Maintenance & Service Guide HP ProOne 400 G1 23-inch Non-Touch All-in-One Business PC...
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Table of contents 1 Product features ....................... 1 Overview ..........................1 Front components ........................3 Side components ........................4 Rear components ........................5 Adjusting the stand ........................6 Serial number location ......................7 2 Activating and Customizing the Software ................8 Activating and customizing the software in Windows 7 ..............
Personal grounding methods and equipment .............. 20 Grounding the work area ..................20 Recommended materials and equipment ..............20 Operating guidelines ......................21 Routine care .......................... 22 General cleaning safety precautions ................22 Cleaning the Computer Case ..................22 Cleaning the keyboard .................... 22 Cleaning the monitor ....................
7 HP PC Hardware Diagnostics ..................95 Why run HP PC Hardware Diagnostics ..................95 How to access and run HP PC Hardware Diagnostics ..............95 Downloading HP PC Hardware Diagnostics to a USB device ............96 8 Troubleshooting Without Diagnostics ................97...
Before You Call for Technical Support ..................97 Helpful Hints .......................... 98 Solving General Problems ..................... 100 Solving Power Problems ......................104 Solving Hard Drive Problems ....................106 Solving Media Card Reader Problems ..................109 Solving Display Problems ...................... 111 Solving Audio Problems ......................
11 Password Security and Resetting CMOS ..............160 Establishing a Setup or Power-on password ................161 Resetting the Setup and Power-on password ................161 Changing a Setup or Power-On password ................163 Deleting a Setup or Power-On password ................. 163 Clearing and resetting the CMOS ..................
Up to 2 TB Hard Drive, 180 GB Solid State Drive, 256 GB Self-encrypting Solid State Drive, 500 ● GB Self-encrypting Drive, or 1 TB Solid State Hard Drive Optional Tray-load HP SuperMulti DVD+/-RW SATA Optical Disc Drive, DVD-ROM Disc Drive, or ● Slim BDXL Blu-ray Writer Intel H81 Express chipset ●...
● Choice of wired or wireless keyboard and mouse ● Wired USB keyboard and mouse ◦ HP USB–PS/2 washable keyboard and mouse ◦ Wireless keyboard and mouse ◦ Windows 7 Professional 32-bit or 64-bit or Windows® 8.1 Professional 64-bit operating system ●...
HP 5-in-1 media card reader (optional) Optical disc drive eject button USB 3.0 port Optical disc drive activity LED USB 3.0 port, fast-charging Hard disc drive activity LED Microphone jack HP 5-in-1 medial card reader (optional) LED Headphone jack Chapter 1 Product features...
Rear components Component Component Access panel Power supply connector Access panel security screw (storage position) Power supply DC-in activity LED Security screw hole (locking position) RJ-45 Gigabit Ethernet port DisplayPort port (4) USB 2.0 ports Serial port Stereo audio line out Cable lock slot Rear components...
Serial number location The computer has a unique serial number and a product ID number that are located on the exterior of the computer. Keep these numbers available for use when contacting customer service for assistance. Serial number location...
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.
Downloading Windows 7 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. To set up your Internet connection, click Start > All Programs > Internet Explorer and follow the instructions on the screen.
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.
Illustrated parts catalog NOTE: HP continually improves and changes product parts. For complete and current information on supported parts for your computer, go to http://partsurfer.hp.com, select your country or region, and then follow the on-screen instructions. System unit System unit...
Foot cover (includes left and right covers) Speakers Removable frame carrier (used to install a 2.5-inch hard drive in the optical drive bay) Optical drive bezel HP Ultraslim Keyed Cable Lock (not illustrated) Mouse (not illustrated) USB, optical USB, laser...
Routine care, SATA drive guidelines, 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.
Generating static The following table shows that: Different activities generate different amounts of static electricity. ● Static electricity increases as humidity decreases. ● Relative Humidity Event Walking across carpet 7,500 V 15,000 V 35,000 V Walking across vinyl floor 3,000 V 5,000 V 12,000 V Motions of bench worker...
