator) password. NOTE: If the setup password is set, it is required to change Computer Setup options, flash the ROM, and make changes to certain plug and play settings under Windows.
  • Page 16 Table 2-4 Computer Setup—Security (continued) System IDs Shows: ● Product name ● Chassis serial number or Universal Unique Identifier (UUID) number. The UUID can only be updated if the current chassis serial number is invalid. (These ID numbers are normally set in the factory and are used to uniquely identify the system.) ●...
  • Page 17 Table 2-4 Computer Setup—Security (continued) System Security Data Execution Prevention (some models) (enable/disable) - Helps prevent operating system (some models: these security breaches. options are hardware PAVP (Models with Blu-ray drives) (disabled/min/max) - PAVP enables the Protected Audio Video dependent) Path in the Chipset.
  • Page 18: Computer Setup-Power

    Computer Setup—Power NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration. Table 2-5 Computer Setup—Power Option Description Hardware Power SATA Power Management—Enables or disables the SATA bus and/or device power Management management. S5 Maximum Power Savings—Turns off power to all nonessential hardware when system is off to meet EUP Lot 6 requirement of less than 1 Watt power usage.
  • Page 19 Table 2-6 Computer Setup—Advanced (continued) Device Options Allows you to set: ● Num Lock State at Power-On (off/on). ● Internal Speaker (some models) (does not affect external speakers). ● NIC Option ROM Download (PXE, Disable, iSCSI). The BIOS contains an embedded NIC option ROM to allow the unit to boot through the network to a PXE server.
  • Page 20: Serial Ata (Sata) Drive Guidelines And Features

    3.0 Gb/s SATA Hard Drive Cables SATA Data Cable Always use an HP approved SATA 3.0 Gb/s cable as it is fully backwards compatible with the SATA 1.5 Gb/s drives. Current HP desktop products ship with SATA 3.0 Gb/s hard drives.
  • Page 21: Smart Ata Drives

    SMART ATA Drives The Self Monitoring Analysis and Recording Technology (SMART) ATA drives for the HP Personal Computers have built-in drive failure prediction that warns the user or network administrator of an impending failure or crash of the hard drive. The SMART drive tracks fault prediction and failure indication parameters such as reallocated sector count, spin retry count, and calibration retry count.
  • Page 22: Identifying The Chassis, Routine Care, And Disassembly Preparation

    Identifying the Chassis, Routine Care, and Disassembly Preparation This chapter provides general service information for the computer. Adherence to the procedures and precautions described in this chapter is essential for proper service. CAUTION: When the computer is plugged into an AC power source, voltage is always applied to the system board.
  • Page 23: Electrostatic Discharge Information

    Electrostatic Discharge Information A sudden discharge of static electricity from your finger or other conductor can destroy static-sensitive devices or microcircuitry. Often the spark is neither felt nor heard, but damage occurs. An electronic device exposed to electrostatic discharge (ESD) may not appear to be affected at all and can work perfectly throughout a normal cycle.
  • Page 24: Personal Grounding Methods And Equipment

    ● Always be properly grounded when touching a sensitive component or assembly. ● Avoid contact with pins, leads, or circuitry. ● Place reusable electrostatic-sensitive parts from assemblies in protective packaging or conductive foam. Personal Grounding Methods and Equipment Use the following equipment to prevent static electricity damage to equipment: ●...
  • Page 25: Operating Guidelines

    ● Conductive bins and other assembly or soldering aids ● Conductive foam ● Conductive tabletop workstations with ground cord of one-megohm +/- 10% resistance ● Static-dissipative table or floor mats with hard tie to ground ● Field service kits ● Static awareness labels ●...
  • Page 26: Routine Care

    Routine Care General Cleaning Safety Precautions Never use solvents or flammable solutions to clean the computer. Never immerse any parts in water or cleaning solutions; apply any liquids to a clean cloth and then use the cloth on the component. Always unplug the computer when cleaning with liquids or damp cloths.
  • Page 27: Cleaning The Monitor

