HP Pro 4300 Maintenance And Service Manual
All-in-one business pc
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Summary of Contents for HP Pro 4300
- Page 1 Maintenance & Service Guide HP Compaq Pro 4300 All-in-One Business 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 Compaq Pro 4300 All-in-One Business First Edition (June 2012) Document Part Number: 700155-001...
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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...
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Page 5: 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 Installing and Customizing the Software ...................... 7 Installing the Operating System ......................7 Downloading Microsoft Windows Updates ................... - Page 6 5 Routine Care and Disassembly Preparation ....................19 Electrostatic Discharge Information ....................20 Generating Static ....................... 20 Preventing Electrostatic Damage to Equipment ..............20 Personal Grounding Methods and Equipment ..............21 Grounding the Work Area ....................21 Recommended Materials and Equipment ................21 Operating Guidelines ..........................
- Page 7 WLAN Module ............................ 64 Speakers ............................66 Stand bracket ............................. 68 System Board ............................. 70 Hard Drive and Optical Drive Cables and Connectors ............... 73 Display Cable ............................. 75 Front Bezel ............................77 Display Panel ............................. 78 Power Switch Assembly ........................82 7 Troubleshooting Without Diagnostics ......................
- Page 8 Japanese Power Cord Requirements ....................120 Country-Specific Requirements ......................121 Appendix B Specifications ..........................122 All-in One Models ..........................122 Index ................................. 124 viii...
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Page 9: 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 10 ● Choice of wired or wireless keyboard and mouse ● Windows ® 7 Professional 32-bit or 64-bit operating system ● 6-in-1 media card reader ● 6 USB 2.0 ports ● Tray-load HP SuperMulti DVD+/-RW SATA Drive ● Up to 1 TB hard drive ●...
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Page 11: 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 12: 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 Optical disc drive eject button Hard drive activity LED Chapter 1 Product Features... -
Page 13: 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 14: 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 15: 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. NOTE: If the computer was shipped with Windows 7 loaded, you will be prompted to register the computer with HP Total Care before installing the operating system. -
Page 16: Installing Or Upgrading Device Drivers (Windows Systems)
Select the All Programs menu. 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. -
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, memory, audio, storage, communications, and input devices. -
Page 18: Using Computer Setup (F10) Utilities
Using Computer Setup (F10) Utilities Computer Setup can be accessed only by turning the computer on or restarting the system. To access the Computer Setup Utilities menu, complete the following steps: Turn on or restart the computer. Press while the “Press the ESC key for Startup Menu” message is displayed at the bottom of the screen. -
Page 19: Computer Setup-File
Computer Setup—File NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration. Table 3-1 Computer Setup—File Option Description System Information Lists: ● Product name ● SKU number (some models) ● Processor type/speed/stepping ● Cache size (L1/L2/L3) ●... -
Page 20: Computer Setup-Storage
Computer Setup—Storage NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration. Table 3-2 Computer Setup—Storage Option Description Device Configuration Lists all installed BIOS-controlled storage devices. When a device is selected, detailed information and options are displayed. The following options may be presented: Hard Disk: Size, model, firmware, and serial number. -
Page 21: Computer Setup-Security
Computer Setup—Security NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration. Table 3-3 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 22 Table 3-3 Computer Setup—Security (continued) System IDs Displays the following: ● Product name ● Serial number ● Universal Unique Identifier (UUID) number. The UUID can only be updated if the current chassis serial number is invalid. (These ID numbers are normally set in the factory and are used to uniquely identify the system.) ●...