Personal grounding methods and equipment Use the following equipment to prevent static electricity damage to equipment: Wrist straps are flexible straps with a maximum of one-megohm ± 10% resistance in the ground ● cords. To provide proper ground, a strap must be worn snug against bare skin. The ground cord must be connected and fit snugly into the banana plug connector on the grounding mat or workstation.
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 ● Wrist straps and footwear straps providing one-megohm +/- 10% resistance ●...
Never cover the ventilation slots on the monitor with any type of material. ● Install or enable power management functions of the operating system or other software, including ● sleep states. 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;...
CAUTION: Use safety glasses equipped with side shields before attempting to clean debris from under the keys. Visible debris underneath or between the keys may be removed by vacuuming or shaking. ● Canned, pressurized air may be used to clean debris from under the keys. Caution should be used ●...
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.
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. SATA hard drives...
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. SATA data cables are susceptible to damage if overflexed. Never crease a SATA data cable and never bend it tighter than a 30 mm (1.18 in) radius.
The following sections provide information about disassembling various components of the computer. NOTE: HP continually improves and changes product parts. For complete and current information on supported parts for your computer, go to http://partsurfer.hp.com, select your country or region, and then follow the on-screen instructions. Preparing to disassemble the computer To avoid injury and equipment damage, always complete the following steps in order, when opening the computer.
Installing an rear cover security screw You may prevent access to internal components by securing the rear cover. Remove the T15 tamper- resistant Torx security screw from the storage position in the rear of the computer and screw it into the security screw hole (locking position) to prevent removal of the rear cover.
Synchronizing the optional wireless keyboard and mouse The optional wireless keyboard and mouse are easy to set up. Just remove the battery tabs on both the keyboard and the mouse to activate the preinstalled batteries. NOTE: For better mouse battery life and performance, avoid using your mouse on a dark or high- gloss surface, and turn mouse power off when not in use.
Rear cover The computer has one main rear cover that allows access to internal components. To remove the rear cover: Prepare the computer for disassembly (see Preparing to disassemble the computer on page 27). Loosen the two captive screws at the bottom of the computer (1) to release the bottom edge of the rear cover.
Stand The computer stand is secured to a VESA mount inside the computer chassis. You can remove the stand and install the computer on a wall, monitor arm, or other mounting fixture. To remove the stand: Prepare the computer for disassembly (see Preparing to disassemble the computer on page 27).
Foot covers are stored on the inside of the rear cover. After you remove the stand, install the covers in the stand mount gaps. NOTE: Only the left cover is shown. Be sure to install the right cover as well. If you need to replace the rear cover with the stand removed (to prepare the computer for VESA mounting), set the top edge of the rear cover down on the top edge of the computer chassis (1).
Rotate the bottom edge of the rear cover down (2) and press it firmly onto the chassis until it locks into place. Tighten the captive screws (3) to secure the rear cover in place. The computer is now ready to be mounted to a wall, monitor arm, or other mounting fixture. Replacing drives Description Optical drives:...
● One 2.5-inch solid state drive (SSD), self-encrypting drive (SED), or solid state hybrid drive (SSHD) ● NOTE: The 2.5-inch drive option kit from HP also contains the adapter required to install this drive. Removing a hard drive ● Installing a hard drive ●...
Remove the rear cover (see Rear cover on page 30). The hard drive cage can now be seen in the lower left side of the chassis. Loosen the captive screw securing the hard drive cage in the chassis (1). Slide the hard drive cage left, and then lift it out of the chassis (2). Remove the four mounting screws (1) securing the 3.5-inch hard drive in the hard drive cage.
Slide the 3.5-inch hard drive out of the hard drive cage (2). For instructions on installing a hard drive, see Installing a hard drive on page Removing a 2.5-inch solid state drive (SSD), self-encrypting drive (SED), or solid state hybrid drive (SSHD) Prepare the computer for disassembly (see Preparing to disassemble the computer on page...
