Maintenance & Service GuideHP ProOne 400 G2 20 inch All-in-OneHP ProOne 460 G2 20 inch All-in-OneHP ProOne 480 G2 20 inch All-in-One
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Computer powered o automatically and the Power LED ashes red four times and then white two times.Cause SolutionProcessor thermal protection activate
Solving power problemsCommon causes and solutions for power problems are listed in the following table.Power supply shuts down intermittently.Cause So
Solving hard drive problemsHard drive error occurs.Cause SolutionHard disk has bad sectors or has failed. 1. In Windows 7, click Start, click Computer
Drive not found (identied).Cause SolutionThe device is attached to a SATA port that has been hidden in Computer Setup.Run the Computer Setup utility
Computer seems to be locked up.Cause SolutionProgram in use has stopped responding to commands. 1. Use the task manager to close programs that do not
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
Blank screen (no video).Cause SolutionYou may have a screen blanking utility installed or energy saver features are enabled.Press any key or click the
Blank screen and the power LED ashes Red six times, once every second, followed by a two second pause, and the computer beeps six times. (Beeps stop
The picture is broken up, rolls, jitters, or ashes.Cause SolutionThe monitor connections may be incomplete or the monitor may be incorrectly adjusted
“Out of Range” displays on screen.Cause Solution1. Press the Windows logo + l to open the Settings charm.2. Select Change PC Settings, select General,
1 Product featuresOverviewNOTE: For the latest specications or additional specications on this product, go to http://www.hp.com/go/ quickspecs/ and
Certain typed symbols do not appear correct.Cause SolutionIn Windows 7, click Start, select All Programs, select Accessories, select System Tools, and
Sound does not come out of the speaker or headphones.Cause SolutionThe application is set to use a dierent audio device than speakers.Some graphics c
There is no sound or sound volume is too low.Cause SolutionTo access Device Manager in Windows 8.1, from the Start screen, type c, select Control Pane
Printer prints garbled information.Cause SolutionThe cables may not be connected properly. Reconnect all cables.Printer memory may be overloaded. Rese
Mouse does not respond to movement or is too slow.Cause Solution1. Press the Ctrl and Esc keys at the same time (or press the Windows logo key) to dis
Solving Hardware Installation ProblemsYou may need to recongure the computer when you add or remove hardware, such as an additional drive or expansio
Computer will not start.Cause SolutionNOTE: DIMM1 or XMM1 must always be installed. DIMM1 must be installed before DIMM2, and DIMM3 must be installed
Table 7-2 Solving Network Problems (continued)Network driver does not detect network controller.Cause SolutionTo access Device Manager in Windows 10,
Diagnostics reports a failure.Cause SolutionThe cable is not securely connected. Ensure that the cable is securely attached to the network connector a
New network card will not boot.Cause SolutionNew network card may be defective or may not meet industry-standard specications.Install a working, indu
Front componentsComponent Component1 Dual microphone array (optional) 4 Webcam (optional)2 Webcam activity LED (with optional webcam) 5 16:9 widescree
Out of memory error.Cause SolutionYou have run out of memory to run the application. Check the application documentation to determine the memory requi
System will not boot from CD-ROM or DVD drive.Cause SolutionNon-bootable CD in drive. Try a bootable CD in the drive.Boot order not correct. Run the C
Cannot eject compact disc (tray-load unit).Cause SolutionDisc not properly seated in the drive. Turn o the computer and insert a thin metal rod into
Solving USB ash drive problemsIf you encounter USB ash drive problems, common causes and solutions are listed in the following table.USB ash drive
Solving front panel component problemsIf you encounter problems with devices connected to the front panel, refer to the common causes and solutions li
