HP Omni Pro 110 Maintenance And Service Manual
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HP Omni Pro 110 Maintenance And Service Manual

Maintenance and service guide: hp omni pro 110 all-in-one pc
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Maintenance & Service Guide
HP Omni Pro 110 All-in-One PC

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  • Page 1 Maintenance & Service Guide HP Omni Pro 110 All-in-One PC...
  • Page 2 No part of this document may be photocopied, reproduced, or translated to another language without the prior written consent of Hewlett-Packard Company. Maintenance & Service Guide HP Omni Pro 110 All-in-One PC First Edition (March 2011) Document Part Number: 654194-001...

  • 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 Product Features ....................... 1 Front Components ........................3 Rear and Side Components ....................... 4 2 Installing and Customizing the Software ................5 Installing the Operating System ....................5 Downloading Microsoft Windows Updates ................. 5 Installing or Upgrading Device Drivers (Windows systems) ............6 Protecting the Software ......................
  • Page 6 Generating Static ....................16 Preventing Electrostatic Damage to Equipment ............17 Personal Grounding Methods and Equipment ............. 17 Grounding the Work Area ..................17 Recommended Materials and Equipment ..............18 Operating Guidelines ......................18 Routine Care ......................... 19 General Cleaning Safety Precautions ................. 19 Cleaning the Computer Case ..................
  • Page 7 Fan ............................53 Speakers ..........................55 System Board ........................57 Stand Bracket ........................59 Drive Connectors ........................60 Front Bezel ..........................61 Display Panel ........................64 Appendix A POST Error Messages ..................66 POST Numeric Codes and Text Messages ................. 67 Interpreting POST Diagnostic Front Panel LEDs and Audible Codes ..........
  • Page 8 viii...

  • Page 9: Product Features

    Product Features The HP Compaq 6000 Pro All-In One Business PC offers the following features: ● Processors: Intel® Pentium™ Dual Core, Core™ 2 Duo, and Celeron Core 2 Duo processors up to ● Chipset: Intel G41 ● Display panel: 20” 16:9 1600x900 TN CCFL non glare ●...
  • Page 10 ● Rear I/O: Power-In, RJ45, Audio-Out, 4x USB-2 ● Expansion slot: 1x half-size – for WLAN only ● Ethernet LAN: Realtek RL8111E 10/100/1000 Chapter 1 Product Features...

  • Page 11: Front Components

    Front Components Component Component Webcam LED indicator (optional) Brightness decrease button Webcam (optional) Drive activity LED (10) Integrated microphone (optional along w/ Power button and LED webcam) 20-inch diagonal 16:9 widescreen 1600 x (11) High-performance stereo speakers 900 LCD display (12) Optical drive Adjustable tilt stand...

  • Page 12: Rear And Side Components

    Rear and Side Components Component Component Media Card Reader LED Memory access HP 6-in-1 Media Card Reader (10) (4) USB 2.0 ports (11) (2) USB 2.0 ports Stereo audio line out (12) Microphone jack RJ-45 Gigabit Ethernet port Headphone jack (13) Power connector with LED indicator (14)

  • Page 13: Installing And Customizing The Software

    Installing and Customizing the Software If your computer was not shipped with a Microsoft operating system, some portions of this documentation do not apply. Additional information is available in online help after you install the operating system. CAUTION: Do not add optional hardware or third-party devices to the computer until the operating system is successfully installed.

  • Page 14: Installing Or Upgrading Device Drivers (Windows Systems)

    Click on the Windows Update link. In Windows 7, the Windows Update screen appears. Click view available updates and make sure all critical updates are selected. Click the Install button and follow the instructions on the screen. It is recommended that you install all of the critical updates and service packs. After the updates have been installed, Windows will prompt you to reboot the machine.

  • Page 15: 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 graphics, audio, storage, communications, and input devices.

