HP ProDesk 400 G2.5 Small Form Factor PC (ENERGY STAR) Bedienungsanleitung

Maintenance and Service GuideHP ProDesk 400 G2.5 Small Form Factor

Front panel componentsDrive configuration may vary by model. Some models have a bezel blank covering the optical drive bay.1 Slim Optical Drive (optio

Solving USB flash drive problemsIf you encounter USB flash drive problems, common causes and solutions are listed in the following table.USB flash dri

A USB device, headphone, or microphone is not recognized by the computer.Cause SolutionThe correct device driver is not installed. 1. Install the corr

Unable to connect to the Internet.Cause Solution4. Select the Cookies check box and click the Delete button.Cannot automatically launch Internet progr

Computer will not continue after HP logo screen displays.Cause SolutionTo access Automatic Repair:1. Press the Windows logo + l to open the Settings c

7 POST error messagesThis appendix lists the error codes, error messages, and the various indicator light and audible sequencesthat you may encounter

Control panel message Description Recommended action2. In Computer Setup, set Advanced >Device Options > NIC PXE Option ROMDownload to DISABLE t

Control panel message Description Recommended action219-ECC Memory Module Detected ECCModules not supported on this PlatformRecently added memory modu

Control panel message Description Recommended action515-Power Supply fan not detected Power supply fan is not connected or may havemalfunctioned.1. Re

Control panel message Description Recommended action2200-PMM Allocation Error during MEBxDownloadMemory error during POST execution of theManagement E

Control panel message Description Recommended action3. If the error still persists, replace thesystem board.2211-Memory not configured correctly forpr

Rear panel components1 PS/2 Mouse Connector (green) 6 VGA Monitor Connector2Serial Connector 7 USB 2.0 Ports (black)3RJ-45 Network Connector 8 Display

Control panel message Description Recommended action3. If the error still persists, replace thesystem board.2232-AMT error during MEBx execution Error

NOTE: If you see flashing LEDs on a PS/2 keyboard, look for flashing LEDs on the front panel of thecomputer and refer to the following table to determ

Activity Beeps Possible cause Recommended action4. Replace the system board.Red Power LED flashes six times,once every second, followed bya two second

Activity Beeps Possible cause Recommended actionORPress and hold the power button for less than 4seconds. If the hard drive LED does not turn on white

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

1. Shut down the operating system properly, then turn off the computer and any external devices, anddisconnect the power cord from the power outlet.2.

1. Turn off the computer and any external devices, and disconnect the power cord from the power outlet.2. Disconnect the keyboard, monitor, and any ot

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

1. Go to http://www.hp.com.2. Point to Support, located at the top of the page, and then click Download Drivers.3. In the text box, enter the product

10 System backup and recoveryBacking up, restoring, and recovering in Windows 8.1 orWindows 8Your computer includes tools provided by HP and Windows t

2 Illustrated parts catalogComputer major componentsThis chapter provides part information for all chassis.4 Chapter 2 Illustrated parts catalog

Using Reset when the system is not respondingNOTE: You may be prompted by User Account Control for your permission or password when you performcertain

Recovery using Windows operating system media (purchased separately)To order a Windows operating system DVD, contact support. Go to http://www.hp.com/

1. After you successfully set up the computer, create recovery media. This media can be used to reinstallthe original operating system in cases where

NOTE: Do not use media cards for creating recovery media. The system may not be able to boot up from amedia card and you may not be able to run system

1. Select Start > All Programs > Productivity and Tools > HP Recovery Disc Creator.2. Select Windows disk.3. From the drop-down menu, select

1. Close all open programs.2. Click the Start button, right-click Computer, and then click Properties.3. Click System protection, System Restore, clic

6. Under I need help immediately, click System Recovery.7. Select Yes, and then click Next. Your computer restarts.8. When the computer restarts, you

6. If Recovery Manager asks if you want to run System Recovery from Media or Hard Drive, select Media.On the Welcome screen, under I need help immedia

After the repair is completed:1. Eject the Windows 7 operating system DVD and then insert the Driver Recovery DVD.2. Follow the on-screen instructions

