HP Compaq Pro 4300 Maintenance & Serice Manual
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HP Compaq Pro 4300 Maintenance & Serice Manual

All-in-one business pc
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HP Compaq Pro 4300 All-in-One Business PC

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  • Page 1 Maintenance & Service Guide HP Compaq Pro 4300 All-in-One 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 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: Table Of Contents

    Table of contents 1 Product Features ............................1 Overview .............................. 1 Front Components ..........................3 Side Components ..........................4 Rear Components ..........................5 Adjusting Tilt ............................6 2 Activating and Customizing the Software ....................7 Activating and customizing the software in Windows 7 ................ 7 Activating the Windows operating system ................
  • Page 5 SATA Data Cable ......................24 SMART ATA Drives ..........................25 Hard Drive Capacities ........................25 5 Routine Care and Disassembly Preparation ....................26 Electrostatic Discharge Information ....................27 Generating Static ....................... 27 Preventing Electrostatic Damage to Equipment ..............27 Personal Grounding Methods and Equipment ..............28 Grounding the Work Area ....................
  • Page 6 Contacting Customer Support ......................131 8 HP PC Hardware Diagnostics ........................132 Why run HP PC Hardware Diagnostics .................... 132 How to access and run HP PC Hardware Diagnostics ..............133 Downloading HP PC Hardware Diagnostics to a USB device ............134...
  • Page 7 9 Backup and Recovery ..........................135 Restoring and recovering in Windows 7 ................... 135 System Restore ....................... 135 System Recovery ......................135 System Recovery when Windows is responding ..........136 System Recovery when Windows is not responding ........137 System recovery using recovery media ............137 Creating recovery media ..............

  • Page 8: Product Features

    Product Features Overview Figure 1-1 HP Compaq Pro 4300 All-in-One Business PC The HP Compaq Pro 4300 All-in-One Business PC offers the following features: ● Integrated All-in-One form factor ● 20-inch diagonal widescreen 1600 x 900 WLED anti-glare display ●...
  • Page 9 Up to 16 GB of DDR3 SDRAM memory ● ® Optional wireless LAN (802.11 a/g/n, 802.11 a/g/n with Bluetooth ● Face Recognition for HP ProtectTools software with auto-login capabilities (only with the optional webcam) ● ENERGY STAR ® qualified, EPEAT ®...

  • Page 10: Front Components

    Front Components Figure 1-2 Front Components Table 1-1 Front Components Component Component Webcam Power button and LED Single microphone High-performance stereo speakers 20-inch diagonal 16:9 widescreen LED-backlit LCD display Front Components...

  • Page 11: Side Components

    Side Components Figure 1-3 Side Components Table 1-2 Side Components Component Component HP USB Media Card Reader Optical disc drive activity LED (2) USB 2.0 ports Tray-load optical disc drive Microphone jack Brightness increase button Headphone jack Brightness decrease button...

  • Page 12: Rear Components

    Rear Components Figure 1-4 Rear Components Table 1-3 Rear Components Component Component Drive access panel Security lock slot Center access panel Power connector with LED indicator Memory access panel RJ-45 Gigabit Ethernet port Optical disc drive location Stereo audio line out Hard drive location (4) USB 2.0 ports Memory and battery location...

  • Page 13: Adjusting Tilt

    Adjusting Tilt Tilt the computer forward up to -5 degrees or backward up to +25 degrees to set it to a comfortable eye level. Figure 1-5 Adjusting Tilt Chapter 1 Product Features...

  • Page 14: Activating And Customizing The Software

    This process takes about 5 to 10 minutes. Carefully read and follow the instructions on the screen to complete the activation. We recommend that you register your computer with HP during operating system setup so you can receive important software updates, facilitate support questions, and sign up for special offers.

  • Page 15: Downloading Windows 7 Updates

    This process takes about 5 to 10 minutes. Carefully read and follow the instructions on the screen to complete the activation. We recommend that you register your computer with HP during operating system set up so you can receive important software updates, facilitate support questions, and sign up for special offers. You can also register your computer with HP using the Register with HP app on the Start screen.

  • Page 16: Downloading Windows 8 Updates

    Downloading Windows 8 updates Microsoft may release updates to the operating system. To help keep the computer running optimally, HP recommends checking for the latest updates during the initial installation and periodically throughout the life of the computer. Run Windows Update as soon as possible after you set up your computer.

  • Page 17: 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 18: Using Computer Setup (F10) Utilities

    ● Solve system configuration errors detected but not automatically fixed during the Power-On Self- Test (POST). ● Replicate the system setup by saving system configuration information on a USB device and restoring it on one or more computers. ● Execute self-tests on a specified ATA hard drive (when supported by drive). ●...

  • Page 19: Computer Setup-File

    Computer Setup—File NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration. Table 3-2 Computer Setup—File Option Description System Information Lists: ● Product name ● SKU number ● Processor type/speed/stepping ● Cache size (L1/L2/L3) (dual core processors have this listed twice) ●...