Slide the hard drive cage left, and then lift it out of the chassis (2). Remove the four mounting screws (1) securing the 2.5-inch drive adapter in the hard drive cage. Be sure to keep the screws together with the blue rubber grommets to use to install a replacement drive.
Slide the 2.5-inch hard drive out of the drive adapter (2). For instructions on installing a hard drive, see Installing a hard drive on page Installing a hard drive Installing a 3.5-inch hard drive ● Installing a 2.5-inch solid state drive (SSD), self-encrypting drive (SED), or solid state hybrid drive ●...
With the 3.5-inch hard drive connector facing toward the center of the chassis, place the hard drive cage into the chassis and slide it toward the center until it snaps into place (1). Tighten the captive screw (2) to secure the hard drive cage in the chassis. Installing a 2.5-inch solid state drive (SSD), self-encrypting drive (SED), or solid state hybrid drive (SSHD) Insert the 2.5-inch solid state drive (SSD), self-encrypting drive (SED), or solid state hybrid drive...
Screw the four mounting screws with grommets through the sides of the hard drive cage into the 2.5-inch drive adapter (2). Be sure to keep the blue rubber grommets behind each screw. With the 2.5-inch drive connector facing toward the center of the chassis, place the drive cage into the chassis and slide it toward the center until it snaps into place (1).
Remove the rear cover (see Rear cover on page 30). The optical disc drive can now be seen in the upper left side of the chassis. Loosen the captive screw (1) through the optical disc drive bracket that secures the optical disc drive to the chassis.
Remove the two screws attaching the optical disc drive bracket to the optical disc drive. Place the new optical disc drive into the chassis and push the drive in firmly until it snaps into place. NOTE: The optical disc drive can be installed in only one way. Tighten the captive screw through the optical disc drive bracket to secure the drive to the chassis.
Webcam module On products that ship with a webcam module, the module is located at the top of the computer. It is secured with two Phillips screws and has one connector. To remove the webcam module: Prepare the computer for disassembly (see Preparing to disassemble the computer on page 27).
Rotate the assembly to gain access to the connector on the module, and then disconnect the cable from the module. NOTE: To avoid damaging the connector when disconnecting the cable, be sure to pull the cable straight out of the connector at a vertical (90°) angle. To install a webcam module, reverse the removal procedures.
Speakers Speakers are located at the bottom of the computer. Two separate speakers are each secured by two Torx screws. To remove the speakers: Prepare the computer for disassembly (see Preparing to disassemble the computer on page 27). Remove the rear cover (see Rear cover on page 30).
Disconnect the speaker cable from the system board connector. NOTE: You do not have to remove the system board shield to disconnect the speakers from the system board. Remove the speakers from the computer. To install the speakers, reverse the removal procedures. Chapter 5 Removal and Replacement Procedures All-in One (AIO) Chassis...
Antenna The antennas route from the WLAN card to the top of the computer. To remove the antenna: Prepare the computer for disassembly (see Preparing to disassemble the computer on page 27). Remove the rear cover (see Rear cover on page 30).
Bottom stand The bottom stand is secured to the bottom of the computer by six Torx screws. To remove the bottom stand: Prepare the computer for disassembly (see Preparing to disassemble the computer on page 27). Remove the rear cover (see Rear cover on page 30).
Remove the three screws that secure the right side of the stand to computer. Remove the stand. Reverse the removal procedures to replace the bottom stand. Bottom stand...
Front bezel The front bezel is located on the front of the computer and is secured to the main system bracket with seven Torx screws. You can separate the bezel from the computer with most of the computer assembled. You have to remove the rear cover, webcam, and bottom stand to remove the front bezel from the computer.
Power button board The power button board is located on the top left side of the computer (when viewed from behind). It is secured to a removable bracket that is connected to the computer with one Torx screw. The board has one connector and is secured to the bracket with two Phillips screws.
