HP ProDesk 400 G5 Base Model Small Form Factor PC User Manual

Maintenance and Service GuideHP ProDesk 400 G5 SFF

Front panel componentsDrive conguration may vary by model. Some models have a bezel blank covering the slim optical drive bay.Front panel components

Patterns of blink/beep codes are determined by using the following parameters:● 1 second pause occurs after the last major blink.● 2 second pause occu

8 Password security and resetting CMOSThis computer supports security password features, which can be established through the Computer Setup Utilities

Resetting CMOS and/or the password jumperThis computer supports security password features, which can be established through the Computer Setup Utilit

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.

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

9 Using HP PC Hardware Diagnostics (UEFI)HP PC Hardware Diagnostics is a Unied Extensible Firmware Interface (UEFI) that allows you to run diagnostic

Downloading HP PC Hardware Diagnostics (UEFI) to a USB deviceNOTE: The HP PC Hardware Diagnostics (UEFI) download instructions are provided in English

10 System backup and recoveryBacking up, restoring, and recoveringThis section provides information about the following processes. The information in

Creating HP Recovery media (select products only)If possible, check for the presence of the Recovery partition and the Windows partition. From the Sta

Using Windows toolsYou can create recovery media, system restore points, and backups of personal information using Windows tools.NOTE: If storage is 3

Rear panel componentsRear panel components (1) Audio-in jack (5) VGA monitor connector(2) RJ-45 (network) jack (6) USB ports (4)(3) Audio-out jac

Recovering using HP Recovery ManagerHP Recovery Manager software allows you to recover the computer to its original factory state by using the HP Reco

Using HP Recovery media to recoverYou can use HP Recovery media to recover the original system. This method can be used if your system does not have a

A Battery replacementThe battery that comes with the computer provides power to the real-time clock. When replacing the battery, use a battery equival

b. Slide the replacement battery into position, positive side up. The battery holder automatically secures the battery in the proper position.Type 2a.

b. Insert the new battery and position the clip back into place.NOTE: After the battery has been replaced, use the following steps to complete this pr

B Statement of memory volatilityThe purpose of this chapter is to provide general information regarding nonvolatile memory in HP Business PCs. This ch

h. Select the Main menu, and then select Reset BIOS Security to factory default. Click Yes at the warning message.The computer will reboot.i. During t

Nonvolatile memory usageNonvolatile memory type Amount (Size)Does this memory store customer data?Does this memory retain data when power is removed?W

Nonvolatile memory type Amount (Size)Does this memory store customer data?Does this memory retain data when power is removed?What is the purpose of th

Questions and answers1. How can the BIOS settings be restored (returned to factory settings)?IMPORTANT: Restore defaults does not securely erase any d

2 Illustrated parts catalogSerial number locationEach computer has a unique serial number and a product ID number that are located on the exterior of

IMPORTANT: Resetting will result in the loss of information.These steps will not reset Custom Secure Boot Keys. See question and answer 7 for informat

C Power cord set requirementsThe power supplies on some computers have external power switches. The voltage select switch feature on the computer perm

Country-specic requirementsAdditional requirements specic to a country are shown in parentheses and explained below.Country Accrediting Agency Count

D SpecicationsUnit ValueChassis (in the desktop position)HeightWidthDepth3.7 in10.6 in11.8 in95 mm270 mm300 mmApproximate Weight 9.8 lb 4.43 kgWeight

IndexAaccess panellocked 63removal and replacement 29audible codes 91audio problems 73audio-in jack 2, 3audio-out jack 2, 3Bbatterydisposal 27battery

mousecleaning 26problems 76Nnetwork jack 3network problems 79nonvolatile memory 107numeric error codes 86Ooperating guidelines 24optical driveremoval

DescriptionIntel Pentium Gold G5400 3.70-GHz processor (2400-MHz FSB, 4.0-MB SmartCache, dual core)Intel Celeron G4920 3.20-GHz processor (2.0-MB Smar

Description500-GB, 7200-rpm, 7.0-mm500-GB, 5400-rpm, 7.0-mm, HYBRID 8-GB500-GB, 5400-rpm 7.0-mm with Federal Information Processing Standard (FIPS) se

Miscellaneous partsDescriptionPower cord with C13 receptacle, 2.50-meter (8.20-feet)For use in ArgentinaFor use in Australia and New ZealandPower cord

DescriptionSATA cable (straight–to–straight connector, 7.5-in., RF solution)Expansion cards:DisplayPort option boardHDMI option boardParallel port PCI

DescriptionFor use in Saudi ArabiaFor use in SpainFor use in SwedenFor use in SwitzerlandFor use in TurkeyFor use in the United Kingdom and SingaporeF

DescriptionFor use in the United StatesHP PS/2 slim Windows 8 keyboard:For use in BelgiumFor use in Bosnia, Herzegovina, Croatia, Slovenia, and Yugosl

DescriptionFor use in the United Kingdom and SingaporeFor use in the United StatesHP USB slim business keyboard in grey nish:For use in FranceFor use