  • Page 16: Computer Setup-Main

    If you pressed Esc, press to enter Computer Setup. The Computer Setup Utility screen is divided into menu headings and actions. Five menu headings appear on the Computer Setup Utility screen: ● Main ● Advanced ● Power ● Boot ● Exit Use the arrow keys to select the appropriate heading, then press Enter.
  • Page 17 Table 3-1 Computer Setup—Main (continued) 1st Drive For each, allows you to set: ● 2nd Drive Port Configuration - enable/disable (default is enabled) Capacity (Size - HDD only; view only) Transfer mode (view only) ● Smart Support - run HDD self-test for selected channel: ◦...

  • Page 18: Computer Setup-Advanced

    Computer Setup—Advanced NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration. WARNING! Setting items on this menu to incorrect values may cause your system to malfunction. Table 3-2 Computer Setup—Advanced Option Description CPU Type (view only) CPU Speed (view only) Cache RAM...

  • Page 19: Computer Setup-Power

    Computer Setup—Power NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration. Table 3-3 Computer Setup—Power Option Description After AC Power Allows you to select system restart behavior after power loss: Failure ● Stay Off (default) ●...

  • Page 20: Computer Setup-Exit

    Table 3-4 Computer Setup—Boot (continued) Floppy Group Boot Specifies boot device priority within removable devices. Priority Press Enter to select the device, up or down arrow to move the selected device, Enter to select the device, to abort. CD-ROM Group Boot Specifies boot device priority within CD/DVD drives.

  • Page 21: Serial Ata (Sata) Drive Guidelines And Features

    Serial ATA (SATA) Drive Guidelines and Features NOTE: HP only supports the use of SATA hard drives on these models of computer. No Parallel ATA (PATA) drives are supported. SATA Hard Drives Serial ATA Hard Drive Characteristics Number of pins/conductors in data cable Number of pins in power cable Maximum data cable length 39.37 in (100 cm)

  • Page 22: 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 23: 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 24: 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 25: Preventing Electrostatic Damage To Equipment

    Preventing Electrostatic Damage to Equipment Many electronic components are sensitive to ESD. Circuitry design and structure determine the degree of sensitivity. The following packaging and grounding precautions are necessary to prevent damage to electric components and accessories. ● To avoid hand contact, transport products in static-safe containers such as tubes, bags, or boxes. ●...

  • Page 26: Recommended Materials And Equipment

    ● Handle electrostatic sensitive components, parts, and assemblies by the case or 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 fixtures made of static-safe materials when fixtures must directly contact dissipative surfaces. ●...

  • Page 27: Routine Care

    ● Never restrict the airflow into the computer by blocking any vents or air intakes. Do not place the keyboard, with the keyboard feet down, directly against the front of the desktop unit as this also restricts airflow. ● Occasionally clean the air vents on all vented sides of the computer. Lint, dust, and other foreign matter can block the vents and limit the airflow.

  • Page 28: Cleaning The Keyboard

    ● After cleaning, always wipe the unit with a clean, lint-free cloth. ● Occasionally clean the air vents on the computer. Lint and other foreign matter can block the vents and limit the airflow. Cleaning the Keyboard Follow all safety precautions in General Cleaning Safety Precautions on page 19 before cleaning the keyboard.

  • Page 29: Service Considerations

    Service Considerations Listed below are some of the considerations that you should keep in mind during the disassembly and assembly of the computer. Tools and Software Requirements To service the computer, you need the following: ● Torx T-15 screwdriver (HP screwdriver with bits, PN 161946-001) ●...

  • Page 30: Lithium Coin Cell Battery

    ● Avoid dropping drives from any height onto any surface. ● If you are inserting or removing a hard drive, turn off the computer. Do not remove a hard drive while the computer is on or in standby mode. ● Before handling a drive, ensure that you are discharged of static electricity.

  • Page 31: Illustrated Parts Catalog

    Illustrated parts catalog Computer major components Computer major components...
  • Page 32 Item Description Spare part number Display panel, 20-inch, non-glare 646794-001 Display bezel 651599-001 Memory modules (PC3-10600, 1333-MHz; not illustrated) 2-GB 651609-001 1-GB 651608-001 Heat sink assembly (thermal module) (includes replacement thermal material) 651607-001 651606-001 Power button board 651585-001 System board 648965-001 Thermal pads (installed under system board;...