    If an incorrect screw is used during the reassembly process, it can damage the unit. HP strongly recommends that all screws removed during disassembly be kept with the part that was removed, then returned to their proper locations.
  • Page 28: Cables And Connectors

    In order to forward them to recycling or proper disposal, please use the public collection system or return them to HP, their authorized partners, or their agents. Chapter 4 Identifying the Chassis, Routine Care, and Disassembly Preparation...
  • Page 29: Illustrated Parts Catalog

    Illustrated parts catalog Computer major components Item Description Spare part number System board (includes dual-core AMD processor) 644692-001 Inverter board Computer major components...
  • Page 30 Item Description Spare part number For use with LG displays 646797-001 For use with Samsung/CMI displays 646796-001 Inverter board cable 646788-001 Power switch board assembly 649230-001 WLAN module (802.11a/b/g/n) 634906-001 Feet Right foot 646784-001 Left foot 646785-001 Optical drive bracket 646805-001 646798-001 Front bezel...
  • Page 31: Mass Storage Devices

    Item Description Spare part number 2-GB 646800-001 1-GB 647448-001 AC adapter 90W (external; not illustrated) 646779-001 Keyboard, USB (not illustrated) Brazil 537924-201 Latin America 537924-161 United States 537924-001 Mouse, USB, optical. Portia (not illustrated) 596410-001 Screw Kit (not illustrated) 647523-001 Power cords (not illustrated) For use in Argentina 403811-201...
  • Page 32 Spare part Description number 537924-201 USB keyboard for use in Brazil 596410-001 Mouse, USB, Portia 619238-001 8X DVD±RW SuperMulti DL Drive with LightScribe without bezel 621419-001 Hard drive, 250 GB 621421-001 Hard drive, 500 GB 632938-001 Hard drive, 750 GB 634906-001 WLAN module (802.11a/b/g/n) 644692-001...
  • Page 33 Spare part Description number 647448-001 1-GB memory module 647523-001 Screw Kit 649230-001 Power switch board assembly Sequential part number listing...
  • Page 34: Removal And Replacement Procedures All-In One (Aio) Chassis

    Disconnect all other attached cables from the back of the computer. Place the computer face down on a soft flat surface. HP recommends that you set down a blanket, towel, or other soft cloth to protect the touch screen surface from scratches or other damage.
  • Page 35: Rear Cover

    Rear Cover Description Spare part number Rear cover 646781-001 The computer has one main cover on the back. Remove it to gain access to internal components. To remove the rear cover: Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page 26).
  • Page 36 Remove the five Torx T15M3.0x8.0 screws that secure the rear cover to the computer. Figure 6-2 Removing the rear cover screws Use a flat tool to pry open the slots on the bottom of the computer. Figure 6-3 Prying the rear cover loose Chapter 6 Removal and Replacement Procedures All-in One (AIO) Chassis...
  • Page 37 Lift the rear cover off the computer. Figure 6-4 Removing the rear cover To replace the rear cover, reverse the removal procedures. Rear Cover...
  • Page 38: Feet

    Feet Description Spare part number Foot, right 646784-001 Foot, left 646785-001 Each foot is connected to the computer with one screw. The top of the foot is positioned under the display panel bracket. You must slide the foot out from under the bracket to remove it, and place it back under the bracket to install it.
  • Page 39: Stand

    Stand Description Spare part number Stand 646783-001 The stand is secured with four screws. To remove the stand: Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page 26). Remove the rear cover (see Rear Cover on page 27).
  • Page 40 Lift the stand off the cover. Figure 6-7 Removing the stand To replace the stand, reverse the removal procedures. Chapter 6 Removal and Replacement Procedures All-in One (AIO) Chassis...
  • Page 41: Optical Drive

    Optical Drive Description Spare part number 8X DVD±RW SuperMulti DL Drive with LightScribe without bezel 619238-001 Optical drive bezel 646804-001 The optical drive is located under the rear cover on the left side of the computer (when viewed from behind). It is secured with one screw. Figure 6-8 Optical drive location To remove the optical drive:...
  • Page 42 Loosen the captive screw that secures the optical drive to the computer. Figure 6-9 Loosening the drive screw Insert a tool into the slot to push the drive out of the bay, and then slide the drive out of the computer.
  • Page 43: Hard Drive

