HP ProOne 400 G2 Base Model 20-inch Touch All-in-One PC Manuel d'utilisateur

Maintenance & Service GuideHP ProOne 400 G1 23-inch Non-Touch All-in-OneBusiness PC

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DriveLock Security Allows you to assign or modify a master or user password for hard drives. When this feature isenabled, the user is prompted to prov

Computer Setup—PowerNOTE: Support for specific Computer Setup options may vary depending on the hardwareconfiguration.Option DescriptionOS PowerManage

Computer Setup—AdvancedOption HeadingPower-On Options Allows you to set:●POST mode (QuickBoot, Clear Memory, FullBoot, or FullBoot Every x Days).◦Quic

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 no

Recovering the Configuration SettingsThis method of recovery requires that you first perform the Save to Removable Media commandwith the Computer Setu

7 HP PC Hardware DiagnosticsTo help troubleshoot and diagnose failures, use the UEFI-based hardware diagnostic solution that HPincludes on all product

Downloading HP PC Hardware Diagnostics to a USBdeviceThere are two options to download HP PC Hardward Diagnostics to USB device.Option 1: HP PC Diagno

8 Troubleshooting WithoutDiagnosticsThis chapter provides information on how to identify and correct minor problems, such as USB devices,hard drive, o

●If you recently installed new software, uninstall the software and see if the computer functionsproperly.●Boot the computer to the Safe Mode to see i

●Check the Power LED on the front of the computer to see if it is flashing red. The flashing lights areerror codes that will help you diagnose the pro

1 Product featuresOverviewThe HP ProOne 400 G1 All-in-One offers the following features:●Integrated All-in-One form factor●58.4-cm (23-inch) diagonal

Solving General ProblemsYou may be able to easily resolve the general problems described in this section. If a problem persistsand you are unable to r

Cursor will not move using the arrow keys on the keypad.Cause SolutionThe Num Lock key is turned on. Press the Num Lock key. The Num Lock light must b

Table 8-1 Solving General Problems (continued)Poor performance.Cause SolutionHard drive fragmented. Defragment hard drive.Program previously accessed

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 t

Solving Power ProblemsCommon causes and solutions for power problems are listed in the following table.Table 8-2 Solving Power ProblemsPower supply s

Power LED flashes Red four times, once every second, followed by a two second pause, and thecomputer beeps four times. (Beeps stop after fifth iterati

Solving Hard Drive ProblemsTable 8-3 Solving Hard Drive ProblemsHard drive error occurs.Cause SolutionHard disk has bad sectors or has failed. 1. In

Table 8-3 Solving Hard Drive Problems (continued)Drive not found (identified).Cause SolutionThe device is attached to a SATA port that has been hidde

Table 8-3 Solving Hard Drive Problems (continued)Computer will not boot from hard drive.Cause SolutionHard Drive's “Emulation Type” is set to “N

Solving Media Card Reader ProblemsTable 8-4 Solving Media Card Reader ProblemsMedia card will not work in a digital camera after formatting it in Win

●Intel integrated graphics●DisplayPort video out (with audio) for second display support●Serial port●DP audio, DP to VGA/DVI/HDMI dongle support●Integ

Do not know how to remove a media card correctly.Cause SolutionThe computer’s software is used to safely eject the card. In Windows 7, click Start, se

Solving Display ProblemsIf you encounter display problems, see the documentation that came with the monitor and to thecommon causes and solutions list

Blank screen and the power LED flashes Red five times, once every second, followed by a two secondpause, and the computer beeps five times. (Beeps sto

Dim characters.Cause SolutionThe brightness and contrast controls are not set properly. Adjust the monitor brightness and contrast controls.Cables are

“No Connection, Check Signal Cable” displays on screen.Cause SolutionMonitor video cable is disconnected. Connect the video cable between the monitor

High pitched noise coming from inside a flat panel monitor.Cause SolutionBrightness and/or contrast settings are too high. Lower brightness and/or con

Solving Audio ProblemsIf the computer has audio features and you encounter audio problems, see the common causes andsolutions listed in the following

Table 8-6 Solving Audio Problems (continued)Sound does not come out of the speaker or headphones.Cause SolutionThe application is set to use a differ

There is no sound or sound volume is too low.Cause SolutionThe application is set to use a different audio device thanspeakers.Some graphics cards sup

Printer will not turn on.Cause SolutionThe cables may not be connected properly. Reconnect all cables and check the power cord and electricaloutlet.Pr

Front componentsComponent Component1 Dual microphone array (optional) 4 Power button2 Webcam activity LED (with optional webcam) 5 High-performance st