  • Page 20: Computer Setup-Storage

    Computer Setup—Storage NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration. Table 3-3 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: ●...
  • Page 21 This setting affects only the port with the black connector, labeled as eSATA on the system board. This port should have the eSATA back panel connector attached to use eSATA drives. For more information, see the eSATA white paper at www.hp.com. SATA Emulation Allows you to choose how the SATA controller and devices are accessed by the operating system.
  • Page 22 Table 3-3 Computer Setup—Storage (continued) DPS Self-Test Allows you to execute self-tests on ATA hard drives capable of performing the Drive Protection System (DPS) self-tests. NOTE: This selection will only appear when at least one drive capable of performing the DPS self-tests is attached to the system.

  • Page 23: Computer Setup-Security

    Computer Setup—Security NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration. Table 3-4 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 24 Table 3-4 Computer Setup—Security (continued) Slot Security Allows you to disable any PCI or PCI Express slot. Default is enabled. Network Boot Enables/disables the computer’s ability to boot from an operating system installed on a network server. (Feature available on NIC models only; the network controller must be either a PCI expansion card or embedded on the system board.) Default is enabled.
  • Page 25 Table 3-4 Computer Setup—Security (continued) System Security Data Execution Prevention (enable/disable) - Helps prevent operating system security breaches. (these options are Default is enabled. hardware dependent) SVM CPU Virtualization (enable/disable). Controls the virtualization features of the processor. Changing this setting requires turning the computer off and then back on. Default is disabled. Virtualization Technology (VTx) (enable/disable) - Controls the virtualization features of the processor.
  • Page 26 (PK) that verifies kernels during system start up, allowing you to use alternative operating systems. Selecting HP Keys causes the computer boot using the preloaded HP-specific boot keys. Default is HP Keys.

  • Page 27: Computer Setup-Power

    Computer Setup—Power NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration. Table 3-5 Computer Setup—Power Option Description ● OS Power Idle Power Savings—Extended/Normal. Allows certain operating systems to decrease the Management processors power consumption when the processor is idle. Default is extended. ●...

  • Page 28: Computer Setup-Advanced

    Computer Setup—Advanced NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration. Table 3-6 Computer Setup—Advanced (for advanced users) Option Heading Power-On Options Allows you to set: ● POST mode (QuickBoot, Clear Memory, FullBoot, or FullBoot Every x Days). ◦...
  • Page 29 Table 3-6 Computer Setup—Advanced (for advanced users) (continued) BIOS Power-On Allows you to set the computer to turn on automatically at a time you specify. Onboard Devices Allows you to set resources for or disable Legacy devices. Select the Legacy device's IRQ, DMA, and I/O Range. The settings may not take effect for all operating systems.

  • Page 30: Recovering The Configuration Settings

    Table 3-6 Computer Setup—Advanced (for advanced users) (continued) VGA Configuration Displayed only if there is an add-in video card in the system. Allows you to specify which VGA controller will be the “boot” or primary VGA controller. AMT Configuration Allows you to set: ●...

  • Page 31: 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 32: 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 33: Routine Care And Disassembly Preparation

    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 34: 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 35: 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 36: 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 37: 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 38: 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 39: Cables And Connectors

    Batteries, battery packs, and accumulators should not be disposed of together with the general household waste. In order to forward them to recycling or proper disposal, please use the public collection system or return them to HP, their authorized partners, or their agents. Chapter 5 Routine Care and Disassembly Preparation...

  • Page 40: 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 screen surface from scratches or other damage.

  • Page 41: Hinge Cover Panel

    Hinge Cover Panel The hinge cover panel is located above the stand. You must remove it to remove the drive access panel and memory access panel. Figure 6-1 Hinge cover panel location To remove the hinge cover panel: Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page 33).
  • Page 42 Remove the hinge cover panel by pulling outward on the panel at the slot on the top edge of the panel. Figure 6-2 Removing the hinge cover panel To replace the hinge cover panel, reverse the removal procedures. Hinge Cover Panel...

  • Page 43: Memory Access Panel

    Memory Access Panel The memory access panel is located on the rear, right side of the computer (viewed from behind). You must remove it to access the memory modules and RTC battery. Figure 6-3 Memory access panel location To remove the memory access panel: Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page...
  • Page 44 Open the latch securing the memory access panel. Figure 6-4 Opening the memory access panel latch To remove the memory access panel, press down on the tab on the inside edge of the panel (1) and slide the panel off the computer (2). Figure 6-5 Removing the memory access panel To replace the memory access panel, reverse the removal procedures.

  • Page 45: Drive Access Panel

    Drive Access Panel The drive access panel is located on the rear, left side of the computer (viewed from behind). You must remove it to access the hard drive and optical drive. Figure 6-6 Drive access panel location To remove the drive access panel: Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page...
  • Page 46 Open the latch securing the drive access panel. Figure 6-7 Opening the drive access panel latch To remove the drive access panel, push downward on the tab on the inside edge of the panel (1) and slide the panel off the computer (2). Figure 6-8 Removing the drive access panel To replace the drive access panel, reverse the removal procedures.

