HP 200 Pro G4 22 PC Maintenance and Service Guide

HP 200 Pro G4 22 PC Manual

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  • HP 200 Pro G4 22 PC | Maintenance and Service Guide - Page 1
    Maintenance and Service Guide HP 200 G4 22 All-in-One Business PC
  • HP 200 Pro G4 22 PC | Maintenance and Service Guide - Page 2
    products and services. Nothing herein should be construed as constituting an additional warranty. HP shall not be liable for technical or editorial errors or omissions contained herein. First Edition: January 2020 Document Part Number: L83234-001 Product notice This user guide describes features
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    Safety warning notice WARNING! To reduce the possibility of heat-related injuries or of overheating the computer, do not place the computer directly on your lap or obstruct the computer air vents. Use the computer only on a hard, flat surface. Do not allow another hard surface, such as an adjoining
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    iv Safety warning notice
  • HP 200 Pro G4 22 PC | Maintenance and Service Guide - Page 5
    About this guide WARNING! Indicates a hazardous situation that, if not avoided, could result in serious injury or death. CAUTION: Indicates a hazardous situation that, if not avoided, could result
  • HP 200 Pro G4 22 PC | Maintenance and Service Guide - Page 6
    vi About this guide
  • HP 200 Pro G4 22 PC | Maintenance and Service Guide - Page 7
    cleaning safety precautions 11 Cleaning the computer case ...11 Cleaning the keyboard ...12 Cleaning the monitor ...12 Cleaning the mouse ...12 Service considerations ...12 Tool requirements ...13 Screws ...13 Cables and connectors ...13 Hard drives ...13 Lithium coin cell battery ...13 SATA hard
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    45 6 Troubleshooting without diagnostics ...46 Safety and comfort ...46 Before you call for technical support ...46 Helpful hints ...47 Solving general problems ...48 Solving power problems ...51 Solving hard drive problems ...51 Solving media card reader problems ...52 Solving audio problems ...53
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    keyboard and mouse problems ...56 Solving hardware installation problems ...58 Solving network problems ...59 Solving memory problems ...61 Solving USB flash drive problems ...63 Solving connected component problems ...63 Solving Internet access problems ...64 Solving software problems ...64 7 POST
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    Using HP Sure Recover (select products only 80 10 Power cord set requirements ...81 General requirements ...81 Japanese power cord requirements ...81 Country-specific requirements ...82 11 Statement of memory volatility ...83 Nonvolatile memory usage ...85 Questions and answers ...87 Using HP Sure
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    obstructions. For wireless regulatory notices, see the section of the Regulatory, Safety, and Environmental Notices that applies to your country or region. To access this guide: ▲ Type HP Documentation in the taskbar search box, and then select HP Documentation. Front components 1
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    (2) 5 HDMI port 10 USB SuperSpeed ports (2) NOTE: The power light is normally white when the power is on. If it is flashing red, there is a problem with the computer, and it is displaying a diagnostic code. See POST error messages and diagnostic front panel LEDs and audible codes on page 66 to
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    Bottom components Table 1-3 Identifying the bottom components Bottom components 1 Vents (2) 2 SD media card reader Bottom components 3
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    2 Illustrated parts catalog Computer major components This chapter provides part information for all chassis. Table 2-1 Computer major components and their descriptions Item Description (1) Speaker cover (white or grey) (2) Display IPS 4 Chapter 2 Illustrated parts catalog
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    Table 2-1 Computer major components and their descriptions (continued) Item Description VA x Display panel frame (3) Optical drive (DVD±RW, 9.5 mm, slim tray) (4) Hard drive, 3.5 inch 2 TB, 7200 rpm 1 TB, 7200 rpm 500 GB, 7200 rpm (5) Power button/card reader board (6) Speaker kit (
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    Table 2-1 Computer major components and their descriptions (continued) Item Description (14) Wireless antenna, dual or single (15) Rear cover (white or grey) (16) Stand (white or grey) x Stand hinge x not illustrated Cables Table 2-2 Cables and their descriptions Description Hard drive
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    Table 2-3 Miscellaneous parts and their descriptions (continued) Description USB optical mouse USB universal USB hardened mouse Keyboard USB, unbranded USB, Essential USB, US layout USB, universal Keyboard country codes Table 2-4 Keyboard country codes For use in country or region Part number
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    information for the computer. Adherence to the procedures and precautions described in this chapter is essential for proper service. IMPORTANT: When the computer is plugged into an AC power source, voltage is always applied to the system board. You must disconnect the power cord
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    Table 3-1 Static electricity occurrence based on activity and humidity (continued) Relative humidity Removing DIPs from vinyl tray Removing DIPs from polystyrene foam Removing bubble pack from PCB (printed circuit board) Packing PCBs in foam-lined box 2,000 V 3,500 V 7,000 V 5,000 V 4,000 V 5,