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

Item Description(1) Access panel(2) Front bezel(3) Power supply, 180 W(4) Memory modules (PC3-12800) 8-GB 4-GB 2-GB(5) Processors (include replacement

b. Slide the replacement battery into position, positive side up. The battery holder automaticallysecures 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 VolatilityHP confirms that Intel-based business desktop HP ProDesk 400 G2.5 Small Form Factor systems containDDR3 volatile memory (memo

10. To clear the Setup or Power-On passwords if set, and clear any other settings, power down thecomputer and remove the AC power cord and the compute

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

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

D SpecificationsChassis (in the desktop position)HeightWidthDepth3.74 in10.63 in12.51 in95 mm270 mm318 mmApproximate Weight 9.92 lb 4.5 kgTemperature

IndexAaccess panelillustrated 5locked 66removal and replacement 19audible codes 102audio problems 77Bbackup and recovery, Windows 7113Backup and Resto

LLEDsblinking PS/2 keyboard 103Mmedia card readerproblems 72memoryinstallation 37problems 88socket population 38specifications 37monitor problems 73mo

System Recovery, Windows 7 117system restore points, creatingWindows 7 114System Restore, Windows 7 116Ttamper-proof screwstool 15temperature control

Item Description Intel Celeron G1850 (2.9-GHz, 2-MB L3 cache) Intel Celeron G1840 (2.8-GHz, 2-MB L3 cache) Intel Celeron G1830 (2.8-GHz, 2-MB L3 ca

Item Description(1) Fan sink (includes replacement thermal material)(2) Fan(3) Speaker(4) SATA data cable, 200 mm, 2 straight ends(5) SATA data cable,

DrivesDescriptionHard drive2 TB, 7200 rpm, 3.5 inch1 TB, 7200 rpm, 3.5 inch1 TB hard drive, hybrid SSD500 GB, 7200 rpm, 3.5 inch500 GB, 7200 rpm, 2.5

Misc boardsDescriptionNvidia NVS310 PCIe x16 graphics card, 512 MBIntel PRO/1000 single port GbE NIC, includes bracketAdapter for WLAN module, PCI Exp

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

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

© Copyright 2015 Hewlett-PackardDevelopment Company, L.P. The informationcontained herein is subject to change withoutnotice.Microsoft and Windows are

●Heel straps/Toe straps/Boot straps can be used at standing workstations and are compatible withmost types of shoes or boots. On conductive floors or

●Transparent metallized shielding bags●Transparent shielding tubesOperating guidelinesTo prevent overheating and to help prolong the life of the compu

To clean the computer case, follow the procedures described below:●To remove light stains or dirt, use plain water with a clean, lint-free cloth or sw

Service considerationsListed below are some of the considerations that you should keep in mind during the disassembly andassembly of the computer.Powe

Hard DrivesHandle hard drives as delicate, precision components, avoiding all physical shock and vibration. This appliesto failed drives as well as re

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/sdrives.Cu

4 Removal and replacement procedures:Small Form FactorAdherence to the procedures and precautions described in this chapter is essential for proper se

Access panel1. Prepare the computer for disassembly (Preparation for disassembly on page 18).2. Loosen the thumbscrew on the rear of the computer (1)

Front bezel1. Prepare the computer for disassembly (Preparation for disassembly on page 18).2. Remove the access panel (Access panel on page 19).3. Li

Slim optical drive bezel blankOn some models, there are bezel blanks covering the 3.5-inch and 5.25-inch external drive bays that need tobe removed be

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

Expansion cardDescriptionNvidia NVS310 PCIe x16 graphics card, 512 MBIntel PRO/1000 single port GbE NIC, includes bracketAdapter for WLAN module, PCI

a. If you are installing an expansion card in a vacant PCI Express x16 socket, remove the appropriateexpansion slot cover on the back of the chassis.

c. If you are removing a PCI Express x1 card, hold the card at each end, and carefully rock it back andforth until the connectors pull free from the s

8. To install a new expansion card, hold the card just above the expansion socket on the system boardthen move the card toward the rear of the chassis

Drive cage1. Prepare the computer for disassembly (Preparation for disassembly on page 18).2. Remove the access panel (Access panel on page 19).3. Rem