  • Page 47: Optical Drive

    Optical Drive The optical drive is located under the drive access panel on the left side of the computer (viewed from behind). It is secured with one Torx screw. Figure 6-9 Optical drive location To remove the optical drive: Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page 33).
  • Page 48 Using your fingers, press the visible edge of the optical disc drive toward the side of the computer to push the drive partially out of the computer. Grasp the front end of the drive and pull the drive out of the computer. Figure 6-11 Removing the optical disc drive If you need to remove the drive bracket from the drive, remove the two screws (1) that secure...

  • Page 49: Hard Drive

    Hard Drive The hard drive is located under the drive access panel on the left side of the computer (viewed from behind). The drive is secured with one captive Torx screw and is housed in a removable cage. Figure 6-13 Hard drive location Prepare the computer for disassembly (see Preparing to Disassemble the Computer...
  • Page 50 Grasp the handle on top of the hard drive cage (1) and slide the cage toward the outer edge of the computer, then lift the cage out of the computer (2). Figure 6-15 Removing the hard drive cage Remove the four mounting screws that secure the drive to the cage. Do not remove the blue rubber grommets behind each screw.
  • Page 51 Slide the hard drive out of the cage. Figure 6-17 Removing the hard drive from the cage To replace the hard drive, reverse the removal procedures. NOTE: If you choose to install an optional 2.5-inch solid state drive (SSD) or self-encrypting drive (SED), you must mount that drive in a drive adapter, and then install the assembly in the hard drive cage as you would a 3.5-inch hard drive.

  • Page 52: Memory

    Memory Memory modules are located on the right side of the computer (viewed from behind) under the memory access panel. The computer has two memory slots. Figure 6-18 Memory module location The computer comes with double data rate 3 synchronous dynamic random access memory (DDR3- SDRAM) small outline dual inline memory modules (SODIMMs).
  • Page 53 33). 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 screen surface from scratches or other damage. Remove the center access panel (see Hinge Cover Panel on page 34).
  • Page 54 Pull upward on the raised tab on the memory cover and lift the cover off the computer. Figure 6-19 Removing the memory cover To remove a memory module, press outward on the two latches on each side of the SODIMM (1), then pull the SODIMM out of the socket (2).
  • Page 55 To install a memory module, slide the SODIMM into the socket at approximately a 30° angle (1), then press the SODIMM down (2) so that the latches lock it in place (3). Figure 6-21 Installing a memory module NOTE: A memory module can be installed in only one way. Match the notch on the module with the tab on the memory socket.

  • Page 56: Replacing The Battery

    Do not expose to temperatures higher than 60° C (140º F). Do not disassemble, crush, puncture, short external contacts, or dispose of in fire or water. Replace the battery only with the HP spare designated for this product. CAUTION: Before replacing the battery, it is important to back up the computer CMOS settings.
  • Page 57 The lithium battery is only used when the computer is NOT connected to AC power. HP encourages customers to recycle used electronic hardware, HP original print cartridges, and rechargeable batteries. For more information about recycling programs, go to http://www.hp.com/...
  • Page 58 Type 2 To release the battery from its holder, squeeze the metal clamp that extends above one edge of the battery. When the battery pops up, lift it out (1). To insert the new battery, slide one edge of the replacement battery under the holder’s lip with the positive side up.

  • Page 59: Heat Sink Cover

    Heat Sink Cover The heat sink cover protects the heat sink and system board. It is secured with five Torx screws. Figure 6-28 Heat sink cover location To remove the heat sink cover: Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page 33).
  • Page 60 Lift the cover from the computer. Figure 6-30 Removing the heat sink cover To install the heat sink cover, reverse the removal procedures. When installing the cover, be sure to insert the tabs from the cover into the slots in the computer. Figure 6-31 installing the heat sink cover Heat Sink Cover...

  • Page 61: Heat Sink (Thermal Module)

    Heat Sink (Thermal Module) The heat sink is secured with five Torx screws – four captured, one not captured. Figure 6-32 Heat sink location To remove the heat sink: Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page 33).
  • Page 62 Remove the black Torx screw from the top of the heat sink (2). Figure 6-33 Loosening and removing the heat sink screws Lift the heat sink from the computer. Figure 6-34 Removing the heat sink CAUTION: To reduce a degradation in thermal performance, be sure not to touch the thermal grease on the surface of the processor or the heat sink.

  • Page 63: Processor

    Processor Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page 33). Remove the center access panel (see Hinge Cover Panel on page 34). Remove the memory access panel (see Memory Access Panel on page 36). Remove the drive access panel (see Drive Access Panel on page 38).
  • Page 64 After installing a new processor 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. Processor...

  • Page 65: Top Panel

    Top Panel The top panel is secured with two Torx screws. Removing it allows access to the webcam and allows you to remove the main rear cover. Figure 6-36 Top panel location To remove the top panel: Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page 33).

  • Page 66: Webcam Module

    Webcam Module The webcam module is located at the top of the computer beneath the top panel. It is secured with two silver Phillips screws and has one connector. Figure 6-38 Webcam module location To remove the webcam module: Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page 33).
  • Page 67 Remove the two silver Phillips screws that secure the webcam module to the computer. Figure 6-39 Webcam module screws As far as the cable allows, remove the webcam module from the computer, and then disconnect the cable from the module. Figure 6-40 Disconnecting the webcam module To install a webcam module, reverse the removal procedures.