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    workstations with ground cord of 1 MΩ ±10% resistance ● Static-dissipative table or floor mats with hard tie to ground ● Field service kits ● Static awareness labels ● Wrist straps and footwear straps providing 1 MΩ ±10% resistance ● Material handling packages ● Conductive plastic bags ● Conductive
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    Operating guidelines To prevent overheating and to help prolong the life of the computer: ● Keep the computer away from excessive moisture, direct sunlight, and extremes of heat and cold. ● Operate the computer on a sturdy, level surface. Leave a 10.2 cm (4 inch) clearance on all vented sides of the
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    with a clean, dry cloth before reassembly. ● To clean the mouse body, follow the procedures in Cleaning the computer case on page 11. Service considerations Keep these considerations in mind during the disassembly and assembly of the computer. 12 Chapter 3 Routine care, SATA drive guidelines, and
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    they cannot be caught or snagged by parts being removed or replaced. IMPORTANT: When servicing this computer, be sure to place cables in their proper location during the reassembly the chassis you are working on in this guide for instructions on the replacement procedures. Service considerations 13
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    WARNING! This computer contains a lithium battery. There is a risk of fire and chemical burn if the battery is handled improperly. Do not disassemble, crush, puncture, short external contacts, dispose in water or fire, or expose it to temperatures higher than 140°F (60°C). Do not attempt to recharge
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    ● When folding a flat ribbon cable, never fold to a sharp crease. Sharp creases can damage the wires. ● Do not bend any cable sharply. A sharp bend can break the internal wires. ● Never bend a SATA data cable tighter than a 30 mm (1.18 in) radius. ● Never crease a SATA data cable. SMART ATA drives
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    operate properly. NOTE: Not all features listed in this guide are available on all computers. Preparation for disassembly WARNING! computer is in the Standby or Suspend modes. Always disconnect the power cord before servicing a unit. NOTE: During disassembly, label each cable as you remove it, and
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    Speaker cover 1. Prepare the computer for disassembly (Preparation for disassembly on page 16). 2. Position the computer with the display facing upward. 3. Lift and release one side of the speaker cover (1), and then remove the cover from the computer (2). To install the speaker cover, reverse the
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    Display 1. Prepare the computer for disassembly (Preparation for disassembly on page 16). 2. Remove the 15 Phillips screws from the bottom of the display. 3. Lift the bottom of the display up (1), and then pull the display away to remove it from under the top of the computer chassis (2). 18 Chapter
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    4. Rotate the top of the display over and place it next to the computer. Be careful not to accidentally disconnect the display cables from the computer. To install the display, reverse the removal procedure. Memory For a list of available memory modules, see Computer major components on page 4. 1.
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    Optical drive 1. Prepare the computer for disassembly (see Preparation for disassembly on page 16). 2. Remove the display (see Display on page 18). 3. Remove the Phillips screw that secures the optical drive (1). 4. While holding the connector in place (2), slide the drive out of the computer (3).
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    5. If replacing the optical drive, remove the bracket from the rear of the old drive and install on the new drive. Remove the Phillips screw (1) that secures the bracket to the rear of the drive, and then remove the bracket (2). 6. If replacing the optical drive, disconnect the connector cable from
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    7. If it is necessary remove the bezel from the drive, insert a paper clip into the release hole (1), and then pull the drive partially from its housing (2). 8. Press the bezel release button (1), rotate and release the side of the bezel (2), and then remove the bezel from the drive (3). Reverse
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    Hard drive 1. Prepare the computer for disassembly (see Preparation for disassembly on page 16). 2. Remove the display (see Display on page 18). 3. Remove the three Phillips screws that secure the drive cage (1). 4. Slide the cage toward the outside of the computer (2), and then lift the cage up and
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    Solid-state drive module For a list of available solid-state drives, see Computer major components on page 4. 1. Prepare the computer for disassembly (Preparation for disassembly on page 16). 2. Remove the display (see Display on page 18). 3. Remove the larger Phillips screw (1) and the smaller
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    2. Position the drive next to the socket (3), and then insert the drive into the socket (4). If you are installing an individual solid-state drive or Optane memory module: 1. Install a thermal pad onto the top of the drive (1). 2. Position the drive next to the socket (2), and then insert the drive
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    Fan 1. Prepare the computer for disassembly (Preparation for disassembly on page 16). 2. Remove the display (see Display on page 18). 3. Disconnect the fan cable from the system board (1). 4. Remove the three Phillips screws that secure the fan (2), and then remove the fan from the computer (3).