Disconnect the cable from the power button board (1), and then remove the Torx screw (2) that secures the bracket to the computer. To remove the board from the bracket, remove the two Phillips screws that secure the board to the bracket.
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. Use the same converter spare part for all display panels; however, you must change jumper settings on the board based on the display panel manufacturer.
Be sure to correctly position the jumpers on the converter board based on the manufacturer of the installed display panel. Jumper settings are printed on the converter board. CAUTION: Incorrect jumper placement can result in damage to the converter board and display panel.
VESA panel The VESA panel is located under the rear stand. To remove the VESA panel: Prepare the computer for disassembly (see Preparing to disassemble the computer on page 27). Remove the rear cover (see Rear cover on page 30). Remove the three screws securing the VESA panel to the chassis (1), and then lift the panel out of the chassis (2).
System board shield The system board shield is located on the right side of the computer (when viewed from behind). To remove the system board shield: Prepare the computer for disassembly (see Preparing to disassemble the computer on page 27). Remove the rear cover (see Rear cover on page 30).
SODIMMs constructed with x8 and x16 SDRAMs; SODIMMs constructed with x4 SDRAMs are not ● supported NOTE: The system will not operate properly if you install unsupported SODIMM memory. HP offers upgrade memory for this computer and advises that the consumer purchase it to avoid compatibility issues with unsupported third-party memory. Memory...
Populating SODIMM sockets 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. Location System board label Channel Lower Socket SODIMM1...
Remove the system board shield (see System board shield on page 56). The memory modules can now be seen in the right side of the chassis. 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).
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. NOTE: A memory module can be installed in only one way. Match the notch on the module with the tab on the memory 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. For more information about recycling programs, go to http://www.hp.com/...
Remove the system board shield (see System board shield on page 56). The battery can now be seen on the left side of the memory modules. To release the battery from its holder, insert a thin metal instrument into the slot on the side of the holder below the battery (1) and pry the battery up and out of the holder (2).
The fan is located near the middle of the computer and is secured with three Torx screws. You do not have to remove the heat sink to remove the fan. To remove the fan assembly: Prepare the computer for disassembly (see Preparing to disassemble the computer on page 27).
Remove the fan from the computer (3). To install the fan assembly, reverse the removal procedures. NOTE: To avoid damaging the rubber screw grommets installed around the captive screws, when installing the fan, push down on the fan assembly before you tighten the screws. Make sure the grommets are positioned correctly before tightening the screws.
Heat sink The heat sink is located near the middle of the computer and is secured with four captive Torx screws and one non-captive Torx screw. You do not have to remove the heat sink to remove the fan. To remove the heat sink: Prepare the computer for disassembly (see Preparing to disassemble the computer on page 27).
In the order indicated on the heat sink, loosen the four captive Torx screws (2), and then lift the heat sink out of the computer. CAUTION: Be sure the loosen the screws in the order indicated by the numbers stamped on the heat sink.
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.www.hp.com/support. Chapter 5 Removal and Replacement Procedures All-in One (AIO) Chassis...
WLAN module Description HP WLAN 802.11 a/b/g/n + Bluetooth 4.0 HP WLAN 802.11 a/b/g/n, 2x2 The WLAN module is located on the upper right corner of the system board. The module is secured with one Phillips screw and has two connected antennas.
Lift the module to a 45-degree angle (3), and then pull it away to remove it from the socket. To install the WLAN module, reverse the removal procedures. NOTE: WLAN modules are designed with a notch to prevent incorrect insertion. Chapter 5 Removal and Replacement Procedures All-in One (AIO) Chassis...
Hard drive and optical drive cables and connectors Description Optical drive cable Hard drive cable The hard drive and optical drive connectors are located near the middle of the computer. Each connector is secured with two Torx screws and has two cables that connect to the system board. The optical drive connector cables are longer than the hard drive connector cables.