© Copyright 2018 HP Development Company, L.P.Product noticeBluetooth is a trademark owned by its proprietor and used by HP Inc. under license. Intel,

DescriptionFor use in Latin AmericaFor use in the People’s Republic of ChinaFor use in TaiwanFor use in ThailandFor use in the United StatesHP USB pre

DescriptionFor use in BelgiumFor use in Bosnia, Herzegovina, Croatia, Slovenia, and YugoslaviaFor use in BulgariaFor use in CanadaFor use in the Czech

DescriptionFor use in BrazilFor use in Latin AmericaHP USB SmartCard slim keyboard with CCID:For use in BelgiumFor use in Bosnia, Herzegovina, Croatia

DescriptionFor use in TurkeyFor use in the United Kingdom and SingaporeFor use in the United StatesHP wireless collaboration keyboard:For use in Belgi

DescriptionFor use in CanadaFor use in DenmarkFor use in Denmark, Finland, and NorwayFor use in FranceFor use in GermanyFor use in GreeceFor use in Hu

DescriptionFor use in FranceFor use in GermanyFor use in GreeceFor use in HungaryFor use in IsraelFor use in ItalyFor use in JapanFor use in Latin Ame

DescriptionFor use in BelgiumFor use in Bosnia, Herzegovina, Croatia, Slovenia, and YugoslaviaFor use in BulgariaFor use in CanadaFor use in the Czech

DescriptionFor use in GreeceFor use in HungaryFor use in IndiaFor use in IsraelFor use in ItalyFor use in JapanFor use in Latin AmericaFor use in the

DescriptionFor use in DenmarkFor use in FranceFor use in GermanyFor use in GreeceFor use in HungaryFor use in IndiaFor use in IsraelFor use in ItalyFo

DescriptionFor use in Latin AmericaFor use in the United KingdomFor use in the United StatesSolenoid lockMouse:HP PS/2 optical mouseHP USB antimicrobi

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

3 Routine care, SATA drive guidelines, and disassembly preparationThis chapter provides general service information for the computer. Adherence to the

Preventing electrostatic damage to equipmentMany electronic components are sensitive to ESD. Circuitry design and structure determine the degree of se

Recommended materials and equipmentThe following grounding equipment is recommended to prevent electrostatic damage:● Antistatic tape● Antistatic smoc

Routine careGeneral cleaning safety precautions1. Never use solvents or ammable solutions to clean the computer.2. Never immerse any parts in water o

CAUTION: Never remove a wide, level key (like the space bar) from the keyboard. If these keys are improperly removed or installed, the keyboard may no

Cables and connectorsMost cables used throughout the unit are at, exible cables. These cables must be handled with care to avoid damage. Apply only

4 Removal and replacement proceduresAdherence to the procedures and precautions described in this chapter is essential for proper service. After compl

Access panel1. Prepare the computer for disassembly (see Preparation for disassembly on page 28).2. Position the computer with the rear toward you.3.

Optical drive1. Prepare the computer for disassembly (see Preparation for disassembly on page 28).2. Remove the access panel (see Access panel on page

Front bezel1. Prepare the computer for disassembly (see Preparation for disassembly on page 28).2. Remove the access panel (see Access panel on page 2

iv About This Book

Drive cageFollow these steps to remove the drive cage:1. Prepare the computer for disassembly (see Preparation for disassembly on page 28).2. Remove t

9. Slide the drive cage (2) up and to the right at an angle and remove it.Reverse this procedure to install the drive cage.Hard drivesFollow these ste

5. Remove the top hard drive (2) from the hard drive cage.6. If it is necessary to remove the bottom hard drive from the drive cage, remove the four T

Memory card readerFollow these steps to remove the memory card reader:1. Prepare the computer for disassembly (see Preparation for disassembly on page

WLAN moduleCAUTION: To prevent an unresponsive system, replace the wireless module only with a wireless module authorized for use in the computer by t

Memory moduleThe computer has four memory module sockets.CAUTION: You must disconnect the power cord and wait approximately 30 seconds for the power t

SpeakerFollow these steps to remove the speaker:1. Prepare the computer for disassembly (see Preparation for disassembly on page 28).2. Remove the acc

Power supplyFollow these steps to remove the power supply:1. Prepare the computer for disassembly (see Preparation for disassembly on page 28).2. Remo

Fan shroudFollow these steps to remove the fan shroud:1. Prepare the computer for disassembly (see Preparation for disassembly on page 28).2. Remove t

Fan-sinkNOTE: The fan-sink spare park kit includes replacement thermal material.Follow these steps to remove the fan-sink:1. Prepare the computer for

Table of contents1 Product features ...