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    WLAN module The WLAN module is located next to the memory modules. For a list of available WLAN modules, see Computer major components on page 4. 1. Prepare the computer for disassembly (Preparation for disassembly on page 16). 2. Remove the display (see Display on page 18). 3. Disconnect the
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    RTC battery The battery that comes with the computer provides power to the real-time clock. When replacing the battery, use a battery equivalent to the battery originally installed in the computer. The computer comes with a 3 V lithium coin cell battery. WARNING! The computer contains an internal
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    Camera module 1. Prepare the computer for disassembly (Preparation for disassembly on page 16). 2. Remove the display (see Display on page 18). 3. Disconnect the camera cable from the system board (1). 4. Remove the cable from the clips along routing path around the hard drive cage (2). 5. Remove
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    Power button/card reader board 1. Prepare the computer for disassembly (Preparation for disassembly on page 16). 2. Remove the display (see Display on page 18). 3. Disconnect the cable from the board (1). 4. Remove the Phillips screw (2) that secures the board to the computer. 5. Remove the board
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    Speakers 1. Prepare the computer for disassembly (Preparation for disassembly on page 16). 2. Remove the display (see Display on page 18). 3. Remove the power button/card reader board (see Power button/card reader board on page 30). 4. Disconnect the two speaker cables from the system board (1). 5.
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    Antenna cable 1. Prepare the computer for disassembly (Preparation for disassembly on page 16). 2. Remove the display (see Display on page 18). 3. Disconnect the antenna cables from the WLAN module (1). 4. Remove the antennas cables from the clips that secure them to the chassis (2), and then peel
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    Heat sink 1. Prepare the computer for disassembly (Preparation for disassembly on page 16). 2. Remove the display (see Display on page 18). 3. Remove the fan (see Fan on page 26). 4. Loosen the three captive Phillips screws (1) that secure the heat sink to the computer. 5. Remove the heat sink from
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    6. Thoroughly clean the thermal material from the surfaces of the heat sink and the system board components each time the heat sink is removed. Replacement thermal material is included with the heat sink and system board spare part kits. Thermal paste is used on the heat sink (1) and associated
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    System board 1. Prepare the computer for disassembly (Preparation for disassembly on page 16). 2. Remove the display (see Display on page 18). 3. Remove the fan (see Fan on page 26). 4. Remove the heat sink (see Heat sink on page 33). 5. When replacing the system board, be sure that the following
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    8. Remove the system board from the computer (2). To install the system board, reverse the removal procedure. NOTE: When replacing the system board, you must also change the chassis serial number in the BIOS. IMPORTANT: When reconnecting the cables, be sure that they are positioned correctly. 36
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    System board callouts Table 4-1 System board callouts Item Component 1 Graphics board (select products only) 2 Hard drive data 3 Solid-state drive 4 Hard drive power 5 Camera module 6 Optical drive 7 Display 8 Power button board/card reader Item 9 10 11 12 13 14 15 16 Component
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    System board cage The system board cage is located under the system board. 1. Prepare the computer for disassembly (Preparation for disassembly on page 16). 2. Remove the display (see Display on page 18). 3. Remove the fan (see Fan on page 26). 4. Remove the heat sink (see Heat sink on page 33). 5.
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    9. Lift the cage out of the computer (2). To install the system board cage, reverse the removal procedures. System board cage 39
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    Stand 1. Prepare the computer for disassembly (Preparation for disassembly on page 16). 2. Release the stand cover (1). 3. Move the cover to access the screws underneath (2). 4. Loosen the two captive Phillips screws (3). 5. Remove the stand (4). To install the stand, reverse the removal procedure.