    Hard Drive Description Spare part number 750-GB 632938-001 500-GB 621421-001 250-GB 621419-001 Hard drive grommets (rubber) 646791-001 The hard drive is located under the rear cover on the left side of the computer (when viewed from behind). The drive is secured with one captive screw and is housed in a removable cage. Figure 6-11 Hard drive location To remove the hard drive:...
  • Page 44 Loosen the captive screw that secures the drive to the computer. Figure 6-12 Loosening the hard drive screw Slide the drive to the left to disconnect the cables. Figure 6-13 Sliding the hard drive to disconnect the cables Chapter 6 Removal and Replacement Procedures All-in One (AIO) Chassis...
  • Page 45 Using the drive cage handle, lift the drive out of the computer. Figure 6-14 Removing the hard drive from the computer Hard Drive...
  • Page 46 To remove the hard drive from the hard drive cage, remove the four Phillips screws that secure the drive to the cage, and then slide the drive out of the cage. Figure 6-15 Removing the hard drive cage screws Figure 6-16 Removing the hard drive from the hard drive cage To replace the hard drive, reverse the removal procedures.
  • Page 47: Memory

    Memory Description Spare part number 4-GB 646801-001 2-GB 646800-001 1-GB 647448-001 Memory modules are located on the right side of the computer (when viewed from behind) under the memory cover. The computer has two memory slots. Figure 6-17 Memory location To remove a memory module: Prepare the computer for disassembly (see Preparing to Disassemble the Computer...
  • Page 48 Loosen the memory cover screw. Figure 6-18 Removing the memory cover screw Lift the memory cover off the computer. Figure 6-19 Removing the memory cover Chapter 6 Removal and Replacement Procedures All-in One (AIO) Chassis...
  • Page 49 Open both latches of the memory module socket, and then remove the memory module from the socket. Figure 6-20 Removing the memory module Figure 6-21 Removing the memory module NOTE: If you are removing both cards, you must remove the upper one before removing the lower one.
  • Page 50: Fan

    Description Spare part number 646798-001 The fan is located at the top of the computer. Figure 6-22 Fan location To remove the fan: Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page 26). Remove the rear cover (see Rear Cover on page 27).
  • Page 51 Disconnect the fan cable from the system board connector. Figure 6-23 Disconnecting the fan cable Remove the four Phillips PM25x60 screws that secure the fan to the computer. Figure 6-24 Removing the fan screws...
  • Page 52 Lift the fan out of the computer. Figure 6-25 Removing the fan To install the fan, reverse the removal procedures. Chapter 6 Removal and Replacement Procedures All-in One (AIO) Chassis...
  • Page 53: Speakers

    Speakers Description Spare part number Speaker, right 646792-001 Speaker, left 646793-001 The speakers are located at the bottom of the computer. Two screws secure each speaker. Each speaker connects to the system board.. Figure 6-26 Speaker location To remove the speakers: Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page...
  • Page 54 Remove two Phillips PM30x100 screws that secure each speaker to the computer. Figure 6-27 Removing the left speaker screws Figure 6-28 Removing the right speaker screws Chapter 6 Removal and Replacement Procedures All-in One (AIO) Chassis...
  • Page 55 Remove the left speaker wire from the routing path. Figure 6-29 Removing the left speaker wire Disconnect the speaker cables from the system board connectors. Figure 6-30 Disconnecting the speaker cables from the system board Speakers...
  • Page 56 Lift the speakers from the computer. Figure 6-31 Removing the speakers To install the speakers, reverse the removal procedures. Chapter 6 Removal and Replacement Procedures All-in One (AIO) Chassis...
  • Page 57: Webcam Module And Cable