  • Page 68: Stand

    Stand The stand is secured with three Torx screws. You must remove the center access panel to remove the stand. To remove the stand: Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page 33). Remove the center access panel (see Hinge Cover Panel on page 34).

  • Page 69: Rear Cover

    Rear Cover The rear cover is secured with four Torx screws. The optical drive security screw also secures the rear cover. After removing the screws, you must pry it off at the seams around the edges of the computer. To remove the rear cover: Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page...

  • Page 70: Fan

    The fan is located near the middle of the computer under the main rear cover. The fan is secured with three Torx screws. You do not have to remove the heat sink to remove the fan. Figure 6-43 Fan assembly location To remove the fan assembly: Prepare the computer for disassembly (see Preparing to Disassemble the Computer...
  • Page 71 Remove the three black Torx screws that secure the fan to the computer, and then disconnect the fan cable from the system board connector labeled CHASSIS_FAN1. Figure 6-44 Fan screws Slide the fan toward the right to remove it from underneath the metal bracket, and then lift the fan from the computer.

  • Page 72: Converter Board

    Converter Board The converter board is located on the left side of the computer (viewed from behind) under the main rear cover. It is secured with two Torx screws and has two connectors. Figure 6-46 Converter board location To remove the converter board: Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page...
  • Page 73 Lift the converter board from the computer. Figure 6-47 Removing the converter board Be sure to correctly position the jumpers on the converter board for the installed display panel, as follows: CAUTION: Incorrect jumper placement can result in damage to the converter board. ●...

  • Page 74: Sidekey Board

    Sidekey Board The sidekey board is located on the bottom left side of the computer (viewed from behind) under the main rear cover. It is secured with two Torx screws and has one connector. The associated cable connects to the front power switch assembly. To remove this cable, you must remove the stand bracket, disassembly of which is shown later in this document at Stand bracket on page...
  • Page 75 Disconnect the cable from the sidekey board. NOTE: Be careful not to damage the cable when disconnecting it from the board. Do not pull on the wires. Figure 6-49 Disconnecting the sidekey board cable Remove the two silver Torx screws that secure the board to the computer. Figure 6-50 Sidekey board screws Chapter 6 Removal and Replacement Procedures All-in One (AIO) Chassis...

  • Page 76: System Board Shield

    Rotate the bottom of the board upward, and then remove the board from the computer. Figure 6-51 Removing the sidekey board To install the sidekey board, reverse the removal procedures. System Board Shield The system board shield covers the bottom of the system board. It is secured with two Torx screws and two hex screws around the serial port.
  • Page 77 To remove the system board shield: Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page 33). Remove the center access panel (see Hinge Cover Panel on page 34). Remove the memory access panel (see Memory Access Panel on page 36).

  • Page 78: Wlan Module

    WLAN Module The WLAN module is located on the bottom left of the system board. The module is secured with one Phillips screw and has two connected antennas. Figure 6-54 WLAN module location To remove the WLAN module: Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page 33).
  • Page 79 Disconnect the antenna cables from the module (1). Remove the Phillips screw (2) that secures the module to the computer. Figure 6-55 Removing the WLAN module screw and antennas Lift the module to a 45-degree angle, and then pull it away to remove it from the socket. Figure 6-56 Removing the WLAN module To install the WLAN module, reverse the removal procedures.

  • Page 80: Speakers

    Speakers The speakers are located at the bottom of the computer. Two separate speakers are each secured by two Torx screws and have separate cables and system board connectors. Figure 6-57 Speaker location To remove the speakers: Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page 33).
  • Page 81 Remove the speakers from the computer. Figure 6-58 Removing the speakers To install the speakers, reverse the removal procedures. Chapter 6 Removal and Replacement Procedures All-in One (AIO) Chassis...

  • Page 82: Stand Bracket

    Stand bracket The stand bracket is located near the middle of the computer, below the fan. Remove the bracket to gain access to the drive cables and sidekey board cable assembly. The bracket is secured with four Torx screws. Figure 6-59 Stand bracket location To remove the stand bracket: Prepare the computer for disassembly (see...
  • Page 83 Remove the four black Torx screws that secure the stand bracket to the computer. NOTE: The bottom right corner of the stand bracket shares a screw with the system board cover. If you have not removed the system board cover prior to removing the stand bracket, you will need to remove this screw to remove the stand bracket.

  • Page 84: System Board

    System Board The system board is located on the right side of the computer (viewed from the rear) under the heat sink and system board covers. It is secured with right Torx screws. Figure 6-62 System board location To remove the system board: Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page...
  • Page 85 Remove the eight silver Torx screws (circled in image) that secure the system board to the computer. Figure 6-63 System board screw locations Lift the system board straight up and out of the computer. NOTE: The thermal material on the bottom of the system board may cause it to stick to the computer.
  • Page 86 Press to enter Computer Setup. Go to Security > System ID’s. If necessary, press Ctrl+A to initiate edit mode. Edit the fields listed. If the feature byte has data or is not editable, then it was not cleared and cannot be edited. System ID Setup Page Setup Field Name Comment...