Disconnect the optical drive cables (2) or the hard drive cables (4) from the system board. NOTE: To avoid damaging the connector when disconnecting the cable, be sure to pull the cable straight out of the connector at a vertical (90°) angle. Remove the connector from the computer.
System board Description System board for use in models without the Windows 8 operating system System board for use in models with Windows 8 Standard System board for use in models with Windows 8 Professional The system board is located on the right side of the computer (when viewed from behind). It is secured with nine Torx screws.
Remove the nine Torx screws that secure the system board to the computer. Remove the system board from the computer. To install the system board, reverse the removal procedures. Updating SMBIOS Information When replacing the system board, you must reprogram the SMBIOS information on the affected computer.
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 Label...
System board callouts Use the following image and table to locate components on the system board. Chapter 5 Removal and Replacement Procedures All-in One (AIO) Chassis...
Sys Bd Label Sys Bd Color Sys Bd Label Sys Bd Color Connector Connector LVDS Display connector Black Main power Black connector PB/LED Power switch Black DISPLAYPORT DisplayPort Silver connector connector WEBCAM Camera connector Black RTC battery socket Black X1PCIEXP11 PCIe x1 slot Black SATA0...
You MUST remove and replace all parts that come in the kit. NOTE: Do not reuse any old parts. Return all old parts to HP for warranty processing. Display panels are available from two different manufacturers — SOC and BOE.
Remove the four Torx screws that secure the display panel to the frame. The screw locations for each panel size are stamped into the metal. This model uses a 23 inch display. Display panel screw locations: Display panel screw sizes stamped into chassis: Display panel...
Separate the panel from the bracket in the bottom left corner to gain access to the backlight cable connector on the display panel. Disconnect the backlight cable from the display panel. NOTE: Replace the backlight cable with the new backlight cable that comes with the new display panel kit.
You MUST remove and replace all parts that come in the kit. NOTE: Do not reuse any old parts. Return all old parts to HP for warranty processing. NOTE: You must remove and reuse the display brackets when you replace the panel.
Cable routing and component installation Use the following image as a reference for how cables are routed and components are installed in the computer. Chapter 5 Removal and Replacement Procedures All-in One (AIO) Chassis...
Computer Setup (F10) Utility Computer Setup (F10) Utilities IMPORTANT: A connected keyboard is required to access Computer Setup. 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, ●...
Enable or disable removable media boot ability. ● 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. Enable or disable DriveLock security (when supported by drive).
Computer Setup—File NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration. Option Description System Information Lists: Product name ● Manufacturer ● SKU number ● Processor type/speed/stepping ● Installed memory size/speed, number of channels ● Integrated MAC address for embedded, enabled NIC (if applicable) ●...
Computer Setup—Storage NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration. Option Description Device Lists all installed BIOS-controlled storage devices. Configuration When a device is selected, detailed information and options are displayed. The following options may be presented: Hard Disk: Size, model, firmware version, serial number, connector color, SMART.
Boot Order Allows you to: EFI Boot Sources: Specify the order in which EFI boot sources (such as a internal hard drive, ● USB hard drive, USB optical drive, or internal optical drive) are checked for a bootable operating system image. Each device on the list may be individually excluded from or included for consideration as a bootable operating system source.
Computer Setup—Security NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration. 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.
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. System IDs Allows you to set: Asset tag (18-byte identifier), a property identification number assigned by the company to the...
(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.
Computer Setup—Power NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration. Option Description OS Power Runtime Power Management— Enable/Disable. Allows certain operating systems to reduce ● Management processor voltage and frequency when the current software load does not require the full capabilities of the processor.
Computer Setup—Advanced Option Heading Power-On Options Allows you to set: POST mode (QuickBoot, Clear Memory, FullBoot, or FullBoot Every x Days). ● QuickBoot (default) = Do not clear memory or perform a memory test. ◦ FullBoot = Memory test (count) on cold boot. Clears memory on all boots. ◦...
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. To hide a device from the operating system, see Security > Device Security. Bus Options Allows you to enable or disable: PCI SERR# Generation.