    Webcam Module and Cable Description Spare part number Webcam module cable 646786-001 The webcam module assembly is located at the top of the computer. It is secured with three screws and has one connector. A removable bracket houses the module. The webcam cable routes along the top of the computer from the left side of the module to the system board.
  • Page 58 Remove the tape (3) that secures the cable to the computer, and then lift the cable from the computer. Figure 6-33 Removing the webcam module cable Remove the webcam module cable from the computer. To remove the webcam module: Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page 26).
  • Page 59 To remove the webcam module from the bracket, remove the two Phillips PM20x30 screws that secure the module to the bracket, and then remove the module from the bracket. Figure 6-35 Removing the webcam module from the bracket To install a webcam module, reverse the removal procedures. Webcam Module and Cable...
  • Page 60: Hard Drive Cable

    Hard Drive Cable Description Spare part number Hard drive cable 646789-001 The hard drive cable is secured to the computer with two screws and connects the hard drive to the system board. Figure 6-36 Hard drive cable location To remove the hard drive cable: Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page...
  • Page 61 Remove the tape securing the cable to the computer (4), and then lift the connector from the computer. Figure 6-37 Removing the hard drive cable To install the hard drive cable, reverse the removal procedures. Hard Drive Cable...
  • Page 62: Optical Drive Cable

    Optical Drive Cable Description Spare part number Optical drive cable 646790-001 The optical drive cable is secured to the computer with two screws and connects the optical drive to the system board. Figure 6-38 Optical drive cable location To remove the optical drive cable: Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page...
  • Page 63 Remove the tape securing the cable to the computer, and then lift the connector from the computer. Figure 6-39 Removing the optical drive cable To install the optical drive cable, reverse the removal procedures. Optical Drive Cable...
  • Page 64: Optical Drive Bracket

    Optical Drive Bracket Description Spare part number Optical drive bracket 646805-001 The optical drive bracket is located under the optical drive. You must remove the optical drive to access the bracket, which is secured by five screws. To remove the optical drive bracket: Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page...
  • Page 65: Inverter Board

    Inverter Board Description Spare part number Inverter for use with Samsung/CMI display panels 646796-001 Inverter for use with LG display panels 646797-001 Inverter board cable 646788-001 The inverter board is located on the left side of the computer under the optical drive. You must remove the optical drive and the optical drive bracket to gain access to the inverter board.
  • Page 66 Disconnect the three cables from the board (2). NOTE: Be careful not to damage the cables when disconnecting them from the board. Do not pull on the wires. Figure 6-42 Removing the inverter board Remove the inverter board from the computer. To remove the inverter board: Prepare the computer for disassembly (see Preparing to Disassemble the Computer...
  • Page 67 Lift the cable from the computer. Figure 6-43 Removing the inverter board cable To install the inverter board cable, reverse the removal procedures. Inverter Board...
  • Page 68: Power Button Board And Cable

    Power Button Board and Cable Description Spare part number Power switch board assembly 649230-001 Power button board cable 646782-001 The power button board is located on the top right side of the computer (when viewed from the back). It is secured with two screws and has one connector. The power button board cable connects to the bottom of the board and to the system board.
  • Page 69 Lift the board as far as the cables allow, and then disconnect the two cables from the board (3). NOTE: Be careful not to damage the cables when disconnecting them from the board. Do not pull on the wires. Figure 6-45 Removing the power button board Remove the board from the computer.
  • Page 70 Remove the tape (3) that secures the cable to the computer, and then remove the cable from the clip built into the computer (4). Figure 6-46 Removing the power button board cable Remove the cable from the computer. To install the power button board cable, reverse the removal procedures. Chapter 6 Removal and Replacement Procedures All-in One (AIO) Chassis...
  • Page 71: System Board Shield

    System Board Shield The system board shield sits above the system board. It is secured with five screws. You must disconnect several cables that route to the system board to remove the shield. Figure 6-47 System board location To remove the system board shield: Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page...
  • Page 72 Remove the five Torx T15M3.0x6.0 screws that secure the shield to the computer. Figure 6-48 Removing the system board shield Lift the shield from the computer. To install the system board shield, reverse the removal procedures. Chapter 6 Removal and Replacement Procedures All-in One (AIO) Chassis...
  • Page 73: Heat Sink (Thermal Module)