Solving Keyboard and Mouse ProblemsIf you encounter keyboard or mouse problems, see the documentation that came with the equipmentand to the common ca

Table 8-9 Solving Mouse ProblemsMouse does not respond to movement or is too slow.Cause SolutionMouse connector is not properly plugged into the back

Solving Hardware Installation ProblemsYou may need to reconfigure the computer when you add or remove hardware, such as an additionaldrive or expansio

Computer will not start.Cause SolutionWrong memory modules were used in the upgrade ormemory modules were installed in the wrong location.1. Review th

Power LED flashes Red six times, once every second, followed by a two second pause, and the computerbeeps six times. (Beeps stop after fifth iteration

Table 8-11 Solving Network Problems (continued)Wake-on-LAN feature is not functioning.Cause SolutionS5 Wake on LAN is disabled (some models). Enable

Network driver does not detect network controller.Cause SolutionNetwork controller is disabled. 1. Run Computer Setup and enable network controller.2.

Diagnostics reports a failure.Cause SolutionThe cable is not securely connected. Ensure that the cable is securely attached to the networkconnector an

Network controller stops working without apparent cause.Cause SolutionThe files containing the network drivers are corrupted. Reinstall the network dr

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 m

Side componentsComponent Component1 Tray-load optical disc drive 6 HP 5-in-1 media card reader (optional)2 Optical disc drive eject button 7 USB 3.0 p

Power LED flashes Red five times, once every second, followed by a two second pause, and thecomputer beeps five times. (Beeps stop after fifth iterati

Solving CD-ROM and DVD ProblemsIf you encounter CD-ROM or DVD problems, see the common causes and solutions listed in thefollowing table or to the doc

CD-ROM or DVD devices are not detected or driver is not loaded.Cause SolutionDrive is not connected properly or not properly configured. See the docum

Recording or copying CDs is difficult or impossible.Cause SolutionWrong or poor quality media type. 1. Try using a slower speed when recording.2. Veri

The computer boots to DOS after making a bootable flash drive.Cause SolutionFlash drive is bootable. Install the flash drive only after the operating

Solving Internet Access ProblemsIf you encounter Internet access problems, consult your Internet Service Provider (ISP) or refer to thecommon causes a

Solving Software ProblemsMost software problems occur as a result of the following:●The application was not installed or configured correctly.●There i

Computer will not continue after HP logo screen displays.Cause SolutionSystem files may be damaged. In Windows 7, use recovery media to scan hard driv

Contacting Customer SupportFor help and service, contact an authorized reseller or dealer. To locate a reseller or dealer near you,visit http://www.hp

9 Backup and RecoveryRestoring and recovering in Windows 7To protect from loss or damage, back up your personal data files. Refer to the operating sys

Rear componentsComponent Component1 Access panel 7 Power supply connector2 Access panel security screw (storage position) 8 Power supply DC-in activit

System RecoveryWARNING! This procedure will delete all user information. To prevent loss of information, be sure toback up all user information so you

6. Select Yes, and then click Next. Your computer restarts.NOTE: If your system does not detect a recovery partition, it prompts you to insert recover

NOTE: Some features might not be available on systems that are shipped without a Windowsoperating system.●To create recovery discs, your computer must

capacity, it will appear grayed out, and you must replace it with a larger USB flash drive. ClickNext.NOTE: Recovery Media Creation formats the flash

Backup and recovery in Windows 8To protect your information, use Windows Backup and Restore to back up individual files and folders,back up your entir

NOTE: The backup process may take over an hour, depending on file size and the speed of thecomputer.1. From the Start screen, type backup, click Setti

3. If the Windows partition and the HP Recovery partition are listed, restart the computer afterWindows has loaded, and then press and hold Shift whil

NOTE: This process takes several minutes.1. If possible, back up all personal files.2. Restart the computer, and then follow the instructions provided

10 POST Error MessagesThis appendix lists the error codes, error messages, and the various indicator light and audiblesequences that you may encounter

POST Numeric Codes and Text MessagesThis section covers those POST errors that have numeric codes associated with them. The section alsoincludes some

Adjusting the standThis stand allows you to tilt the computer backward from 10 degrees to 25 degrees to set it to acomfortable angle.6 Chapter 1 Pro

Table 10-1 Numeric Codes and Text Messages (continued)Control panel message Description Recommended action164-MemorySize Error Memory configuration i

Table 10-1 Numeric Codes and Text Messages (continued)Control panel message Description Recommended action304-Keyboard or System Unit Error Keyboard

Table 10-1 Numeric Codes and Text Messages (continued)Control panel message Description Recommended action917-Front Audio Not Connected Front audio c