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    information on a USB device and restoring it on one or more computers. ● Enable or disable DriveLock security or securely erase a hard drive (when supported by drive). Using Computer Setup (F10) Utilities Computer Setup can be accessed only by turning the computer on or restarting the system. To
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    could become corrupted. It is safe to turn off the computer only after exiting the F10 Setup screen. Computer Setup-Main NOTE: Support for specific Computer Setup options can vary depending on the hardware configuration. Table 5-1 Computer Setup-Main Option Description Main ● System time
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    Option Description ● Factory installed OS ● System log Select to view logs. ● Build ID ● Feature byte Computer Setup-Security NOTE: Support for specific Computer Setup options can vary depending on the hardware configuration. Table 5-2 Computer Setup-Security Option Description Administrator
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    is selected, BIOS uses IPV4 first. Default is IPv4+IPv6(UEFI). Legacy Support When Legacy Support is enabled, BIOS loads the Compatibility Support Module (CSM) to support legacy operating systems. When Legacy Support is disabled, BIOS boots in UEFI Mode without CSM. Default is Disabled. Secure
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    . Default is Internal Hard Drive. IMPORTANT: UEFI boot sources always have precedence over legacy boot sources. Computer Setup-Exit NOTE: Support for specific Computer Setup options can vary depending on the hardware configuration. Table 5-5 Computer Setup-Exit Option Heading Save Changes and
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    Troubleshooting without diagnostics This chapter provides information on how to identify and correct minor problems, such as USB devices, hard drive, graphics, audio, memory, and software problems. If you encounter problems guide. Before you call for technical support If you are having problems with
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    monitor serial number before calling. ● Spend time troubleshooting the problem with the service technician. ● Remove any hardware that was recently expansion board or other option. See Solving hardware installation problems on page 58 for instructions. ● Be sure that all the needed device drivers
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    check to be sure that it is supported on the system. ● If the problems You may be able to easily resolve the general problems described in this section. If a problem displayed. - or - Follow the Windows instructions for rebooting the computer into the Computer Setup Troubleshooting without diagnostics
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    Control Panel (Computer Setup can also be used to update the RTC date and time). If the problem persists, replace the RTC battery. See the Removal and Replacement section for instructions on installing a new battery, or contact an authorized dealer or reseller for RTC battery replacement. To access
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    white, then: 1. If equipped with a voltage selector, check that the voltage selector (located on the rear of the power supply) is set to 50 Chapter 6 Troubleshooting without diagnostics
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    spin, make sure the fan cable is plugged onto the system board header. 3. If fan a plugged in and not spinning, replace it. Solving hard drive problems Hard drive error occurs. Cause Hard disk has bad sectors or has failed. Solution 1. In Windows 10, type file in the taskbar search box, and
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    off the power. To restart the computer, press the power button again. Solving media card reader problems Media card will not work in a digital camera after formatting it in Windows. Cause Solution By default card is not in the locked position. 52 Chapter 6 Troubleshooting without diagnostics
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    not inserted properly, is inserted in the wrong slot, or is not supported. Ensure that the card is inserted properly with the gold contact on the in F10 Computer Setup. Solving audio problems If the computer has audio features and you encounter audio problems, see the common causes and solutions
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    . The application is set to use a different audio device than speakers. Some graphics cards support audio over the DisplayPort connection (if applicable), so multiple audio devices may be listed in Device the audio file in a compressed format. 54 Chapter 6 Troubleshooting without diagnostics
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    set to use a different audio device than speakers. Some graphics cards support audio over the DisplayPort connection (if applicable), so multiple audio devices output device than what is expected. Solving printer problems If you encounter printer problems, see the documentation that came with the
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    the paper tray and refill it if it is empty. 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 down and you will lose any unsaved data. 56 Chapter 6 Troubleshooting without diagnostics
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    the mouse and clean with the ball are dirty. the internal components with a mouse cleaning kit available from most computer stores. Solving keyboard and mouse problems 57