    Heat Sink (Thermal Module) Description Spare part number Heat sink (thermal module) 646799-001 The heat sink is secured with three captive screws. To remove the heat sink: Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page 26).
  • Page 74: Wlan Module

    WLAN Module Description Spare part number WLAN module (802.11a/b/g/n) 634906-001 WLAN cable and antenna 646806-001 The WLAN module is located on the left side of the system board. You must remove the system board shield to gain access to the module. One screw and one antenna connect to the module. The antenna cable routes from the module to the antenna at the top of the computer.
  • Page 75 Remove the system board shield (see System Board Shield on page 63). Disconnect the antenna cable from the module (1), and then remove the Phillips screw (2) that secures the module to the computer. Figure 6-51 Disconnecting the WLAN module Lift the module to a 45-degree angle (3), and then remove it from the system board (4).
  • Page 76 To remove the WLAN module antenna and cable: Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page 26). Remove the rear cover (see Rear Cover on page 27). Remove the system board shield (see System Board Shield on page 63).
  • Page 77: System Board

    System Board Description Spare part number System board with AMD dual core processor (includes thermal material) 644692-001 The system board is located on the upper right side of the computer (when viewed from the rear), under the system board shield. It is secured with five screws. To remove the system board: Prepare the computer for disassembly (see Preparing to Disassemble the Computer...
  • Page 78 Remove the five Torx T15M3.0x6.0 screws that secure the system board to the computer. Figure 6-54 Removing the system board NOTE: For installation, the system board screw holes are labeled M3. Lift the system board up and out of the computer. To install the system board, reverse the removal procedures.
  • Page 79: Front Bezel

    Front Bezel Description Spare part number Front bezel 646780-001 The front bezel is secured to the display panel bracket with eight screws. To remove the front bezel: Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page 26).
  • Page 80: Display Panel

    Display Panel Description Spare part number Display, 20-inch, LG 646795-001 Display, 20-inch, Samsung/CMI 646794-001 After you remove the front bezel and feet, the display bracket is secured with four remaining screws. A metal bracket houses the display panel. You must remove the display panel from the bracket to replace the raw panel.
  • Page 81 Remove the two screws that secure the LCD inverter, and then remove it from LCD bracket. Figure 6-57 Removing the inverter Remove the four screws from the LCD brackets, and then remove them from the LCD module. Figure 6-58 Removing the brackets To replace the display panel, reverse the removal procedures.
  • Page 82: Appendix A Post Error Messages

    POST Error Messages This appendix lists the error codes, error messages, and the various indicator light and audible sequences that you may encounter during Power-On Self-Test (POST) or computer restart, the probable source of the problem, and steps you can take to resolve the error condition. POST Message Disabled suppresses most system messages during POST, such as memory count and non-error text messages.
  • Page 83: Post Numeric Codes And Text Messages

    POST Numeric Codes and Text Messages This section covers those POST errors that have numeric codes associated with them. The section also includes some text messages that may be encountered during POST. NOTE: The computer will beep once after a POST text message is displayed on the screen. Table A-1 Numeric Codes and Text Messages Control panel message...
  • Page 84 Memory configuration incorrect. Run Computer Setup or Windows utilities. Make sure the memory module(s) are installed properly. If third-party memory has been added, test using HP-only memory. Verify proper memory module type. 201-Memory Error RAM failure. Ensure memory modules are correctly installed.
  • Page 85 Drive Protection System test under Storage > DPS Self-test. Apply hard drive firmware patch if applicable. (Available at http://www.hp.com/support.) Back up contents and replace hard drive. 1801-Microcode Patch Error Processor is not supported by ROM BIOS.
  • Page 86 Control panel message Description Recommended action 1805-Ambient Temperature Previously Over This system was placed in a low power Make sure the system meets the HP Limit state to prevent damage due to excessive enclosure guidelines as listed in the environmental temperature.
  • Page 87 Table A-1 Numeric Codes and Text Messages (continued) Control panel message Description Recommended action 2202-PMM Deallocation Error during MEBx Memory error during POST execution of the Reboot the computer. cleanup Management Engine (ME) BIOS Extensions Unplug the power cord, re-seat the option ROM.
  • Page 88 Table A-1 Numeric Codes and Text Messages (continued) Control panel message Description Recommended action 2220-USB Key Provisioning file has Provisioning file contained on the USB key Reboot the computer. mismatch version is not a valid version for the current ME If the error persists and system BIOS firmware.
  • Page 89 Table A-1 Numeric Codes and Text Messages (continued) Control panel message Description Recommended action Network Server Mode Active and No Keyboard failure while Network Server Reconnect keyboard with computer Keyboard Attached Mode enabled. turned off. Check connector for bent or missing pins.
  • Page 90: Interpreting Post Diagnostic Front Panel Leds And Audible Codes