Unable to connect to the Internet.Cause Solution3. In the Browsing history section on the General tab, click the Delete button.4. Select the Cookies c
Solving software problemsMost software problems occur as a result of the following:●The application was not installed or congured correctly.●There is
8 System backup and recoveryBacking up, restoring, and recovering in Windows 10This section provides information about the following processes. The in
◦Only one set of recovery media can be created. Handle these recovery tools carefully, and keep them in a safe place.◦HP Recovery Manager examines the
Using Windows toolsYou can create recovery media, system restore points, and backups of personal information using Windows tools.NOTE: If storage is 3
Side componentsComponent Component1 Power button 6 Microphone/line in jack2 hard disk drive activity LED 7 HP SD media card reader (optional)3 USB 3.0
IMPORTANT: Recovery through HP Recovery Manager should be used as a nal attempt to correct computer issues.●HP Recovery media must be used if the com
Changing the computer boot orderIf your computer does not restart in HP Recovery Manager, you can change the computer boot order, which is the order o
1. After you successfully set up the computer, create recovery media. This step creates a backup of the recovery partition on the computer. The backup
7. Select Reset.8. Follow the on-screen instructions to continue.Recovery using the Windows recovery USB ash driveTo recover your system using the re
This section provides information about the following processes:●Creating recovery media and backups●Restoring and recovering your systemNOTE: This se
●If you are creating recovery discs, be sure to use high-quality discs. It is normal for the system to reject defective discs. You will be prompted to
To create recovery discs, your computer must have a DVD writer. Use any of the following types of discs (purchased separately): DVD+R, DVD+R DL, DVD-R
1. Select Start > All Programs > Maintenance > Backup and Restore.2. Follow the on-screen instructions to set up your backup.System RestoreIf
1. Turn o the computer.2. Disconnect all peripheral devices from the computer except the monitor, keyboard, and mouse.3. Turn on the computer.4. When
1. If you are using a set of DVDs, insert the rst recovery disc into the DVD drive tray, and close the tray. If you are using a recovery USB ash dri
Rear componentsComponent Component1 Power cable retention loop 7 DisplayPort connector2 Port cover security screw hole 8 (2) USB 3.0 ports3 Serial por
1. If possible, back up all personal les.2. Restart the computer, and then insert the Windows 7 operating system DVD into the optical drive before th
9 POST error messages and diagnostic front panel LEDs and audible codesThis appendix lists the error codes, error messages, and the various indicator
Control panel message Description Recommended actionRTC (real-time clock) battery may need to be replaced.problem persists, replace the RTC battery. S
Control panel message Description Recommended action00E-Inventory Error during MEBx Execution BIOS information passed to the MEBx resulted in a failur
Control panel message Description Recommended action3. Back up contents and replace hard drive.302-Hard Disk 2: SMART Hard Drive Detects Imminent Fail
Control panel message Description Recommended action3. Recongure card resources and/or run Computer Setup or Windows utilities.419-Out of Memory Spac
Control panel message Description Recommended action90B-Fan Failure The system has detected that a cooling fan is not operating correctly.1. Reseat fa
4 Thermal5 System boardPatterns of blink/beep codes are determined by using the following parameters:●1 second pause occurs after the last major blink
10 Password security and resetting CMOSThis computer supports security password features, which can be established through the Computer Setup Utilitie
1. Shut down the operating system properly, then turn o the computer and any external devices, and disconnect the power cord from the power outlet.2.