  • Page 33: Mass Storage Devices

    Item Description Spare part number ● E6800 (3.33-GHz, 2-MB L2 cache, 1066-MHz FSB) 631758-001 ● E6700 (3.20-GHz, 2-MB L2 cache, 1066-MHz FSB) 617840-001 ● E5800 (3.20-GHz, 2-MB L2 cache, 800-MHz FSB) 646376-001 ● E5700 (3.00-GHz, 2-MB L2 cache, 800-MHz FSB) 631759-001 ●...

  • Page 34: Sequential Part Number Listing

    Sequential part number listing Spare part Description number 466170-001 Intel Core2 Duo E8500 processor (3.16-GHz, 6-MB L2 cache, 1333-MHz FSB) 509554-001 Intel Core2 Duo E8400 processor (3.00-GHz, 6-MB L2 cache, 1333-MHz FSB) 573954-001 Intel Core2 Duo E7600 processor (3.06-GHz, 3-MB L2 cache, 1066-MHz FSB) 586745-001 Intel Core2 Duo E7500 processor (2.93-GHz, 3-MB L2 cache, 1066-MHz FSB) 597927-001...
  • Page 35 Spare part Description number 651593-001 Power button/LED cable 651594-001 WLAN antenna cable 651595-001 Thermal pad, DIMM (20mm x 50mm x 2.5mm) 651596-001 Thermal pad, VRM (15mm x 40mm x 4mm) 651597-001 Speaker, right 651598-001 Speaker, left 651599-001 Display bezel 651600-001 Optical drive bracket 651601-001 Inverter board...

  • Page 36: Removal And Replacement Procedures All-In One (Aio) Chassis

    Removal and Replacement Procedures All-in One (AIO) Chassis The following sections provide information about disassembling various components of the HP Pro All- in-One. Preparing to Disassemble the Computer To avoid injury and equipment damage, always complete the following steps in order, when opening the HP Pro All-in-One.

  • Page 37: Small Rear Cover

    Small Rear Cover The small rear cover is located above the stand. You must remove it to remove the stand. To remove the small rear cover: Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page 28). Position the computer with the rear facing you.

  • Page 38: Stand

    Stand The stand is secured with three screws. To remove the stand: Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page 28). Position the computer with the rear facing you. Remove the small rear cover (see Small Rear Cover on page 29).

  • Page 39: Left Rear Cover

    Left Rear Cover The left rear cover is located on the left, rear of the computer. You must remove it to access the optical drive and the hard drive. To remove the left rear cover: Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page 28).

  • Page 40: Optical Drive

    Optical Drive Description Spare part number 8X DVD±RW SuperMulti DL Drive with LightScribe 597927-001 Optical drive bracket 651600-001 The optical drive is located under the left rear cover. It is secured with one screw. To remove the optical drive: Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page 28).
  • Page 41 If you need to remove the optical drive bracket from the rear of the optical drive: Figure 7-5 Optical drive bracket Remove the two screws that secure the bracket to the drive. Remove the bracket from the drive. To install an optical drive, reverse the removal procedures. Optical Drive...

  • Page 42: Hard Drive

    Hard Drive Description Spare part number 1000-GB 621418-001 750-GB 632938-001 500-GB 621421-001 320-GB 621420-001 250-GB 621419-001 The hard drive is located under the left rear cover next to the optical drive. The hard drive is secured with one captive screw and is housed in a removable cage. To remove the hard drive: Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page...
  • Page 43 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 7-7 Removing the hard drive from the hard drive cage To replace the hard drive, reverse the removal procedures.

  • Page 44: Right Rear Cover

    Right Rear Cover The right rear cover is located on the right, rear of the computer. You must remove it to access memory and system board components. To remove the right rear cover: Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page 28).