Table 10-1 Numeric Codes and Text Messages (continued)Control panel message Description Recommended action1801-Microcode Patch Error Processor is not

Table 10-1 Numeric Codes and Text Messages (continued)Control panel message Description Recommended action2204-Inventory error during MEBx execution

Table 10-1 Numeric Codes and Text Messages (continued)Control panel message Description Recommended action2220-USB Key Provisioning file hasmismatch

Table 10-1 Numeric Codes and Text Messages (continued)Control panel message Description Recommended actionInvalid Electronic Serial Number Electronic

Interpreting POST diagnostic front panel LEDsThis section covers the front panel LED codes as well as the audible codes that may occur before orduring

Table 10-2 Diagnostic front panel LEDs and audible codes (continued)Activity Beeps Possible Cause Recommended ActionRed Power LED flashes fourtimes,

Table 10-2 Diagnostic front panel LEDs and audible codes (continued)Activity Beeps Possible Cause Recommended ActionRed Power LED flashes ninetimes,

Serial number locationThe computer has a unique serial number and a product ID number that are located on the exterior ofthe computer. Keep these numb

11 Password Security and ResettingCMOSThis computer supports security password features, which can be established through the ComputerSetup Utilities

Establishing a Setup or Power-on passwordTo establish the power-on or setup password features, complete the following steps:1. Turn on or restart the

6. Replace the jumper.7. Replace the rear cover.8. Reconnect the external equipment.9. Plug in the computer and turn on power. Allow the operating sys

Changing a Setup or Power-On passwordTo change the power-on or setup password, complete the following steps:1. Turn on or restart the computer.To chan

Clearing and resetting the CMOSThe computer’s configuration memory (CMOS) stores information about the computer’s configuration.The CMOS button resets

4. 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 CMOSb

A Statement of VolatilityHP confirms that Intel-based HP ProOne 400 G1 23-inch Non-Touch All-in-One Business PC systemscontain DDR3 volatile memory (m

12. Select File > Default Setup > Restore Factory Settings as Default. This action resetssettings back to their factory defaults.13. Select File

B Power Cord Set RequirementsThe power supplies on some computers have external power switches. The voltage select switch featureon the computer permi

Country-specific requirementsAdditional requirements specific to a country are shown in parentheses and explained below.Country Accrediting Agency C

2 Activating and Customizing theSoftwareNOTE: This chapter provides information for both Windows 7 and Windows 8.Activating and customizing the softwa

C SpecificationsDimensions (with stand)HeightWidthDepth15.9 in22.0 in3.3 in402.6 mm557.9 mm84.4 mmDimensions (without stand)HeightWidthDepth14.3 in22.

Maximum Altitude (unpressurized)Operating(This value may be limited by the type and number of optionsinstalled. Maximum allowable altitude change rate

IndexAantennaremoving 47audible codes 157audio problems 116BBackup and Restore 144batterydisposal 25battery, replacing 61booting optionsFull Boot 148b

2.5-inch solid state hybrid drive(SSHD) 393.5-inch hard drive 38battery 61memory 58optical disc drive 40rear cover security screw 28Internet access pr

securityrear cover security screwlocation 28self-encrypting drive (SED)2.5-inch, installing 392.5-inch, removing 36serial number locations 7service co

Downloading Windows 7 updatesMicrosoft may release updates to the operating system. To help keep the computer running optimally,HP recommends checking

© Copyright 2014 Hewlett-PackardDevelopment Company, L.P. The informationcontained herein is subject to changewithout notice.Microsoft and Windows are

We recommend that you register your computer with HP during operating system set up so you canreceive important software updates, facilitate support q

3 Illustrated parts catalogNOTE: HP continually improves and changes product parts. For complete and current information onsupported parts for your co

Item Description(1) Rear cover(2) Front bezel(3) Display panel, 23-in WVA, AG, WLED, NZBD(4) Stand(5) Memory modules, PC3-12800, 1666-MHz (not illustr

Misc partsItem Description(1) Heat sink (includes replacement thermal material)(2) Hard drive connectors/cables(3) Optical drive connectors/cables(4)

Item Description Display Port (DP) to VGA Optical drive bezel (not illustrated) Hard drive grommet (not illustrated) Rubber feet (not illustrated)

KeyboardsDescriptionKeyboardsUSB, Smartcard, CCIDUSBPS2, washableWireless keyboard, mouse, and dongleKeyboard country codes:Arabic -17x Japanese -29x

DrivesDescriptionOptical drivesBlu-ray writer (BD-RE) drive (includes bezel)SuperMulti DVD±RW drive (includes bezel)DVD-ROM drive (includes bezel)Hard