Internal componentsComponent Component1 Optical disc drive 3 Memory2 hard disk drive 4 RTC BatteryInternal components 5
Clearing and resetting the BIOSThe CMOS button resets BIOS settings to default, but does not clear the passwords or aect any of the other Security se
A Power cord set requirementsThe power supplies on some computers have external power switches. The voltage select switch feature on the computer perm
Country-specic requirementsAdditional requirements specic to a country are shown in parentheses and explained below.Country Accrediting Agency Cou
B Statement of VolatilityHP conrms that CMIT desktop HP All-in-One systems contain DDR3 or DDR4 volatile memory (memory amount depends on the custome
C SpecicationsDimensionsWidthDepthHeightWithout stand20.92 in (567.2 mm)2.31 in (58.71 mm)14.63 in (371 mm)Easel stand20.92 in (567.2 mm)5.85 in (148
IndexAaccess panellocked 88removing 28adjustable-height standattaching 25removing 26administrator password 138antennaremoving 45audible codes 136audio
HP PC Hardware Diagnostics (UEFI)downloading 83HP Recovery Disc Creator, using 125Iinstalling2.5-inch hard disc drive 31battery 41optical disc drive 3
speakers 54system board 49system board shield 37thermal module 46top trim 34VESA mounting bracket 55webcam module 35WLAN module 43removing2.5-inch har
LabelsThe labels axed to the computer provide information you may need when you troubleshoot system problems or travel internationally with the compu
2 Illustrated parts catalogComponent appearance may vary.System partsItem Description(1) Front bezel (for use in non-touch models)(2) Rear cover (main
Item Description* Stands Adjustment Height Stand Easel Stand Recline Stand* VESA cover (for use in models with out a stand)Misc parts8 Chapter 2
Item Description(1) System board(2) Converter board(3) Serial port and PS/2 connector board(4) Optical drive (includes latch) DVD±RW drive DVD-ROM d
© Copyright 2015 HP Development Company, L.P.AMD is a trademark of Advanced Micro Devices, Inc. Bluetooth is a trademark owned by its proprietor and u
Mass storage devicesDescriptionOptical drive (does not include bezel)DVD±RW driveDVD-ROM driveHard drive2 TB, 5400 rpm1 TB, hybrid SSD drive1 TB, 7200
Processors and memory modulesDescriptionMemory modules (SODIMM; PC4-17000)16-GB8-GB4-GBIntel Processors (include replacement thermal material)Intel Co
CablesItem Description(1) Backlight cable(2) Serial port cable(3) Hard drive + optical drive SATA data cable(4) Power connector cable* Touch control c
Keyboards and miceDescriptionKeyboardUSBUSB, slimWashableSmartcardConferencingWireless with mousePS/2PS/2, slimMouseWirelessWashableHardenedUSB, optic
3 Routine care, SATA drive guidelines, and disassembly preparationThis chapter provides general service information for the computer. Adherence to the
Generating staticThe following table shows that:●Dierent activities generate dierent amounts of static electricity.●Static electricity increases as
Personal grounding methods and equipmentUse the following equipment to prevent static electricity damage to equipment:●Wrist straps are exible straps
●Material handling packages●Conductive plastic bags●Conductive plastic tubes●Conductive tote boxes●Opaque shielding bags●Transparent metallized shield
Cleaning the Computer CaseFollow all safety precautions in General cleaning safety precautions on page 17 before cleaning the computer.To clean the co
Cleaning the mouseBefore cleaning the mouse, ensure that the power to the computer is turned o.●Clean the mouse ball by rst removing the retaining p
About This BookWARNING! Text set o in this manner indicates that failure to follow directions could result in bodily harm or loss of life.CAUTION: Te
●If a drive must be mailed, place the drive in a bubble-pack mailer or other suitable protective packaging and label the package “Fragile: Handle With
SATA hard drive cablesSATA data cableAlways use an HP approved SATA 6.0 Gb/s cable as it is fully backwards compatible with the SATA 1.5 Gb/s drives.C
4 Removal and Replacement ProceduresThe following sections provide information about disassembling various components of the computer.Preparing to dis
Rear port cover1. Place the computer face down on a soft at surface. HP recommends that you set down a blanket, towel, or other soft cloth to protect
Attaching and removing a standThree stands are available for the computer:●Recline stand●Adjustable-height stand●Easel standRecline standAttaching a r
4. Lift the stand up (2), and then pull the stand hooks out of the computer (3).Adjustable-height standAttaching an adjustable-height standTo install
Removing an adjustable-height standTo remove the stand:1. Prepare the computer for disassembly (see Preparing to disassemble the computer on page 22).