  • Page 87: Hard Drive And Optical Drive Cables And Connectors

    Hard Drive and Optical Drive Cables and Connectors The hard drive and optical drive connectors are located near the middle of the computer, partially under the bracket that secures the stand. Each connector is secured with two Torx screws and has two cables that connect to the system board.
  • Page 88 Disconnect the hard drive cables (4) or the optical drive cables (5) from the system board. NOTE: Be careful not to damage the cable when disconnecting it from the board. Do not pull on the wires. Remove the connector from the computer. Figure 6-65 Removing the hard drive or optical drive connectors To install the hard drive or optical drive connector, reverse the removal procedures.

  • Page 89: Display Cable

    Display Cable The main display cable connector is located behind the system board. You must remove the system board to remove the display cable. Figure 6-66 Display cable location To remove the display cable: Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page 33).
  • Page 90 Disconnect the cable from the display panel by pressing in the latches on the side of the cable (1) and pulling it from the connector (2). Figure 6-67 Removing the display cable To install the display cable, reverse the removal procedures. Display Cable...

  • Page 91: Front Bezel

    Front Bezel The front bezel is located on the front of the computer and is secured to the main system bracket with five Torx screws and nine tabs. You can remove the front bezel without disassembling many of the computer's components. Most components can remain attached to the base pan.

  • Page 92: Display Panel

    Lift the main system bracket assembly off the front bezel. Figure 6-68 Removing the front bezel assembly from the computer Lift the main display panel assembly from the front bezel. To install the front bezel, reverse the removal procedures. Display Panel If you disconnect the display cable from the display panel, you do not have to remove the system board to replace the display panel.
  • Page 93 Remove the top panel (see Top Panel on page 58). Remove the rear cover (see Rear Cover on page 62). Remove the power switch assembly from the front bezel (see Power Switch Assembly on page 89). NOTE: After you remove the power switch assembly with LED and cable from the front bezel, you do not have to remove the side key cable.
  • Page 94 Remove the four silver Torx screws that secure the display panel to the frame. The screw locations for each manufacturer are stamped into the metal. The LG (1) and Samsung (2) panels are secured with two screws on each side (left and right). Figure 6-70 Display panel screw locations –...
  • Page 95 Samsung To install a display panel, reverse the removal procedures. Chapter 6 Removal and Replacement Procedures All-in One (AIO) Chassis...

  • Page 96: Power Switch Assembly

    Power Switch Assembly The power switch assembly is located on the bottom corner of the inside of the front bezel. You must remove the front bezel from the computer to remove the power switch assembly from the bezel. Figure 6-72 Power switch assembly location To remove the power switch assembly: Prepare the computer for disassembly (see...
  • Page 97 Remove the cable from the clip built into the bezel (4), and then remove the power switch assembly from the front bezel. Figure 6-73 Removing the power switch assembly To install the power switch assembly, reverse the removal procedures. Chapter 6 Removal and Replacement Procedures All-in One (AIO) Chassis...

  • Page 98: Troubleshooting Without Diagnostics

    If you are having problems with the computer, try the appropriate solutions below to try to isolate the exact problem before calling for technical support. ● Run the HP diagnostic tool. ● Run the hard drive self-test in Computer Setup. Refer to...

  • Page 99: Helpful Hints

    Helpful Hints on page 92 in this guide. To assist you in resolving problems online, HP Instant Support Professional Edition provides you with self-solve diagnostics. If you need to contact HP support, use HP Instant Support Professional Edition's online chat feature. Access HP Instant Support Professional Edition at: http://www.hp.com/...
  • Page 100 ● Wake the computer by pressing any key on the keyboard or pressing the power button. If the system remains in suspend mode, shut down the computer by pressing and holding the power button for at least four seconds then press the power button again to restart the computer. If the system will not shut down, unplug the power cord, wait a few seconds, then plug it in again.

  • Page 101: Solving General Problems

    Solving General Problems You may be able to easily resolve the general problems described in this section. If a problem persists and you are unable to resolve it yourself or if you feel uncomfortable about performing the operation, contact an authorized dealer or reseller. WARNING! When the computer is plugged into an AC power source, voltage is always applied to the system board.
  • Page 102 In case of forgotten password, power loss, or computer malfunction, you must manually disable the Smart Cover lock . A key to unlock the Smart Cover Lock is not available from HP. Keys are typically available from a hardware store. Poor performance. Cause Solution Processor is too hot.
  • Page 103 Table 7-1 Solving General Problems (continued) Poor performance. Cause Solution Virus resident on the hard drive. Run virus protection program. Too many applications running. Windows 7: Close unnecessary applications to free up memory. Add more memory. Some applications run in the background and can be closed by right-clicking on their corresponding icons in the task tray.
  • Page 104 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 iteration but LEDs continue flashing). Cause Solution Processor thermal protection activated: Ensure that the computer air vents are not blocked and the processor cooling fan is running.