System board connectionsRefer to the following illustration and table to identify the system board connectors for your model.No. System Board Connecto

DrivesDescriptionHard drive2 TB, 7200 rpm, 3.5 inch1 TB, 7200 rpm, 3.5 inch1 TB hard drive, hybrid SSD500 GB, 7200 rpm, 3.5 inch500 GB, 7200 rpm, 2.5

CAUTION: To prevent loss of work and damage to the computer or drive:If you are inserting or removing a drive, shut down the operating system properly

Removing a 9.5mm slim optical driveCAUTION: All removable media should be taken out of a drive before removing the drive from thecomputer.1. Prepare t

Installing a 9.5mm slim optical drive1. Prepare the computer for disassembly (Preparation for disassembly on page 18).2. If the computer is on a stand

iv About This Book

NOTE: Refer to System board connections on page 27 for an illustration of the system board driveconnectors.8. Replace the front bezel if it was remove

5. Press inward on the drive cage release latch (1), rotate the drive cage up (2), and then slide the tabs onthe side of the drive cage out of the cha

●If you are removing a 2.5-inch hard drive, remove the four screws that secure the drive to the drivecage (1) to release the drive (2).7. Install the

●If you are installing a 2.5-inch hard drive, place the drive in the drive cage (1) and secure the drivewith four M3 metric screws (2).NOTE: The four

9. Connect the power cable (1) and data cable (2) to the rear of the hard drive, and route the cablesthrough the retainer clip (3).10. Slide the optic

MemoryDescription8-GB, PC3-128004-GB, PC3-128002-GB, PC3-12800The computer comes with low power double data rate 3 synchronous dynamic random access m

Populating DIMM socketsThere are two DIMM sockets on the system board, with one socket per channel. The sockets are labeledDIMM1 and DIMM3. Socket DIM

5. To remove a memory module, open both latches of the memory module socket (1), and then removethe memory module from the socket (2).6. To install a

Fan sinkThe fan sink is secured atop the processor with four captive Torx screws. The fan sink includes a heat sinkand a fan.1. Prepare the computer f

5. Lift the fan sink from atop the processor.When reinstalling the fan sink, make sure that its bottom has been cleaned with an alcohol wipe and fresh

Table of contents1 Product features ...

ProcessorDescription Intel Core i7 4790s (3.2-GHz, 8-MB L3 cache) Intel Pentium G3470 (3.6-GHz, 3-MB L3 cache)Intel Core i7 4770s (3.1-GHz, 8-MB L3 c

6. Carefully lift the processor from the socket (3).CAUTION: Do NOT handle the pins in the processor socket. These pins are very fragile and handlingt

Power supplyWARNING! To reduce potential safety issues, only the power supply provided with the computer, areplacement power supply provided by HP, or

7. Disconnect power cables from the PWR system board connector (2) and the PWRCPU system boardconnector (3).8. Slide the power supply forward (1), and

Front I/O assemblyThe front I/O assembly is under the bezel and contains USB ports and audio connectors. The assembly issecured with one Torx screw an

8. Remove the Torx T15 screw that secures the assembly to the front of the chassis.9. Rotate top of assembly downward (1), and then pull the assembly

Power switch assemblyThe power switch assembly sits to the right of the front I/O assembly under the bezel.1. Prepare the computer for disassembly (Pr

SpeakerThe speaker is attached to the front of the chassis under the bezel with two Torx screws.1. Prepare the computer for disassembly (Preparation f

8. Lift the speaker out of the chassis (2).To install the speaker, reverse the removal procedures.50 Chapter 4 Removal and replacement procedures: S

System boardDescriptionSystem board for use in models without Windows 8.1 (includes thermal material)System board for use in models with Windows 8.1 P

SMART ATA drives ...