3. Lower the stand onto the computer and press down until it clicks into place (2).Removing an easel standTo remove the stand:1. Prepare the computer
Access panelThe computer has one main rear access panel that allows access to internal components. Two screws secure the access panel.To remove the ac
DrivesDescriptionOptical drive (does not include bezel)DVD±RW driveDVD-ROM driveHard drive2 TB, 5400 rpm1 TB, hybrid SSD drive1 TB, 7200 rpm500 GB, hy
iv About This Book
Removing a 2.5-inch hard disc drive1. Prepare the computer for disassembly (see Preparing to disassemble the computer on page 22).2. Remove the rear p
Installing a 2.5-inch hard disc drive1. Fasten four mounting screws with grommets onto the 2.5 inch hard drive.2. Position the 2.5 inch drive above th
3. Remove the stand (see Attaching and removing a stand on page 24).4. Remove the access panel (see Access panel on page 28).5. Remove the hard drive
Converter boardThe converter board is located on the left side of the computer (viewed from behind) under the main rear cover. It is secured with two
Top trimThe top trim is located along the top of the computer.To remove the top trim:1. Prepare the computer for disassembly (see Preparing to disasse
Webcam moduleOn products that ship with a webcam module, the module is located at the top of the computer beneath the top trim. It is housed in a meta
9. If you need to install a shutter blank into the webcam slot, see the following images for webcam components and an illustration of an installed shu
System board (EMI) shieldThe system board shield covers the system board. A latch holds the shield in place. Four screws secure the shield.To remove t
MemoryDescription16-GB8-GB4-GBThe computer comes with small outline dual inline memory modules (SODIMMs).The memory sockets on the system board can be
●The system will operate in a higher-performing dual channel mode if the memory capacity of the SODIMM in Channel A is equal to the memory capacity of
Table of contents1 Product features ...
8. Be sure that the cables around the system board (EMI) shield are out of the way and will not be pinched by the EMI shield.The computer automaticall
BatteryThe battery is located in the memory compartment. The battery that comes with the computer provides power to the real-time clock. When replacin
7. Be sure that the cables around the electromagnetic interference shield are out of the way and will not be pinched by the system board (EMI) shield.
WLAN moduleDescriptionIntel Dual Band Wireless-AC 7265 NVHP WLAN 802.11 a/b/g/n + Bluetooth 4.0The WLAN module is located on the system board above th
8. Lift the module to a 45-degree angle, and then pull it away to remove it from the socket (3).To install the WLAN module, reverse the removal proced
AntennasThe antennas route from the WLAN module to transceivers at the top of the computer. The transceivers are secured to the computer with adhesive
Heat sinkHeat sink appearance varies based on processor type and graphics memory.To remove the heat sink:1. Prepare the computer for disassembly (see
ProcessorDescriptionIntel Core i7-6700 (3.4-GHz)Intel Core i7-6700T (2.8-GHz)Intel Core i5-6600 (3.3-GHz)Intel Core i5-6600T (2.7-GHz)Intel Core i5-65
8. Raise and rotate the microprocessor retainer to its fully open position (2), and then carefully lift the processor from the socket (3).CAUTION: Do
System boardThe system board is secured with a a total of ten Torx screws. Two of the screws also secure the removable side bracket, and two other scr
SATA hard drive cables ...
Replace the thermal pad below the system board.Updating SMBIOS InformationWhen replacing the system board, you must reprogram the SMBIOS information o
System board calloutsSystem board calloutsSys Bd Label Color Component Sys Bd Label Color ComponentCHFAN Black Fan connector SSD Black M.2 SSD dri
Serial/PS2 boardThe serial/PS2 board is located to the left of the rear I/O panel. It is secured with two screws and has one connected cable.To remove
7. Remove the two Torx screws (2) that secure the board, and then rotate the board up and remove it from the computer (3).8. Remove the serial/PS2 boa
SpeakersThe speakers are located at the bottom of the computer. Two separate speakers are each secured by two Torx screws.To remove the speakers:1. Pr
VESA mounting bracketThe VESA mounting bracket is located under the stand.To remove the VESA mounting bracket:1. Prepare the computer for disassembly
Drive cableThe drive cable includes connectors for the optical drive and hard drive, as well as three cables that connect to the system board..To remo
Power connectorThe power connector is located in the middle of the computer under the VESA mounting plate.To remove the power connector:1. Prepare the
8. Remove the two Torx screws (2) that secure the connector and then remove the connector and cable from the computer (2).To install the power connect
Fan assemblyThe fan assembly is located partially under the VESA mounting bracket and is secured with four Torx screws.To remove the fan assembly:1. P
Fan assembly ...