Recovering the Configuration Settings This method of recovery requires that you first perform the Save to Removable Media command with the Computer Setup (F10) Utility before Restore is needed. (See Computer Setup—File on page 85 in the Computer Setup—File table.) NOTE: It is recommended that you save any modified computer configuration settings to a USB flash media device and save the device for possible future use.
Why run HP PC Hardware Diagnostics The HP PC Hardware Diagnostic tools simplify the process of diagnosing hardware issues and expedite the support process when issues are found. The tools save time by pinpointing the component that needs to be replaced.
Downloading HP PC Hardware Diagnostics to a USB device There are two options to download HP PC Hardward Diagnostics to USB device. Option 1: HP PC Diagnostics homepage–Provides access to the latest UEFI version. Go to http://www.hp.com. Click the UEFI Dowload link, and then select Run.
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 Computer Setup (F10) Utility on page 83 ●...
● 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/go/ispe.
Check the Power LED on the front of the computer to see if it is flashing red. The flashing lights are ● error codes that will help you diagnose the problem. Refer to Appendix A, POST Error Messages on page 148 for more information.
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.
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.
Table 8-1 Solving General Problems (continued) Poor performance. Cause Solution Hard drive fragmented. Defragment hard drive. Program previously accessed did not release reserved memory Restart the computer. back to the system. Virus resident on the hard drive. Run virus protection program. Too many applications running.
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.
Solving Power Problems Common causes and solutions for power problems are listed in the following table. Table 8-2 Solving Power Problems Power supply shuts down intermittently. Cause Solution If equipped with a voltage selector, voltage selector switch on Select the proper AC voltage using the selector switch. rear of computer chassis (some models) not switched to correct line voltage (115V or 230V).
The power supply adapter must be at the correct power rating the All-in One or USDT. 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...
Solving Hard Drive Problems Table 8-3 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.
Table 8-3 Solving Hard Drive Problems (continued) Drive not found (identified). Cause Solution The device is attached to a SATA port that has been hidden in Run the Computer Setup utility and ensure Device Available Computer Setup. is selected for the device's SATA port in Security > Device Security.
Table 8-3 Solving Hard Drive Problems (continued) Computer will not boot from hard drive. Cause Solution Hard Drive's “Emulation Type” is set to “None.” (some Run the Computer Setup utility and change the “Emulation models) Type” to “Hard Disk” in the device's details under Storage > Device Configuration.
Solving Media Card Reader Problems Table 8-4 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.
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.
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 8-5 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.
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. 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.
Dim characters. Cause Solution The brightness and contrast controls are not set properly. Adjust the monitor brightness and contrast controls. Cables are not properly connected. Check that the graphics cable is securely connected to the graphics card (if applicable) or video connector and the monitor.
“No Connection, Check Signal Cable” displays on screen. Cause Solution Monitor video cable is disconnected. Connect the video cable between the monitor and computer. CAUTION: Ensure that the computer power is off while connecting the video cable. “Out of Range” displays on screen. Cause Solution Video resolution and refresh rate are set higher than what the...
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 models). Reseat the graphics card.
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 8-6 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.
Table 8-6 Solving Audio Problems (continued) Sound does not come out of the speaker or headphones. Cause Solution The application is set to use a different audio device than Some graphics cards support audio over the DisplayPort speakers. connection (if applicable), so multiple audio devices may be listed in Device Manager.
There is no sound or sound volume is too low. Cause Solution The application is set to use a different audio device than Some graphics cards support audio over the DisplayPort speakers. connection (if applicable), so multiple audio devices may be listed in Device Manager.
Printer will not turn on. Cause Solution The cables may not be connected properly. Reconnect all cables and check the power cord and electrical outlet. Printer prints garbled information. Cause Solution The correct printer driver for the application is not installed. Install the correct printer driver for the application.
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 8-8 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.
Table 8-9 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 the Windows logo...