ProcessorNOTE: The processor spare park kit includes replacement thermal material.Follow these steps to remove the fan-sink:1. Prepare the computer fo

4. Lift the processor (4) straight up and remove it.CAUTION: When installing the processor, the gold triangle (1) on the processor must be aligned wit

Serial connector moduleFollow these steps to remove the serial connector module:1. Prepare the computer for disassembly (see Preparation for disassemb

System boardNOTE: The system board spare park kit includes replacement thermal material.Follow these steps to remove the system board:1. Prepare the c

4. Remove the eight Torx-15 M3.0×9.0 screws that secure the system board to the computer chassis.5. Swing the top edge of the lower cage (1) away from

8. Remove the system board (2) by sliding the front edge up and forward at an angle.Reverse this procedure to install the system board.System board 47

5 Computer Setup (F10) UtilityComputer Setup (F10) UtilitiesUse Computer Setup (F10) Utility to do the following:● Change settings from the defaults o

Using Computer Setup (F10) UtilitiesComputer Setup can be accessed only by turning the computer on or restarting the system. To access the Computer Se

Computer Setup–MainNOTE: Support for specic Computer Setup options may vary depending on the hardware conguration.Table 5-1 Computer Setup—MainOpti

Table 5-1 Computer Setup—Main (continued)Option Description● Lock BIOS VersionIf this option is checked, the system is locked to the current BIOS ver

Front bezel ...

Computer Setup—SecurityNOTE: Support for specic Computer Setup options may vary depending on the hardware conguration.Table 5-2 Computer Setup—Secu

Table 5-2 Computer Setup—Security (continued)Option Description● Data Recovery PolicySelect ‘Automatic’ or ‘Manual’ to set data recovery policy. ‘Man

Table 5-2 Computer Setup—Security (continued)Option DescriptionDefault is ‘Unlock’.Cover Removal Sensor (Disabled/Notify user/Administrator password)

Table 5-3 Computer Setup—Advanced (for advanced users) (continued)Option HeadingUEFI boot sources always have precedence over legacy boot sources.● L

Table 5-3 Computer Setup—Advanced (for advanced users) (continued)Option HeadingControls the virtualization features of the processor. Changing this

Table 5-3 Computer Setup—Advanced (for advanced users) (continued)Option HeadingClear to disable the display panel touch feature. Default is enabled.

Table 5-3 Computer Setup—Advanced (for advanced users) (continued)Option HeadingEnables or disables SATA bus and/or device power management. Default

Recovering the Conguration SettingsThis method of recovery requires that you rst perform the Save to Removable Media command with the Computer Setup

6 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

7 POST error messages and diagnostic front panel LEDs and audible codes ...

● 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.● I

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 SolutionHard drive fragmented. Defragment hard drive.Program previously accessed did not release reserved memory back to the sy

System does not power on and the LEDs on the front of the computer are not ashing.Cause Solution2. Remove the expansion cards one at a time until the

Power LED ashes red four times, once every second, followed by a two second pause, and the computer beeps four times. (Beeps stop after fth iteratio

Drive not found (identied).Cause SolutionComputer Setup. If it is listed, the probable cause is a driver problem. If it is not listed, the probable c

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. Type file in the taskbar sear

Blank screen (no video).Cause SolutionCAUTION: When attempting to resume from Sleep state, do not hold down the power button for more than four second

Blank screen and the power LED ashes Red seven times, once every second, followed by a two second pause, and the computer beeps seven times. (Beeps s

Appendix D Specications ...

Image is not centered.Cause SolutionPosition may need adjustment. Press the monitor's Menu button to access the OSD menu. Select ImageControl/ Ho

Fuzzy focus; streaking, ghosting, or shadowing eects; horizontal scrolling lines; faint vertical bars; or unable to center the picture on the screen

Sound does not come out of the speaker or headphones.Cause SolutionCAUTION: When attempting to resume from Sleep state, do not hold down the power but

There is no sound or very weak sound is detected by the headset microphone.Cause Solutionconnector. To solve the issue, use a CTIA style headset or a

Printer prints garbled information.Cause SolutionThe correct printer driver for the application is not installed. Install the correct printer driver f

Mouse does not respond to movement or is too slow.Cause SolutionMouse connector is not properly plugged into the back of the computer.Shut down the co

Solving hardware installation problemsYou may need to recongure the computer when you add or remove hardware, such as an additional drive or expansio

Power LED ashes Red three times and then white two times.Cause SolutionMemory is installed incorrectly or is bad. CAUTION: To avoid damage to the DIM

Table 6-2 Solving network problems (continued)Network status link light never ashes.NOTE: The network status light is supposed to ash when there is

Network controller stops working without apparent cause.Cause SolutionThe les containing the network drivers are corrupted. Reinstall the network dri

1 Product featuresStandard conguration featuresFeatures may vary depending on the model. For support assistance and to learn more about the hardware

Solving memory problemsIf you encounter memory problems, some common causes and solutions are listed in the following table.CAUTION: Power may still b

Power LED ashes Red ve times, once every second, followed by a two second pause, and the computer beeps ve times. (Beeps stop after fth iteration

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, click the Delete button.4. Select the Cookies and website data che

7 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.the problem persists, replace the RTC batter

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 action302-Hard Disk 2: SMART Hard Drive Detects Imminent FailureHard drive is about to fail. (Some hard

Control panel message Description Recommended action419-Out of Memory Space for Option ROMs Recently added PCI expansion card contains an option ROM t

Control panel message Description Recommended action3. Replace fan.90D-System Temperature Thermal shutdown occurred. The system BIOS has detected your