Right trimTo remove the right trim:1. Prepare the computer for disassembly (see Preparing to disassemble the computer on page 22).2. Remove the rear p
7. Remove the four Torx screws that secure the right trim to the computer, and then rotate the trim away from the computer to remove.To install the ri
Left trimTo remove the left trim:1. Prepare the computer for disassembly (see Preparing to disassemble the computer on page 22).2. Remove the rear por
9. Rotate the trim o the computer.To install the left trim, reverse the removal procedures.Left trim 63
Rear I/O cover and bottom trimThe rear I/O cover and bottom trim is located below the stand on the bottom rear of the computer. It is secured with two
Display panel, non-touchIMPORTANT: Install the new display panel together with all other parts in the replacement kit. Do not reuse any old parts. Ret
15. Separate the main frame from the bezel.Tab location under system board:16. To separate the display panel from the main frame:a. Disconnect the bac
c. Remove the Torx screw embedded in the system board (2).d. Disconnect the display cable from the system board (3). Separate the display panel from t
Display panel, touchIMPORTANT: Install the new display panel together with all other parts in the replacement kit. Do not reuse any old parts. Return
17. Disengage the tabs along the sides that secure the bezel to the frame. Tabs are as follows:(6) 5 tabs along the left side(7) 6 tabs along the top(
8 System backup and recovery ...
19. If necessary, disconnect the cables from the display. Removed display shown in the following image.NOTE: Touch displays include the pre-tted brac
5 Computer Setup (F10) UtilityComputer Setup (F10) UtilitiesUse Computer Setup (F10) Utility to do the following:●Change settings from the defaults or
4. Use the arrow (left and right) keys to select the appropriate heading. Use the arrow (up and down) keys to select the option you want, then press E
Computer Setup–MainNOTE: Support for specic Computer Setup options may vary depending on the hardware conguration.Table 5-1 Computer Setup—MainOpti
Table 5-1 Computer Setup—Main (continued)●Lock BIOS VersionIf this option is checked, the system is locked to the current BIOS version and updates ar
Computer Setup—SecurityNOTE: Support for specic Computer Setup options may vary depending on the hardware conguration.Table 5-2 Computer Setup—Secu
Table 5-2 Computer Setup—Security (continued)●Data Recovery PolicySelect ‘Automatic’ or ‘Manual’ to set data recovery policy. ‘Manual’ lets you selec
Table 5-2 Computer Setup—Security (continued)Default is ‘Unlock’.Cover Removal Sensor (Disabled/Notify user/Administrator password)Lets you disable t
Table 5-3 Computer Setup—Advanced (for advanced users) (continued)●Legacy Boot OrderSpecify the order in which legacy boot sources (such as a network
Table 5-3 Computer Setup—Advanced (for advanced users) (continued)Virtualization Technology for Directed I/O (VTd) (Intel only)Controls virtualizatio
Appendix A Power cord set requirements ... 141Ge
Table 5-3 Computer Setup—Advanced (for advanced users) (continued)●Serial port B●SATA0●SATA1●SATA2●SATA3●SATA5●Front USB ports●Rear USB ports●USB cha
Table 5-3 Computer Setup—Advanced (for advanced users) (continued)This feature is designed to provide a visual indication of what sleep state the sys
Recovering the Conguration SettingsThis method of recovery requires that you rst perform the Save to Removable Media command with the Computer Setup
6 Using HP PC Hardware Diagnostics (UEFI)HP PC Hardware Diagnostics is a Unied Extensible Firmware Interface (UEFI) that allows you to run diagnostic
4. Select your computer, and then select your operating system.5. In the Diagnostic section, follow the on-screen instructions to select and download
7 Troubleshooting without diagnosticsThis chapter provides information on how to identify and correct minor problems, such as USB devices, hard drive,
If it becomes necessary to call for technical assistance, be prepared to do the following to ensure that your service call is handled properly:●Be in
●If you have installed an operating system other than the factory-installed operating system, check to be sure that it is supported on the system.●If
Computer date and time display is incorrect.Cause SolutionRTC (real-time clock) battery may need to be replaced.NOTE: Connecting the computer to a liv
Poor performance.Cause Solution3. Make sure the processor heat sink is installed properly.Hard drive is full. Transfer data from the hard drive to cre
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