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    the new hardware. In Windows, use the Add Hardware Wizard and follow the instructions that appear on the screen. To open the Add Hardware Wizard, open a codes for specific problems. 3. If you still cannot resolve the issue, contact Customer Support. 58 Chapter 6 Troubleshooting without diagnostics
  • HP 200 Pro G4 22 PC | Maintenance and Service Guide - Page 69
    must be installed before SODIMM2. 3. Replace third-party memory with HP memory. 4. Replace the system board. Solving network problems Some common causes and solutions for network problems are listed in the following table. These guidelines do not discuss the process of debugging the network cabling
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    . The cable is attached to the incorrect connector. There is a problem with the cable or a device at the other end of the the other end are operating correctly. Contact an authorized service provider. Diagnostics passes, but the computer does not communicate 6 Troubleshooting without diagnostics
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    EEPROM. Solution Contact an authorized service provider. Solving memory problems If you encounter memory problems, some common causes and install, or remove a memory module. For those systems that support ECC memory, HP does not support mixing ECC and non-ECC memory. Otherwise, the computer will
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    the system. 2. Replace SODIMMs one at a time to isolate the faulty module. 3. Replace third-party memory with HP memory. 4. Replace the system board. 62 Chapter 6 Troubleshooting without diagnostics
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    the flash drive only after the operating system boots. Flash drive is defective. Try a different flash drive. Solving connected 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
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    problems, consult your Internet Service Provider (ISP) or refer to the common causes and solutions listed in the following table. Unable to connect to the Internet. Cause Solution Internet Service , check to be sure it is supported on the system. 64 Chapter 6 Troubleshooting without diagnostics
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    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 ). Configuration files are corrupt. If possible, save all data, close all programs, and restart the computer. Solving software problems 65
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    Self-Test (POST) or computer restart, the probable source of the problem, and steps you can take to resolve the error condition. POST messages. If a POST error occurs, the screen displays the error message. To manually switch to the POST Messages Enabled mode during POST, press any key (except f10
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    00E-Inventory Error during MEBx Execution Description Processor is not supported by the BIOS. Memory error during POST execution of MEBx resulted in a failure. Recommended action the Removal and Replacement section for instructions on installing a new battery. 1. Upgrade BIOS to proper version. 2.
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    ECC 1. If additional memory was recently added, memory error correction. remove it to see if the problem remains. 2. Check product documentation for memory support information. SODIMM1 is not installed. Make sure there is a memory module in the SODIMM1 socket and that it is properly seated
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    the computer. 2. Apply hard drive firmware patch if applicable. (Available at http://www.hp.com/support.) 3. Back up contents and replace hard drive. Hard drive is about to fail. (Some hard during POST. added, remove it to see if the problem remains. POST numeric codes and text messages 69
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    41B-Device in PCI Express Slot Failed To Initialize There is an incompatibility or problem with a PCIe device and the system or PCIe link could not be installed in the system that is not supported and has been disabled. Replace with a supported module. 800-Keyboard Error Keyboard failure
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    Control panel message 90D-System Temperature 90E-Power Supply Fan Not detected 910-Filter Warning Description Recommended action Thermal shutdown occurred. The system BIOS has detected your machine was previously shut down to avoid overheating. Overheating may occur if the cooling vents are
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    initialization. 3.4 The system board displays a power failure (crowbar).* 3.5 The processor is not detected.* 3.6 The processor does not support an enabled feature. Thermal 4.2 A processor over temperature condition has been detected.* 4.3 An ambient temperature over temperature condition
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    Support Assistant: a. Type support in the taskbar search box, and then select the HP Support Assistant app. - or - Select the question mark icon in the taskbar. b. Select Troubleshooting on-screen instructions. ● Instructions for calling support are displayed. Follow those instructions. Downloading
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    name or number, follow these steps: 1. Go to http://www.hp.com/support. 2. Select Get software and drivers, select your type of product, and downloaded, double- click the .exe file, and then follow the on-screen instructions. Using HP PC Hardware Diagnostics UEFI NOTE: For Windows 10 S computers, you
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    scan the Failure ID code that appears on the next screen. The HP Customer Support - Service Center page appears with your Failure ID and product number automatically filled in. Follow the on-screen instructions. - or - Contact support, and provide the Failure ID code. NOTE: To start diagnostics on