  • Page 105: Solving Power Problems

    Solving Power Problems Common causes and solutions for power problems are listed in the following table. Table 7-2 Solving Power Problems Power supply shuts down intermittently. Cause Solution If equipped with a voltage selector, voltage selector switch Select the proper AC voltage using the selector switch. on rear of computer chassis (some models) not switched to correct line voltage (115V or 230V).
  • Page 106 The power supply adapter must be at the correct power the All-in One or USDT. rating and use the Smart ID technology before the system will power up. Replace the power supply adapter with the HP-supplied power supply adapter. Solving Power Problems...

  • Page 107: Solving Hard Drive Problems

    Solving Hard Drive Problems Table 7-3 Solving Hard Drive Problems Hard drive error occurs. Cause Solution Hard disk has bad sectors or has failed. In Windows 7, click Start, click Computer, and right- click on a drive. Select Properties, and then select the Tools tab.
  • Page 108 Nonsystem disk/NTLDR missing message. Cause Solution The system is trying to start from the hard drive but the hard Perform Drive Protection System (DPS) testing in drive may have been damaged. system ROM. System files missing or not properly installed. Insert bootable media and restart the computer.
  • Page 109 Computer seems to be locked up. Cause Solution Program in use has stopped responding to commands. Use the task manager to close programs that do not respond. Attempt the normal Windows “Shut Down” procedure. If this fails, press the power button for four or more seconds to turn off the power.

  • Page 110: Solving Media Card Reader Problems

    Solving Media Card Reader Problems Table 7-4 Solving Media Card Reader Problems Media card will not work in a digital camera after formatting it in Windows. Cause Solution By default, Windows will format any media card with a Either format the media card in the digital camera or select capacity greater than 32MB with the FAT32 format.
  • Page 111 Do not know how to remove a media card correctly. Cause Solution The computer’s software is used to safely eject the card. In Windows 7, click Start, select Computer, right-click on the corresponding drive icon, and then select Eject. Pull the card out of the slot.

  • Page 112: Solving Display Problems

    Solving Display Problems If you encounter display problems, see the documentation that came with the monitor and to the common causes and solutions listed in the following table. Table 7-5 Solving Display Problems Blank screen (no video). Cause Solution Monitor is not turned on and the monitor light is not on. Turn on the monitor and check that the monitor light is on.
  • Page 113 Replace DIMMs one at a time to isolate the faulty module. Replace third-party memory with HP memory. 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.
  • Page 114 Blurry video or requested resolution cannot be set. Cause Solution If the graphics controller was upgraded, the correct graphics Install the video drivers included in the upgrade kit. drivers may not be loaded. Monitor is not capable of displaying requested resolution. Change requested resolution.
  • Page 115 “Out of Range” displays on screen. Cause Solution Video resolution and refresh rate are set higher than what Restart the computer and enter Safe Mode. Change the the monitor supports. settings to a supported setting then restart the computer so that the new settings take effect.
  • Page 116 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 is not seated properly or is bad (some Reseat the graphics card. models).

  • Page 117: Solving Audio Problems

    Solving Audio Problems If the computer has audio features and you encounter audio problems, see the common causes and solutions listed in the following table. Table 7-6 Solving Audio Problems Sound cuts in and out. Cause Solution Processor resources are being used by other open Shut down all open processor-intensive applications.
  • Page 118 Table 7-6 Solving Audio Problems (continued) Sound does not come out of the speaker or headphones. Cause Solution Some applications can select which audio output device is Make sure the application has selected the correct audio used. device. The operating system controls may be set to use a different Set the operating system to use the correct audio device.

  • Page 119: Solving Printer Problems

    Table 7-6 Solving Audio Problems (continued) There is no sound or sound volume is too low. Cause Solution Some applications can select which audio output device is Make sure the application has selected the correct audio used. device. The operating system controls may be set to use a different Set the operating system to use the correct audio device.
  • Page 120 Table 7-7 Solving Printer Problems (continued) Printer prints garbled information. Cause Solution The cables may not be connected properly. Reconnect all cables. Printer memory may be overloaded. Reset the printer by turning it off for one minute, then turn it back on.

  • Page 121: Solving Keyboard And Mouse Problems

    Solving Keyboard and Mouse Problems If you encounter keyboard or mouse problems, see the documentation that came with the equipment and to the common causes and solutions listed in the following table. Table 7-8 Solving Keyboard Problems A wireless keyboard/mouse is not working correctly. Symptoms include lagging mouse movement, jumpy mouse/ keyboard, or no function of mouse/keyboard and external drive.
  • Page 122 Table 7-9 Solving Mouse Problems Mouse does not respond to movement or is too slow. Cause Solution Mouse connector is not properly plugged into the back of the Shut down the computer using the keyboard. computer. Windows 7: Press the Ctrl keys at the same time (or press Windows logo...