    Interpreting POST Diagnostic Front Panel LEDs and Audible Codes This section covers the front panel LED codes as well as the audible codes that may occur before or during POST that do not necessarily have an error code or text message associated with them. WARNING! When the computer is plugged into an AC power source, voltage is always applied to the system board.
  • Page 91 LEDs continue Reseat DIMMs. until problem is solved. Replace DIMMs one at a time to isolate the faulty module. Replace third-party memory with HP memory. Replace the system board. Red Power LED flashes six Pre-video graphics error. For systems with a graphics card: times, once every second, Reseat the graphics card.
  • Page 92 Table A-2 Diagnostic Front Panel LEDs and Audible Codes (continued) Activity Beeps Possible Cause Recommended Action Red Power LED flashes nine System powers on but is Unplug the AC power cord from the times, once every second, unable to boot. computer, wait 30 seconds, then plug the followed by a two second power cord back in to the computer.
  • Page 93: Appendix B Connector Pin Assignments

    Connector Pin Assignments This appendix contains the pin assignments for many computer and workstation connectors. Some of these connectors may not be used on the product being serviced. Ethernet BNC Connector and Icon Signal Data Ground Connector and Icon Signal +5 VDC - Data + Data...
  • Page 94: Headphone

    Headphone Connector and Icon (1/8” miniphone) Signal 1 (Tip) Audio_left 2 (Ring) Power_Right 3 (Shield) Ground Line-in Audio Connector and Icon (1/8” miniphone) Signal 1 (Tip) Audio_In_Left 2 (Ring) Audio_In_Right 3 (Shield) Ground Line-out Audio Connector and Icon (1/8” miniphone) Signal 1 (Tip) Audio_Out_Left...
  • Page 95: Appendix C Power Cord Set Requirements

    Power Cord Set Requirements The power supplies on some computers have external power switches. The voltage select switch feature on the computer permits it to operate from any line voltage between 100-120 or 220-240 volts AC. Power supplies on those computers that do not have external power switches are equipped with internal switches that sense the incoming voltage and automatically switch to the proper voltage.
  • Page 96: Country-Specific Requirements

    Country-Specific Requirements Additional requirements specific to a country are shown in parentheses and explained below. Country Accrediting Agency Country Accrediting Agency Australia (1) EANSW Italy (1) Austria (1) Japan (3) METI Belgium (1) CEBC Norway (1) NEMKO Canada (2) Sweden (1) SEMKO Denmark (1) DEMKO...
  • Page 97: Index

    Index connector pin assignments 85 hard drive cable AC adapter country power cord set removing 52 spare part numbers 23 requirements 88 spare part number 52 audible codes 82 hard drive grommets spare part number 22, 23, 24, display panel battery removing 72 headphone pin assignments 86...
  • Page 98 bezel 71 stand mass storage devices, spare part display panel 72 removing 31 numbers 23 feet 30 spare part number 22, 24, 31 memory module hard drive 35 static electricity 15 removing 39 hard drive cable 52 system board spare part numbers 22, 24, 25 heat sink 65 removing 69 microphone pin assignments 85...