  • Page 45: Memory

    Memory Description Spare part number 2 GB (PC3-10600, 1333-MHz) 651609-001 1 GB (PC3-10600, 1333-MHz) 651608-001 Memory modules are located on the right side of the computer under the memory cover. The computer has two stacked memory slots. To remove a memory module: Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page 28).
  • Page 46 Open both latches of the memory module socket (1), and remove the memory module from the socket (2). Figure 7-10 Removing the memory module NOTE: If you are removing both cards, you must remove the upper one before removing the lower one.

  • Page 47: Heat Sink (Thermal Module)

    Heat Sink (Thermal Module) Description Spare part number Heat sink (thermal module) 651607-001 The heat sink is secured with five screws and four clips. You have to remove the heat sink cover to access the heat sink. To remove the heat sink: Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page 28).
  • Page 48 Remove the screw at the top of the heat sink (1). In the order indicated by the numbers stamped into the heat sink, remove the four screws (2) that secure the heat sink to the system board. Remove the four clips (3) that secure the bottom part of the heat sink over the graphics processor. NOTE: See the second image below for a closer view of the graphics heat sink levers and hooks.

  • Page 49: Processor

    Processor Description Spare part number Intel Core2 Duo processors (include replacement thermal material) E8500, 6-MB cache, 3.16 GHz 466170-001 E8400, 6-MB cache, 3.00 GHz 509554-001 E7600, 3-MB cache, 3.06 GHz 573954-001 E7500, 3-MB cache, 2.93 GHz 586745-001 Intel Pentium processors (include replacement thermal material) E6800, 2-MB cache, 3.33 GHz 631758-001 E6700, 2-MB cache, 3.20 GHz...
  • Page 50 Carefully lift the processor from the socket (3). CAUTION: Do NOT handle the pins in the processor socket. These pins are very fragile and handling them could cause irreparable damage. Once pins are damaged it may be necessary to replace the system board. CAUTION: The heat sink must be installed within 24 hours of installing the processor to prevent damage to the processor’s solder connections.

  • Page 51: Wlan Module

    WLAN Module Description Spare part number WLAN module (802.11b/g/n) (1x1 mini card) 634906-001 The WLAN module is connected to the system board. The module is secured with two screws and has one connected antenna. To remove the WLAN module: Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page 28).
  • Page 52 Lift the module to a 45-degree angle, and then remove it from the system board. Figure 7-15 Removing the WLAN module To install the WLAN module, reverse the removal procedures. NOTE: WLAN modules are designed with a notch to prevent incorrect insertion. Chapter 7 Removal and Replacement Procedures All-in One (AIO) Chassis...

  • Page 53: Webcam Module

    Webcam Module Description Spare part number Webcam module 651586-001 The webcam module is located at the top of the computer. It is located below an upper cover, is secured with two screws, and has one connector. To remove the webcam module: Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page 28).
  • Page 54 Disconnect the webcam cable from the module. Figure 7-18 Disconnecting the webcam module cable Remove the module from the computer. To install a webcam module, reverse the removal procedures. Chapter 7 Removal and Replacement Procedures All-in One (AIO) Chassis...

  • Page 55: Rear Cover

    Rear Cover The rear cover is secured with five screws. You must pry it off at the seams around the edges of the computer, starting at the bottom. To remove the rear coverl: Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page 28).
  • Page 56 Pry the cover off at the top covers (2), and then work around the remainder of the computer prying the cover off (3). Figure 7-20 Removing the rear cover Remove the rear cover from the computer. To replace the rear cover, reverse the removal procedures. Chapter 7 Removal and Replacement Procedures All-in One (AIO) Chassis...

  • Page 57: Inverter Board

    Inverter Board Description Spare part number Inverter board 651601-001 The inverter board is located on the left side of the computer under the rear cover. It is secured with two screws and has three connectors. To remove the inverter board: Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page 28).
  • Page 58 Remove the two screws (2) that secure the board to the computer. Figure 7-21 Removing the inverter board Remove the inverter board from the computer. To install the inverter board, reverse the removal procedures. Chapter 7 Removal and Replacement Procedures All-in One (AIO) Chassis...

  • Page 59: Power Button Board

    Power Button Board Description Spare part number Power button board 651585-001 The power button board is mounted on the left side of the computer. It is secured with two screws and has one connector. To remove the power button board: Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page 28).