CablesDescriptionBacklight cableConverter board cableDisplay (LVDS) cablePower button board cableWebcam cableOptical drive connector and cablesHard dr

4 Routine care, SATA driveguidelines, and disassemblypreparationThis chapter provides general service information for the computer. Adherence to the p

Generating staticThe following table shows that:●Different activities generate different amounts of static electricity.●Static electricity increases a

About This BookWARNING! Text set off in this manner indicates that failure to follow directions could result in bodilyharm or loss of life.CAUTION: Te

Personal grounding methods and equipmentUse the following equipment to prevent static electricity damage to equipment:●Wrist straps are flexible strap

●Conductive foam●Conductive tabletop workstations with ground cord of one-megohm +/- 10% resistance●Static-dissipative table or floor mats with hard t

●Never cover the ventilation slots on the monitor with any type of material.●Install or enable power management functions of the operating system or o

CAUTION: Use safety glasses equipped with side shields before attempting to clean debris fromunder the keys.●Visible debris underneath or between the

ScrewsThe screws used in the computer are not interchangeable. They may have standard or metric threadsand may be of different lengths. If an incorrec

Lithium coin cell batteryThe battery that comes with the computer provides power to the real-time clock and has a minimumlifetime of about three years

SATA hard drive cablesSATA data cableAlways use an HP approved SATA 3.0 Gb/s cable as it is fully backwards compatible with the SATA1.5 Gb/s drives.Cu

5 Removal and ReplacementProcedures All-in One (AIO) ChassisThe following sections provide information about disassembling various components of the c

Installing an rear cover security screwYou may prevent access to internal components by securing the rear cover. Remove the T15 tamper-resistant Torx

Synchronizing the optional wireless keyboard andmouseThe optional wireless keyboard and mouse are easy to set up. Just remove the battery tabs on both

iv About This Book

Rear coverThe computer has one main rear cover that allows access to internal components.To remove the rear cover:1. Prepare the computer for disassem

StandThe computer stand is secured to a VESA mount inside the computer chassis. You can remove the standand install the computer on a wall, monitor ar

4. 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 c

6. Rotate the bottom edge of the rear cover down (2) and press it firmly onto the chassis until it locksinto place.7. Tighten the captive screws (3) t

Description320 GB, 7200 rpm hard drive, 2.5-inch, SATA-6G256 GB solid-state drive (SSD), self-encrypting (SED)180 GB solid-state drive (SSD), SATA 6.0

2. 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.3. Loosen the captive s

6. 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 38.Re

4. Slide the hard drive cage left, and then lift it out of the chassis (2).5. Remove the four mounting screws (1) securing the 2.5-inch drive adapter

8. 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 38.Inst

3. With the 3.5-inch hard drive connector facing toward the center of the chassis, place the harddrive cage into the chassis and slide it toward the c

Table of contents1 Product features ... 1

4. Screw the four mounting screws with grommets through the sides of the hard drive cage into the2.5-inch drive adapter (2). Be sure to keep the blue

2. 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.3. Loosen the captiv

5. Remove the two screws attaching the optical disc drive bracket to the optical disc drive.6. Place the new optical disc drive into the chassis and p

Webcam moduleOn products that ship with a webcam module, the module is located at the top of the computer. It issecured with two Phillips screws and h

4. Rotate the assembly to gain access to the connector on the module, and then disconnect the cablefrom the module.NOTE: To avoid damaging the connect

SpeakersSpeakers are located at the bottom of the computer. Two separate speakers are each secured by twoTorx screws.To remove the speakers:1. Prepare

5. Disconnect the speaker cable from the system board connector.NOTE: You do not have to remove the system board shield to disconnect the speakers fro

AntennaThe antennas route from the WLAN card to the top of the computer.To remove the antenna:1. Prepare the computer for disassembly (see Preparing t

Bottom standThe bottom stand is secured to the bottom of the computer by six Torx screws.To remove the bottom stand:1. Prepare the computer for disass

4. Remove the three screws that secure the right side of the stand to computer.5. Remove the stand.Reverse the removal procedures to replace the botto

Personal grounding methods and equipment ... 20Grounding the work area ...