  • Page 123: Solving Hardware Installation Problems

    Solving Hardware Installation Problems You may need to reconfigure the computer when you add or remove hardware, such as an additional drive or expansion card. If you install a plug and play device, Windows automatically recognizes the device and configures the computer. If you install a non-plug and play device, you must reconfigure the computer after completing installation of the new hardware.
  • Page 124 DIMM2, and DIMM3 must be installed before DIMM4 Replace third-party memory with HP memory. Replace the system board. Power LED flashes Red six times, once every second, followed by a two second pause, and the computer beeps six times.

  • Page 125: Solving Network Problems

    Power LED flashes Red ten times, once every second, followed by a two second pause, and the computer beeps ten times. (Beeps stop after fifth iteration but LEDs continue flashing.) Cause Solution Bad option card. Check each option card by removing the cards one at time (if multiple cards), then power on the system to see if fault goes away.
  • Page 126 Network driver does not detect network controller. Cause Solution Network controller is disabled. Run Computer Setup and enable network controller. Enable the network controller in the operating system using Device Manager. To access Device Manager in Windows 7, click Start, select Control Panel, and then select Device Manager.
  • Page 127 Diagnostics reports a failure. Cause Solution The cable is not securely connected. Ensure that the cable is securely attached to the network connector and that the other end of the cable is securely attached to the correct device. The cable is attached to the incorrect connector. Ensure that the cable is attached to the correct connector.

  • Page 128: Solving Memory Problems

    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.
  • Page 129 Memory is installed incorrectly or is bad. Reseat DIMMs. Power on the system. Replace DIMMs one at a time to isolate the faulty module. Replace third-party memory with HP memory. Replace the system board. 122 Chapter 7 Troubleshooting Without Diagnostics...

  • Page 130: Solving Processor Problems

    Solving Processor Problems If you encounter processor problems, common causes and solutions are listed in the following table. Table 7-13 Solving Processor Problems Poor performance is experienced. Cause Solution Processor is hot. Make sure the airflow to the computer is not blocked. Make sure the fans are connected and working properly (some fans only operate when needed).
  • Page 131 Table 7-14 Solving CD-ROM and DVD Problems (continued) System will not boot from CD-ROM or DVD drive. Cause Solution Network Boot is enabled in Computer Setup. Run the Computer Setup utility and disable Network Boot in Security > Network Boot. Non-bootable CD in drive.

  • Page 132: Solving Usb Flash Drive Problems

    Cannot eject compact disc (tray-load unit). Cause Solution Disc not properly seated in the drive. Turn off the computer and insert a thin metal rod into the emergency eject hole and push firmly. Slowly pull the tray out from the drive until the tray is fully extended, then remove the disc.
  • Page 133 Table 7-15 Solving USB Flash Drive Problems USB flash drive is not seen as a drive letter in Windows. Cause Solution The drive letter after the last physical drive is not available. Change the default drive letter for the flash drive in Windows. USB flash drive not found (identified).

  • Page 134: Solving Front Panel Component Problems

    Solving Front Panel Component Problems If you encounter problems with devices connected to the front panel, refer to the common causes and solutions listed in the following table. A USB device, headphone, or microphone is not recognized by the computer. Cause Solution Device is not properly connected.
  • Page 135 Unable to connect to the Internet. Cause Solution IP address is not configured properly. Contact your ISP for the correct IP address. Cookies are corrupted. (A “cookie” is a small piece of Windows 7: information that a Web server can store temporarily with the Select Start >...

  • Page 136: Solving Software Problems

    If you have installed an operating system other than the factory-installed operating system, check to be sure it is supported on the system. If you encounter software problems, see the applicable solutions listed in the following table. Computer will not continue and the HP logo does not display. Cause Solution ROM issue - POST error has occurred.
  • Page 137 Computer will not continue after HP logo screen displays. Cause Solution System files may be damaged. In Windows 7, use recovery media to scan hard drive for errors, or use Windows Startup Repair to fix problems that might prevent Windows from starting correctly. Windows Startup Repair is one of the recovery tools in the System Recovery Options menu.

  • Page 138: Contacting Customer Support

    Contacting Customer Support For help and service, contact an authorized reseller or dealer. To locate a reseller or dealer near you, visit 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.

  • Page 139: Hp Pc Hardware Diagnostics

    HP PC Hardware Diagnostics Use the UEFI-based hardware diagnostic solution that HP includes on all products to diagnose hardware issues. You can use this tool even if the computer will not boot to the operating system. This tool also works with components not diagnosed in HPSA.

  • Page 140: How To Access And Run Hp Pc Hardware Diagnostics

    A connected USB drive (to download the diagnostics tools to a USB drive, see the instructions in Downloading HP PC Hardware Diagnostics to a USB device on page 134) The hard disk drive...

  • Page 141: Downloading Hp Pc Hardware Diagnostics To A Usb Device

    Enter the product name in the text box and click Search. Select your specific computer model. Select your operating system. In the Diagnostic section, click the HP UEFI Support Environment link. This link provides additional information. - or - Click the Download button and select Run. The download includes instructions (in English) on how to install the tools on the USB device.

  • Page 142: Backup And Recovery

    If you cannot create system recovery CDs or DVDs, you can order a recovery disk set from support. To obtain the support telephone number for your region, see http://www.hp.com/support/contactHP. System Restore If you have a problem that might be due to software that you installed on your computer, use System Restore to return the computer to a previous restore point.