  • Page 60: System Board Shield

    System Board Shield The system board shield sits above the system board. It is secured with two screws. To remove the system board shield: Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page 28). Remove the small rear cover (see Small Rear Cover on page 29).

  • Page 61: Fan

    Description Spare part number 651606-001 The fan is located near the top of the computer. It is secured with three screws. To remove the fan: Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page 28). Remove the small rear cover (see Small Rear Cover on page 29).
  • Page 62 Lift the fan from the computer (3). Figure 7-24 Removing the fan To install the fan, reverse the removal procedures. Chapter 7 Removal and Replacement Procedures All-in One (AIO) Chassis...

  • Page 63: Speakers

    Speakers Description Spare part number Speaker, right 651597-001 Speaker, left 651598-001 The speakers are located at the bottom of the computer. Two separate speakers are each secured by two screws. The left speaker connects to the right speaker, and the right speaker connects to the system board.
  • Page 64 Disconnect the speaker cables from the system board connectors. The right speaker cable connector is black, the left speaker cable connector is white. Figure 7-26 Removing the speakers To install the speakers, reverse the removal procedures. Chapter 7 Removal and Replacement Procedures All-in One (AIO) Chassis...

  • Page 65: System Board

    System Board Description Spare part number System board 648965-001 Thermal pad, DIMM (20mm x 50mm x 2.5mm) 651595-001 Thermal pad, VRM (15mm x 40mm x 4mm) 651596-001 Thermal pad, VRM (20mm x 20mm x 4mm) To remove the system board: Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page 28).
  • Page 66 Lift the system board straight up and out of the computer (2). Figure 7-27 Removing the system board To install the system board, reverse the removal procedures. When replacing the system board, note that there are three thermal pads under the board. Use the following image to determine thermal pad locations and spare part numbers.

  • Page 67: Stand Bracket

    Stand Bracket The stand bracket is secured with four screws. Removing it allows access to the fans, heat sink, processor, and optional TV tuner. To remove the stand bracket: Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page 28).

  • Page 68: Drive Connectors

    Drive Connectors The drive connectors are located near the middle of the computer, below the fan. They are secured with two screws and each has two connectors. You must remove the shield to remove the drive connectors. This section provides instructions for removing both drive connectors. You can remove either connector; you do not have to remove both.

  • Page 69: Front Bezel

    Remove the cables from the clips built into the computer. Remove the drive connector from the computer. To install the hard drive connector, reverse the removal procedures. Front Bezel Description Spare part number Display bezel 651599-001 The front bezel is located on the front of the computer and secured with 6 screws and tabs on each side.
  • Page 70 Remove the six screws that secure the bezel to the computer. Figure 7-30 Removing the front bezel Disconnect the power button assembly from the bezel by flexing the tabs (1) that secure it to the bezel and lifting it off the bezel (2). Figure 7-31 Removing the power button assembly from the bezel Chapter 7 Removal and Replacement Procedures All-in One (AIO) Chassis...
  • Page 71 Press the tabs that secure the bezel to the display assembly, and separate the bezel from the display assembly. Figure 7-32 Removing the bezel from the display assembly Lift the tabs to disengage the computer from the bezel Remove the bezel from the computer. To install a front bezel, reverse the removal procedures.

  • Page 72: Display Panel

    Display Panel Description Spare part number Display, 20-inch, non-glare 646794-001 The display panel is secured with 4 screws. To remove the display panel: Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page 28). Remove the small rear cover (see Small Rear Cover on page 29).
  • Page 73 Remove the four screws that secure the display panel. Figure 7-33 Removing the display panel Lift the display panel from the remaining assembly. To install a display panel, reverse the removal procedures. Display Panel...