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.
DIMM1 or XMM1 must always be installed. On all computers except the USDT, DIMM1 must be installed before DIMM2, and DIMM3 must be installed before DIMM4 Replace third-party memory with HP memory. Replace the system board. Solving Hardware Installation Problems...
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 Graphics card (some models) is not seated properly or is bad, For systems with a graphics card: or system board is bad.
Table 8-11 Solving Network Problems (continued) Wake-on-LAN feature is not functioning. Cause Solution S5 Wake on LAN is disabled (some models). Enable the S5 Wake on LAN option in Computer Setup. Select Advanced > Device Options > S5 Wake on LAN.
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.
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.
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.
NOTE: The memory count will be affected by configurations with the Management Engine (ME) enabled. The ME uses 8MB of system memory in single channel mode or 16MB of memory in dual- channel mode to download, decompress, and execute the ME firmware for Out-of-Band (OOB), third- party data storage, and other management functions.
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. Solving Processor Problems If you encounter processor problems, common causes and solutions are listed in the following table.
Solving CD-ROM and DVD Problems If you encounter CD-ROM or DVD problems, see the common causes and solutions listed in the following table or to the documentation that came with the optional device. Table 8-14 Solving CD-ROM and DVD Problems System will not boot from CD-ROM or DVD drive.
CD-ROM or DVD devices are not detected or driver is not loaded. Cause Solution Drive is not connected properly or not properly configured. See the documentation that came with the optional device. Movie will not play in the DVD drive. Cause Solution Movie may be regionalized for a different country.
Recording or copying CDs is difficult or impossible. Cause Solution Wrong or poor quality media type. Try using a slower speed when recording. Verify that you are using the correct media for the drive. Try a different brand of media. Quality varies widely between manufacturers.
The computer boots to DOS after making a bootable flash drive. Cause Solution Flash drive is bootable. Install the flash drive only after the operating system boots. Flash drive is defective. Try a different flash drive. 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.
Solving Internet Access Problems If you encounter Internet access 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 Provider (ISP) account is not set up properly. Verify Internet settings or contact your ISP for assistance.
● 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.
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.
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.
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.
System Recovery WARNING! This procedure will delete all user information. To prevent loss of information, be sure to back up all user information so you can restore it after recovery. 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.
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…...
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.
capacity, it will appear grayed out, and you must replace it with a larger USB flash drive. Click Next. NOTE: Recovery Media Creation formats the flash drive, deleting any files on it. Follow the on-screen instructions. When the process is complete, label the USB flash drive and store it in a secure place.
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.
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 –...
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:...
NOTE: This process takes several minutes. If possible, back up all personal files. Restart the computer, and then follow the instructions provided with the Windows 8 operating system media to install the operating system. When prompted, press any keyboard key. Follow the on-screen instructions.
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.
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 10-1 Numeric Codes and Text Messages Control panel message...
Memory configuration incorrect. Run Computer Setup or Windows utilities. Make sure the memory module(s) are installed properly. If third-party memory has been added, test using HP-only memory. Verify proper memory module type. 201-Memory Error RAM failure. Ensure memory modules are correctly installed.
Table 10-1 Numeric Codes and Text Messages (continued) Control panel message Description Recommended action 304-Keyboard or System Unit Error Keyboard failure. Reconnect the keyboard with computer turned off. Ensure that none of the keys are depressed. Replace the keyboard. Replace the system board. 501-Display Adapter Failure Graphics display controller.
Drive Protection System test under F2 Diagnostics.. Apply hard drive firmware patch if applicable. (Available at http://www.hp.com/support.) Back up contents and replace hard drive. 1796-SATA Cabling Error One or more SATA devices are improperly Ensure SATA connectors are used in attached.
Table 10-1 Numeric Codes and Text Messages (continued) Control panel message Description Recommended action 1801-Microcode Patch Error Processor is not supported by ROM BIOS. Upgrade BIOS to proper version. Change the processor. 2200-PMM Allocation Error during MEBx Memory error during POST execution of the Reboot the computer.