System board calloutsSys Bd Label Color Component Sys Bd Label Color ComponentPROCESSOR silver Processor SATA1 Light blue Optical drive or secondh

Changing from desktop to tower configurationThe Small Form Factor computer can be used in a tower orientation with an optional tower stand that can be

5 Computer Setup (F10) UtilityComputer Setup (F10) UtilitiesUse Computer Setup (F10) Utility to do the following:●Change factory default settings.●Set

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

Computer Setup—FileNOTE: Support for specific Computer Setup options may vary depending on the hardware configuration.Table 5-1 Computer Setup—FileOp

Computer Setup—StorageNOTE: Support for specific Computer Setup options may vary depending on the hardware configuration.Table 5-2 Computer Setup—Sto

Table 5-2 Computer Setup—Storage (continued)To boot one time from a device other than the default device specified in Boot Order, restart thecomputer

Table 5-3 Computer Setup—Security (continued)NOTE: You must disable AMT before trying to hide the network controller.●SATA ports (varies by model)USB

Table 5-3 Computer Setup—Security (continued)OS management of Embedded Security Device (enable/disable) - This option allows the user to limit OScont

Table 5-4 Computer Setup—PowerOption DescriptionOS Power Management●Runtime Power Management— Enable/Disable. Allows certain operating systems to red

6 Troubleshooting without diagnostics ... 63

Table 5-5 Computer Setup—Advanced (for advanced users) (continued)●POST Delay (in seconds). Enabling this feature will add a user-specified delay to

6 Troubleshooting without diagnosticsThis chapter provides information on how to identify and correct minor problems, such as USB devices, harddrive,

If it becomes necessary to call for technical assistance, be prepared to do the following to ensure that yourservice call is handled properly:●Be in f

●If you have installed an operating system other than the factory-installed operating system, check to besure that it is supported on the system.●If t

Computer date and time display is incorrect.Cause SolutionTo access Control Panel in Windows 7, select Start, and thenselect Control Panel.To access C

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

Computer powered off automatically and the Power LED flashes Red two times, once every second, followed by a two secondpause, and the computer beeps t

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

Nonsystem disk/NTLDR missing message.Cause SolutionThe system is trying to start from the hard drive but the harddrive may have been damaged.▲Perform

Recovery using the Windows recovery USB flash drive ... 112Recovery using Windows operating system media (

Solving media card reader problemsMedia card will not work in a digital camera after formatting it in Windows.Cause SolutionBy default, Windows will f

Do not know how to remove a media card correctly.Cause SolutionNOTE: Never remove the card when the green LED is flashingAfter installing the media ca

Blank screen (no video).Cause SolutionMonitor cable is plugged into the wrong connector. Systems may have a monitor connection on both themotherboard

Blank screen and the power LED flashes Red seven times, once every second, followed by a two second pause, and the computerbeeps seven times. (Beeps s

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

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

Sound does not come out of the speaker or headphones.Cause SolutionSoftware volume control is turned down or muted. Double-click the Speaker icon on t

Computer appears to be locked up while recording audio.Cause SolutionThe hard disk may be full. Before recording, make sure there is enough free space

Printer will not print.Cause SolutionIf you are on a network, you may not have made the connectionto the printer.Make the proper network connections t

Keyboard commands and typing are not recognized by the computer.Cause SolutionKeyboard connector is not properly connected. Shut down the computer, re

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

Mouse does not respond to movement or is too slow.Cause SolutionMouse may need repair. See the Worldwide Limited Warranty for terms and conditions.Com

Table 6-1 Solving Hardware Installation Problems (continued)A new device is not recognized as part of the system.Cause SolutionTo access Device Manag

Power LED flashes Red six times, once every second, followed by a two second pause, and the computer beeps six times. (Beepsstop after fifth iteration

Table 6-2 Solving Network Problems (continued)Wake-on-LAN feature is not functioning.Cause Solution1. From the Start screen, type c, and then select

Table 6-2 Solving Network Problems (continued)Network status link light never flashes.NOTE: The network status light is supposed to flash when there

Network controller stopped working when an expansion board was added to the computer.Cause SolutionNetwork controller interrupt is shared with an expa

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 flashes Red five times, once every second, followed by a two second pause, and the computer beeps five times. (Beepsstop after fifth iterati

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

Movie will not play in the DVD drive.Cause SolutionDecoder software is not installed. Install decoder software.Damaged media. Replace media.Movie rati