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Page 23: Computer Setup-Power
Computer Setup—Power NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration. Table 3-4 Computer Setup—Power Option Description ● Hardware Power SATA Power Management—Enables or disables the SATA bus and/or device power Management management. Default is enabled. ●... -
Page 24: Computer Setup-Advanced
Computer Setup—Advanced NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration. Table 3-5 Computer Setup—Advanced Option Heading Power-On Options Allows you to set: ● POST messages (enable/disable). Suppresses most POST messages, such as memory count, product name, and other non-error text messages. If a POST error occurs, the error is displayed regardless of the mode selected. -
Page 25: 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 26: 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 27: 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 28: 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 29: 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 30: 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 31: 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 32: Cleaning The Monitor
● If you remove a key, use a specially designed key puller to prevent damage to the keys. This tool is available through many electronic supply outlets. CAUTION: Never remove a wide leveled key (like the space bar) from the keyboard. If these keys are improperly removed or installed, the keyboard may not function properly. -
Page 33: Cables And Connectors
Cables and Connectors Most cables used throughout the unit are flat, flexible cables. These cables must be handled with care to avoid damage. Apply only the tension required to seat or unseat the cables during insertion or removal from the connector. Handle cables by the connector whenever possible. In all cases, avoid bending or twisting the cables, and ensure that the cables are routed in such a way that they cannot be caught or snagged by parts being removed or replaced. -
Page 34: 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 computer. 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 35: 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 26). - Page 36 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. Chapter 6 Removal and Replacement Procedures All-in One (AIO) Chassis...
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Page 37: 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 38 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.
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Page 39: 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 40 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.
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Page 41: 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 26). - Page 42 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...
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Page 43: 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 44 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 45 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.
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Page 46: 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 47 The system will automatically operate in single channel mode, dual channel mode, or flex mode, depending on how the SODIMMs are installed. Refer to the following table to identify the SODIMM channel locations. Table 6-1 Identifying SODIMM locations Location System Board Label Channel Lower Socket DIMM0...
- Page 48 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 49 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.
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Page 50: Replacing The Battery
Replacing the Battery The RTC battery is located near the memory modules under the memory access panel. Figure 6-23 Battery location The battery is located in the memory compartment. 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. - Page 51 NOTE: The lifetime of the lithium battery can be extended by plugging the computer into a live AC wall socket. 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.
- Page 52 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.
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Page 53: 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 26). - Page 54 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 Chapter 6 Removal and Replacement Procedures All-in One (AIO) Chassis...
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Page 55: 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 26). - Page 56 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.
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Page 57: Processor
Processor Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page 26). Remove the center access panel (see Hinge Cover Panel on page 27). Remove the memory access panel (see Memory Access Panel on page 29). Remove the drive access panel (see Drive Access Panel on page 31). - Page 58 If reusing the existing fan sink, clean the bottom of the fan sink with the alcohol pad provided in the spares kit. CAUTION: Before reinstalling the fan sink you must clean the top of the processor and the bottom of the fan sink with an alcohol pad supplied in the spares kit. After the alcohol has evaporated, apply thermal grease to the top of the processor from the syringe supplied in the spares kit.
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Page 59: 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 26). -
Page 60: 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 26). - Page 61 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.
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Page 62: 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 26). Remove the center access panel (see Hinge Cover Panel on page 27). -
Page 63: 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 64: 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 65 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.
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Page 66: 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 67 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. ●...
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Page 68: 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 69 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 Sidekey Board...
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Page 70: 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 71 To remove the system board shield: Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page 26). Remove the center access panel (see Hinge Cover Panel on page 27). Remove the memory access panel (see Memory Access Panel on page 29).
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Page 72: 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 26). - Page 73 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.
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Page 74: 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 26). - Page 75 Remove the speakers from the computer. Figure 6-58 Removing the speakers To install the speakers, reverse the removal procedures. Speakers...
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Page 76: 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 77 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.
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Page 78: 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 eight 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 79: Updating Smbios Information
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 80: System Id Setup Page
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 81: 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 82 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.
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Page 83: 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 26). - Page 84 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. Chapter 6 Removal and Replacement Procedures All-in One (AIO) Chassis...
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Page 85: 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 86: 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 87 Remove the top panel (see Top Panel on page 51). Remove the rear cover (see Rear Cover on page 55). Remove the power switch assembly from the front bezel (see Power Switch Assembly on page 82). 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 88 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 89 Samsung To install a display panel, reverse the removal procedures. Display Panel...
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Page 90: 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 91 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. Power Switch Assembly...