  • Page 74: 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 75: 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 76 Table A-1 Numeric Codes and Text Messages (continued) Control panel message Description Recommended action 163-Time & Date Not Set Invalid time or date in configuration memory. Reset the date and time under Control Panel (Computer Setup can also be used). If RTC (real-time clock) battery may need to the problem persists, replace the RTC be replaced.
  • Page 77 Table A-1 Numeric Codes and Text Messages (continued) Control panel message Description Recommended action 301-Keyboard Error Keyboard failure. Reconnect keyboard with computer turned off. Check connector for bent or missing pins. Ensure that none of the keys are depressed. Replace keyboard. 303-Keyboard Controller Error I/O board keyboard controller.
  • Page 78 Table A-1 Numeric Codes and Text Messages (continued) Control panel message Description Recommended action 1720-SMART Hard Drive Detects Imminent Hard drive is about to fail. (Some hard Determine if hard drive is giving correct Failure drives have a hard drive firmware patch that error message.
  • Page 79 Table A-1 Numeric Codes and Text Messages (continued) Control panel message Description Recommended action 2201-MEBx Module did not checksum Memory error during POST execution of the Reboot the computer. correctly Management Engine (ME) BIOS Extensions Unplug the power cord, re-seat the option ROM.
  • Page 80 Table A-1 Numeric Codes and Text Messages (continued) Control panel message Description Recommended action 2219-USB Key Provisioning file has invalid Provisioning file contained on the USB key Recreate the provisioning file using third header identifier has been corrupted or is not a valid version party management console software.
  • Page 81 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 82: 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 83 Table A-2 Diagnostic Front Panel LEDs and Audible Codes (continued) Activity Beeps Possible Cause Recommended Action Red Power LED flashes four Power failure (power Open the hood and ensure the 4 or 6-wire times, once every second, supply is overloaded). power supply cable is seated into the followed by a two second connector on the system board.
  • Page 84 Table A-2 Diagnostic Front Panel LEDs and Audible Codes (continued) Activity Beeps Possible Cause Recommended Action Red Power LED flashes eight Invalid ROM based on Reflash the system ROM with the latest BIOS times, once every second, bad checksum. image. followed by a two second Replace the system board.
  • Page 85 Table A-2 Diagnostic Front Panel LEDs and Audible Codes (continued) Activity Beeps Possible Cause Recommended Action Red Power LED flashes eleven The current processor does Install a Trusted Execution Technology (TXT) times, once every second, not support a feature capable processor. followed by a two second previously enabled on this Disable TXT in the Computer Setup (F10)

  • Page 86: Resetting The Cmos Jumper

    Resetting the CMOS Jumper Turn off the computer and any external devices, and disconnect the power cord from the power outlet. The power must be disconnected from the system to clear CMOS. Disconnect all external equipment connected to the computer. WARNING! To reduce the risk of personal injury from electrical shock and/or hot surfaces, be sure to disconnect the power cord from the wall outlet, and allow the internal system components...
  • Page 87 Reconnect the external devices. Plug in the computer and turn on power. NOTE: Use Computer Setup to reset any special system setups along with the date and time. For instructions on Computer Setup, see the Computer Setup (F10) Utility Guide. Resetting the CMOS Jumper...

  • Page 88: 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 89: 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 90: 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 91: 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 92: Appendix D Specifications

    Specifications All-in One Models Table D-1 Specifications Desktop Dimensions 16.0 in 47.0 cm Height 20.0 in 50.8 cm Width 8.6 in 22.0 cm Depth Approximate Weight (including 16.8 lb 7.6 kg stand) Temperature Range 41° to 95°F 5° to 35°C Operating -22°...

  • Page 93: Index

    Index country power cord set removing 34 AC adapter requirements 83 SATA characteristics 13 spare part numbers 25, 26 spare part numbers 25 audible codes 74 hard drive cable display bezel spare part number 24, 26 spare part numbers 24, 27, hard drive connector battery removing 60...
  • Page 94 LVDS cable removal and replacement spare part number spare part number 24, 26 processor 41 tamper-resistent wrench 21 removal and replacement Torx T-15 screwdriver 21 procedures speaker mass storage devices, spare part All-in One chassis 28 spare part number 27, 55 numbers 25 bezel 61 spare part numbers 24...
  • Page 95 WLAN module removing 43 spare part number 24, 26 Index...

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