Front bezelThe front bezel is located on the front of the computer and is secured to the main system bracket withseven Torx screws. You can separate t

Power button boardThe power button board is located on the top left side of the computer (when viewed from behind). It issecured to a removable bracke

6. Disconnect the cable from the power button board (1), and then remove the Torx screw (2) thatsecures the bracket to the computer.7. To remove the b

Converter boardThe converter board is located on the left side of the computer (viewed from behind) under the mainrear cover. It is secured with two T

Be sure to correctly position the jumpers on the converter board based on the manufacturer of theinstalled display panel. Jumper settings are printed

VESA panelThe VESA panel is located under the rear stand.To remove the VESA panel:1. Prepare the computer for disassembly (see Preparing to disassembl

System board shieldThe system board shield is located on the right side of the computer (when viewed from behind).To remove the system board shield:1.

MemoryDescriptionMemory module, 8-GBMemory module, 4-GBMemory module, 2-GBThe computer comes with double data rate 3 synchronous dynamic random access

Populating SODIMM socketsThe system will automatically operate in single channel mode, dual channel mode, or flex mode,depending on how the SODIMMs ar

4. 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.5. To remov

Antenna ... 47Bottom stan

6. 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 lo

BatteryThe battery is located on the system board on the left side of the memory modules. The battery thatcomes with the computer provides power to th

4. 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.5. To releas

FanThe fan is located near the middle of the computer and is secured with three Torx screws. You do nothave to remove the heat sink to remove the fan.

7. Remove the fan from the computer (3).To install the fan assembly, reverse the removal procedures.NOTE: To avoid damaging the rubber screw grommets

Heat sinkThe heat sink is located near the middle of the computer and is secured with four captive Torx screwsand one non-captive Torx screw. You do n

6. In the order indicated on the heat sink, loosen the four captive Torx screws (2), and then lift theheat sink out of the computer.CAUTION: Be sure t

ProcessorDescriptionIntel Core i7 4770T processor, 2.5 GHz, 8-MB L3 cache, 45WIntel Core i7 4765T processor, 2.0 GHz, 8-MB L3 cache, 35WIntel Core i5

8. Carefully lift the processor from the socket (3).CAUTION: Do NOT handle the pins in the processor socket. These pins are very fragile andhandling t

WLAN moduleDescriptionHP WLAN 802.11 a/b/g/n + Bluetooth 4.0HP WLAN 802.11 a/b/g/n, 2x2The WLAN module is located on the upper right corner of the sys

Before You Call for Technical Support ... 97Helpful Hints ...

7. 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 proced

Hard drive and optical drive cables and connectorsDescriptionOptical drive cableHard drive cableThe hard drive and optical drive connectors are locate

7. Disconnect the optical drive cables (2) or the hard drive cables (4) from the system board.NOTE: To avoid damaging the connector when disconnecting

System boardDescriptionSystem board for use in models without the Windows 8 operating systemSystem board for use in models with Windows 8 StandardSyst

10. Remove the nine Torx screws that secure the system board to the computer.11. Remove the system board from the computer.To install the system board

4. Go to Security > System ID’s.5. If necessary, press Ctrl+A to initiate edit mode.6. Edit the fields listed. If the feature byte has data or is n

System board calloutsUse the following image and table to locate components on the system board.76 Chapter 5 Removal and Replacement Procedures All-

Sys Bd Label Sys BdConnectorColor Sys Bd Label Sys BdConnectorColorLVDS Display connector Black PWR Main powerconnectorBlackPB/LED Power switchcon

Display panelNOTE: 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 warrant

6. Remove the four Torx screws that secure the display panel to the frame. The screw locations foreach panel size are stamped into the metal. This mod

11 Password Security and Resetting CMOS ... 160Establishing a Setup or Power-on pa

7. Separate the panel from the bracket in the bottom left corner to gain access to the backlight cableconnector on the display panel. Disconnect the b

9. Remove the brackets from the display by removing the two Torx screws from each side, and thenlifting the brackets from the display.NOTE: The image

Cable routing and component installationUse the following image as a reference for how cables are routed and components are installed in thecomputer.8

6 Computer Setup (F10) UtilityComputer Setup (F10) UtilitiesIMPORTANT: A connected keyboard is required to access Computer Setup.Use Computer Setup (F

●Enable or disable removable media boot ability.●Solve system configuration errors detected but not automatically fixed during the Power-On Self-Test

Computer Setup—FileNOTE: Support for specific Computer Setup options may vary depending on the hardwareconfiguration.Option DescriptionSystem Informat

Computer Setup—StorageNOTE: Support for specific Computer Setup options may vary depending on the hardwareconfiguration.Option DescriptionDeviceConfig

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 dri

Computer Setup—SecurityNOTE: Support for specific Computer Setup options may vary depending on the hardwareconfiguration.Option DescriptionSetup Passw

Network Boot Enables/disables the computer’s ability to boot from an operating system installed on a networkserver. (Feature available on NIC models o