  • Page 143: System Recovery When Windows Is Responding

    System Recovery completely erases and reformats the hard disk drive, deleting all data files that you have created, and then reinstalls the operating system, programs, and drivers. However, you must reinstall any software that was not installed on the computer at the factory. This includes software that came on media included in the computer accessory box, and any software programs you installed after purchase.

  • Page 144: System Recovery When Windows Is Not Responding

    Disconnect all peripheral devices from the computer, except the monitor, keyboard, and mouse. Press the power button to turn on the computer. As soon as you see the HP logo screen, repeatedly press the key on your keyboard until the Windows is Loading Files…...

  • Page 145: Creating Recovery Media

    To create recovery discs: Close all open programs. Click the Start button, click All Programs, click Security and Protection, and then click HP Recovery Media Creation. If prompted, click Yes to allow the program to continue. Click Create recovery media using blank DVD(s), and then click Next.

  • Page 146: Using Recovery Media

    Using recovery media CAUTION: System Recovery deletes all data and programs you have created or installed. Back up any important data to a CD or DVD or to a USB flash drive. To create recovery media, see System recovery using recovery media on page 137.

  • Page 147: Backup And Recovery In Windows 8

    For detailed instructions on various backup and restore options, perform a search for these topics in Help and Support. From the Start screen, type h, and then select Help and Support. In case of system instability, HP recommends that you print the recovery procedures and save them for later use.

  • Page 148: Performing A System Recovery

    Help and Support. From the Start screen, type h, and then select Help and Support. If possible, back up all personal files. If possible, check for the presence of the HP Recovery partition and the Windows partition: From the Start screen, type e, and then click Windows Explorer. – or –...

  • Page 149: Using F11 Recovery Tools

    Software not installed at the factory must be reinstalled. To recover the original hard drive image using f11: If possible, back up all personal files. If possible, check for the presence of the HP Recovery partition: From the Start screen, type C, and then select Computer. NOTE:...

  • Page 150: 10 Post Error Messages

    10 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 151: Post Numeric Codes And Text Messages

    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. Unsupported CPU Recently installed processor is not Install a processor supported by your supported by the system.

  • Page 152: Interpreting Post Diagnostic Front Panel Leds

    LEDs continue 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. White Power LED flashes Pre-video graphics error. For systems with a graphics card: six times, once every Reseat the graphics card.

  • Page 153: Password Security And Resetting Cmos

    11 Password Security and Resetting CMOS This computer supports security password features, which can be established through the Computer Setup Utilities menu. This computer supports two security password features that are established through the Computer Setup Utilities menu: setup password and power-on password. When you establish only a setup password, any user can access all the information on the computer except Computer Setup.

  • Page 154: Establishing A Setup Or Power-On Password

    Establishing a Setup or Power-on Password To establish the power-on or setup password features, complete the following steps: Turn on or restart the computer. As soon as the computer turns on, press the key while “Press the ESC key for Startup Menu”...

  • Page 155: Resetting The Setup And Power-On Password

    The password jumper is blue so that it can be easily identified. For assistance locating the password jumper and other system board components, see the Illustrated Parts & Service Map (IPSM). The IPSM can be downloaded from http://www.hp.com/support. Remove the jumper.

  • Page 156: Resetting Cmos

    The password jumper is blue so that it can be easily identified. For assistance locating the password jumper and other system board components, see the Illustrated Parts & Service Map (IPSM). The IPSM can be downloaded from http://www.hp.com/support. Remove the jumper and place it on pins 1 and 2.

  • Page 157: 150 Appendix A 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 158: 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 159: Appendix B Specifications

    Specifications All-in One Models Table B-1 Specifications Desktop Dimensions 16.00 in 40.6 cm Height 20.00 in 50.7 cm Width 8.66 in 22.0 cm Depth Approximate Weight 15.36 lb 6.97 kg With stand 12.63 lb 5.73 kg Without stand Display TN (Twisted Nematic) LED Backlit LCD Type 442.8(H) x 249.075(V) [mm] Viewable image area...
  • Page 160 Table B-1 Specifications (continued) Maximum Altitude (unpressurized) 0 - 6,500 ft 0 - 2000 m Operating 0 - 15,000 ft 4,572 m Nonoperating Power Supply Rated Voltage Range 100-240 V Rated Line Frequency 50-60 Hz Max Operating Power 150 W All-in One Models 153...

  • Page 161: Index

    Index hard drive problems 100 access panel, locked 95 display cable hard drive recovery 142 audible codes 145 removing 82 hardware installation problems audio problems 110 display panel removing 85 heat sink drive access panel removing 54 Backup and Restore 140 removing 38 heat sink cover battery...
  • Page 162 rear cover screws, correct size 31 network problems 118 removing 62 service considerations 31 numeric error codes 144 recovery partition 142 setup password 146 removal and replacement side components 4 procedures software opening the computer 33 All-in One chassis 33 problems 129 operating guidelines 29 converter board 65...

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