Table 10-1 Numeric Codes and Text Messages (continued) Control panel message Description Recommended action 2204-Inventory error during MEBx execution BIOS information passed to the MEBx Reboot the computer. resulted in a failure. If the error persists, update to the latest BIOS version.
Table 10-1 Numeric Codes and Text Messages (continued) Control panel message Description Recommended action 2220-USB Key Provisioning file has Provisioning file contained on the USB key is Reboot the computer. mismatch version not a valid version for the current ME If the error persists and system BIOS firmware.
Table 10-1 Numeric Codes and Text Messages (continued) Control panel message Description Recommended action Invalid Electronic Serial Number Electronic serial number is missing. Enter the correct serial number in Computer Setup. Network Server Mode Active and No Keyboard failure while Network Server Reconnect keyboard with computer Keyboard Attached Mode enabled.
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.
LEDs continue until Reseat DIMMs. problem is solved. Replace DIMMs one at a time to isolate the faulty module. Replace third-party memory with HP memory. Replace the system board. Red Power LED flashes six Pre-video graphics error. For systems with a graphics card: times, once every second, Reseat the graphics card.
Table 10-2 Diagnostic front panel LEDs and audible codes (continued) Activity Beeps Possible Cause Recommended Action Red Power LED flashes nine System powers on but is Unplug the AC power cord from the times, once every second, unable to boot. computer, wait 30 seconds, then plug the followed by a two second power cord back in to the computer.
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.
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.
Replace the jumper. Replace the rear cover. Reconnect the external equipment. Plug in the computer and turn on power. Allow the operating system to start. This clears the current passwords and disables the password features. Establish the new passwords in Computer Setup. See Computer Setup (F10) Utility on page 83 information.
Changing a Setup or Power-On password To change the power-on or setup password, complete the following steps: Turn on or restart the computer. To change the Setup password, go to step 2. To change the Power-on password, go to step 3. To change the Setup password, as soon as the computer turns on: Press the Esc key while “Press the ESC key for Startup Menu”...
Clearing and resetting the CMOS The computer’s configuration memory (CMOS) stores information about the computer’s configuration. The CMOS button resets CMOS but does not clear the power-on and setup passwords. Clearing CMOS will clear the Active Management Technology (AMT) settings in the Management Engine BIOS Extension (MEBx), including the password.
Locate, press, and hold the CMOS button in for five seconds. NOTE: Make sure you have disconnected the AC power cord from the wall outlet. The CMOS button will not clear CMOS if the power cord is connected. NOTE: For assistance locating the CMOS button and other system board components, see the Illustrated Parts &...
Statement of Volatility HP confirms that Intel-based HP ProOne 400 G1 23-inch Non-Touch All-in-One Business PC systems contain DDR3 volatile memory (memory amount depends on the customer configuration). In addition, the motherboard in the condition originally shipped without subsequent modification or the addition or...
Select File > Default Setup > Restore Factory Settings as Default. This action resets settings back to their factory defaults. Select File > Apply Defaults and Exit. Shut down the computer, remove the power cord, remove the access panel, and then replace the black jumper onto header E49.
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.
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...
Specifications Dimensions (with stand) 15.9 in 402.6 mm Height 22.0 in 557.9 mm Width 3.3 in 84.4 mm Depth Dimensions (without stand) 14.3 in 362.9 mm Height 22.0 in 557.9 mm Width 2.3 in 59.4 mm Depth Approximate Weight 17.6 lb – 17.9 lbs 7.99 kg –...
Maximum Altitude (unpressurized) 0 - 10,000 ft 0 - 3,048 m Operating (This value may be limited by the type and number of options installed. Maximum allowable altitude change rate is 1500 ft/min (457m/min)). 0 - 30,000 ft 0 - 9,144 m Non-operating (Maximum allowable altitude change rate is 1500 ft/min (457m/ min).)