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Page 92: Troubleshooting Without Diagnostics
Troubleshooting Without Diagnostics This chapter provides information on how to identify and correct minor problems, such as diskette drive, hard drive, optical drive, graphics, audio, memory, and software problems. If you encounter problems with the computer, refer to the tables in this chapter for probable causes and recommended solutions. -
Page 93: 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 94 There is no sound or sound volume is too low. Cause Solution System volume may be set low or muted. Check the F10 BIOS settings to make sure the internal system speaker is not muted (this setting does not affect the external speakers). Make sure the external speakers are properly connected and powered on and that the speakers' volume control is set correctly.
- Page 95 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.
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Page 96: 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 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:... - Page 97 Disk transaction problem. Cause Solution Either the directory structure is bad or there is a problem with Right-click Start, click Explore, and right-click on a drive. a file. Select Properties then select the Tools tab. Under Error- checking click Check Now. Drive not found (identified).
- Page 98 Table 7-3 Solving Hard Drive Problems (continued) Nonsystem disk/NTLDR missing message. Cause Solution Bootable hard drive is not attached as first in a multi-hard If attempting to boot from a hard drive, ensure it is attached drive configuration. to the system board dark blue SATA connector. Bootable hard drive's controller is not listed first in the Boot Run the Computer Setup utility and select Storage >...
- Page 99 The removable hard drive enclosure is beeping and the green LED is flashing. Cause Solution Fan failure alarm on the removable hard drive enclosure has Shut down the computer and contact HP for a replacement been activated. enclosure. Solving Hard Drive Problems...
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Page 100: Solving Media Card Reader Problems
Solving Media Card Reader Problems Table 7-4 Solving Media Card Reader Problems A write-protected or locked error occurs when attempting to write to the media card. Cause Solution Media card is locked. Locking the media card is a safety If using an SD card, make sure that the lock tab located on feature that prevents writing to and deleting from an SD/ the right of the SD card is not in the locked position. -
Page 101: Solving Display Problems
After inserting a media card in the reader, the computer attempts to boot from the media card. Cause Solution The inserted media card has boot capability. If you do not want to boot from the media card, remove it during boot or do not select the option to boot from the inserted media card during the boot process. - Page 102 Blank screen and the power LED flashes red six times, once every second, followed by a two second pause, and the computer beeps six times. (Beeps stop after fifth iteration but LEDs continue flashing.) Cause Solution Pre-video graphics error. For systems with a graphics card: Reseat the graphics card.
- Page 103 The picture is broken up, rolls, jitters, or flashes. Cause Solution The monitor connections may be incomplete or the monitor In a two-monitor system or if another monitor is in close may be incorrectly adjusted. proximity, be sure the monitors are not interfering with each other’s electromagnetic field by moving them apart.
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Page 104: Solving Audio Problems
Certain typed symbols do not appear correct. Cause Solution The font you are using does not support that particular Use the Character Map to locate and select the appropriate symbol. symbol. Click Start > All Programs > Accessories > System Tools > Character Map. You can copy the symbol from the Character Map into a document. - Page 105 Table 7-6 Solving Audio Problems (continued) Sound does not come out of the speaker or headphones. Cause Solution Internal speaker is disabled in Computer Setup. Enable the internal speaker in Computer Setup. Select Advanced > Device Options > Internal Speaker. The application is set to use a different audio device than Some graphics cards support audio over the DisplayPort speakers.
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Page 106: 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 107: Solving Keyboard And Mouse Problems
Printer is offline. Cause Solution The printer may be out of paper. Check the paper tray and refill it if it is empty. Select online. 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. - Page 108 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. Press the Ctrl keys at the same time (or press Windows logo key) to display the Start menu.
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Page 109: 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 110: Solving Network Problems
Power LED flashes red five times, once every second, followed by a two second pause, and the computer beeps five times. (Beeps stop after fifth iteration but LEDs continue flashing.) Cause Solution Memory is installed incorrectly or is bad. CAUTION: To avoid damage to the DIMMs or the system board, you must unplug the computer power cord before attempting to reseat, install, or remove a DIMM module. - Page 111 Table 7-11 Solving Network Problems Wake-on-LAN feature is not functioning. Cause Solution S5 Maximum Power Saving feature is enabled. Disable the S5 Maximum Power Saving option in Computer Setup. Select Power > Hardware Power Management > S5 Maximum Power Saving. S5 Wake on LAN is disabled.