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    only) to a USB flash drive: 1. Go to http://www.hp.com/support. 2. Enter the product name or number, select your computer, and then select your operating system. 3. In the Diagnostics section, follow the on-screen instructions to select and download the specific UEFI Diagnostics version for your
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    ● Set a schedule for running diagnostics unattended. You can also start diagnostics immediately in interactive mode by selecting Execute Remote HP PC Hardware Diagnostics. ● Set the location for downloading the diagnostic tools. This feature provides access to the tools from the HP website or from a
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    use the HP Cloud Recovery Download Tool to create HP Recovery media on a bootable USB flash drive. For details: ▲ Go to http://www.hp.com/support, search for HP Cloud Recovery, and then select the result that matches the type of computer that you have. 78 Chapter 9 Backing up, restoring, and
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    only) on page 78. NOTE: If you cannot create recovery media yourself, contact support to obtain recovery discs. Go to http://www.hp.com/support, select your country or region, and then follow the on-screen instructions. To recover your system: ▲ Insert the HP Recovery media, and then restart the
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    device drivers ● Software applications, in the case of a custom image To access the latest documentation for HP Sure Recover, go to http://www.hp.com/support. Select Find your product, and then follow the on-screen instructions. 80 Chapter 9 Backing up, restoring, and recovering
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    10 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 of 100 V ac-120 V ac or 220 V ac-240 V ac. Power supplies on those computers that do not have external power
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    Country-specific requirements Additional requirements specific to a country are shown in parentheses and explained below. Table 10-1 Power cord country-specific requirements Country Accrediting Agency Country Accrediting Agency Australia (1) Austria (1) Belgium (1) Canada (2) EANSW OVE CEBC
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    The purpose of this chapter is to provide general information regarding nonvolatile memory in HP Business computers. This chapter also provides general instructions for restoring nonvolatile memory that can contain personal data after the system has been powered off and the hard drive has been
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    g. If a DriveLock password is set, select the Security menu, and scroll down to Hard Drive Utilities under the Utilities menu. Select Hard Drive Utilities, select DriveLock, and then clear the check box for DriveLock password on restart. Select OK to proceed. h. Select the Exit menu, and then select
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    Nonvolatile memory usage Table 11-1 Troubleshooting steps for nonvolatile memory usage Nonvolatile , EC Embedded Controller. firmware, and critical computer configuration data for select platforms that support HP Sure Start. For more information, see Using HP Sure Start (select models
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    Table 11-1 Troubleshooting steps for nonvolatile memory usage (continued) Nonvolatile Memory into this memory? memory? How is this memory write-protected? support. Select Find your product, and then follow the on-screen instructions. Intel Management 1.5 MB or 7 MB Yes Yes Engine Firmware
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    Setup Defaults. c. Follow the on-screen instructions. d. Select Exit, select Save Changes and Exit, and then follow the on-screen instructions. 2. What is a UEFI BIOS, ). It is a replacement for the older BIOS architecture, but supports much of the legacy BIOS functionality. Like the legacy BIOS,
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    menu, select Clear All Secure Boot Keys, and then follow the on-screen instructions. Using HP Sure Start (select models only) Select computer models are configured ://www.hp.com/support. Select Find your product, and then follow the on-screen instructions. 88 Chapter 11 Statement of memory
  • HP 200 Pro G4 22 PC | Maintenance and Service Guide - Page 99
    12 Specifications Table 12-1 Specifications U.S. Metric Computer (without stand) Height 19.3 in 490.3 mm Width 12.68 in 322.0 mm Depth 2.29 in 58.1 mm Approximate Weight 11.35 lb 5.15 kg Temperature Range Operating 32° to 104°F 0° to 40°C Nonoperating -22° to 140°F -30° to 60
  • HP 200 Pro G4 22 PC | Maintenance and Service Guide - Page 100
    safety precautions 11 computer specifications 89 computer cleaning 11 Computer Setup access problem 48 connected component problems 63 country power cord set requirements 82 Customer Support 46 D disassembly preparation 16 display illustrated 4 removal and replacement 18 E electrostatic discharge
  • HP 200 Pro G4 22 PC | Maintenance and Service Guide - Page 101
    11 SATA connectors on system board 14 data cable pinouts 14 hard drive characteristics 14 screws, correct size 13 service considerations 12 software problems 64 solid-state drive module removal and replacement 24 speaker cover illustrated 4 removal and replacement 17 speakers identifying 1 removal
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Maintenance and Service Guide
HP 200 G4 22 All-in-One Business PC