- Page 112 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.
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Page 113: Solving Memory Problems
New network card will not boot. Cause Solution New network card may be defective or may not meet Install a working, industry-standard NIC, or change the boot industry-standard specifications. sequence to boot from another source. Cannot connect to network server when attempting Remote System Installation. Cause Solution The network controller is not configured properly. -
Page 114: Solving Processor Problems
Out of memory error. Cause Solution Memory configuration may not be set up correctly. Use the Device Manager to check memory configuration. You have run out of memory to run the application. Check the application documentation to determine the memory requirements. Memory count during POST is wrong. -
Page 115: Solving Cd-Rom And Dvd Problems
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). Make sure the processor heat sink is installed properly. Power LED flashes red three times, once every second, followed by a two second pause. - Page 116 Drive not found (identified). Cause Solution Cable could be loose. Check cable connections. The system may not have automatically recognized a newly See reconfiguration directions in the Solving Hardware installed device. Installation Problems on page 101 section. If the system still does not recognize the new device, check to see if the device is listed within Computer Setup.
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Page 117: Solving Usb Flash Drive Problems
CD-ROM, CD-RW, DVD-ROM, or DVD-R/RW drive cannot read a disc or takes too long to start. Cause Solution Media has been inserted upside down. Re-insert the media with the label facing up. The DVD-ROM drive takes longer to start because it has to Wait at least 30 seconds to let the DVD-ROM drive determine the type of media played, such as audio or video. -
Page 118: Solving Internet Access Problems
System will not boot from USB flash drive. Cause Solution Boot order is not correct. Run the Computer Setup utility and change boot sequence in Storage > Boot Order. Removable Media Boot is disabled in the Computer Setup Run the Computer Setup utility and enable booting to utility. - Page 119 Table 7-16 Solving Internet Access Problems (continued) 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 Select Start > Control Panel. information that a Web server can store temporarily with the Click Network and Internet.
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Page 120: Solving Software Problems
Solving Software Problems Most software problems occur as a result of the following: ● The application was not installed or configured correctly. ● There is insufficient memory available to run the application. ● There is a conflict between applications. ● Be sure that all the needed device drivers have been installed. -
Page 121: 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 122: 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 8-1 Numeric Codes and Text Messages Control panel message... -
Page 123: Interpreting Post Diagnostic Front Panel Leds
Interpreting POST Diagnostic Front Panel LEDs 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 124: Password Security And Resetting Cmos
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 125: 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 126: Resetting The Setup And Power-On Password
Resetting the Setup and Power-on Password To disable the power-on or setup password features, or to clear the power-on or setup passwords, complete the following steps: Shut down the operating system properly, then turn off the computer and any external devices, and disconnect the power cord from the power outlet. -
Page 127: Resetting Cmos
Resetting CMOS The computer’s configuration memory (CMOS) stores information about the computer’s configuration. CAUTION: Removing and replacing the CMOS jumper will reset CMOS values to factory defaults. It is important to back up the computer CMOS settings before resetting them in case they are needed later. -
Page 128: 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 129: 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 130: 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 131 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 123...
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Page 132: Index
Index hardware installation problems audible codes 115 display cable audio problems 96 removing 75 heat sink display panel removing 47 removing 78 heat sink cover battery drive access panel removing 45 disposal 25 removing 31 hinge cover panel battery replacement 42 removing 27 booting options Full Boot 113... - Page 133 removal and replacement software procedures problems 112 opening the computer 26 operating guidelines 22 All-in One chassis 26 servicing computer 24 spare part number optical drive converter board 58 removing 33 display cable 75 tamper-resistent wrench 24 optical drive connector display panel 78 Torx T-15 screwdriver 24 drive access panel 31...