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HP 280 G1 manual

Models: 280 G1

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4.Disconnect the power supply cable from the ATX_PWR system board connector and the ATX_CPU system board connector.

5.Press the tab (1) on the base pan in front of the power supply that holds it in place.

6.Slide the power supply toward the front of the computer (2), and then lift the power supply out of the chassis (3).

To install the power supply, reverse the removal procedure.

48 Chapter 5 Removal and replacement procedures

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HP 280 G1 manual

Contents

Maintenance and Service Guide Product notice Safety warning notice IiiIv Safety warning notice Table of contents Sata data cable System board callouts100 103104 105120 121124 ViiiProduct description Product description Serviceability End user replaceable parts SoftPaqProduct Features Standard Configuration FeaturesMm Microphone Jack Front panel componentsFront panel components Power cord connector Rear panel componentsRear panel components Serial Number Location Computer major components Illustrated parts catalogComputer major components Access panel Front I/O assemblyIllustrated parts catalog Item Description Front bezelWlan 802.11 a/b/g/n + Bluetooth 4.0 module Misc partsMisc parts Graphics card, GeForce GT705 PCIe x16, 1 GBDrives Item DescriptionMouse Description Hard drives/Solid-state drivesElectrostatic discharge information Generating staticElectrostatic discharge information Relative Humidity Event 55% 40% 10%Preventing electrostatic damage to equipment Personal grounding methods and equipmentGrounding the work area Static Shielding Protection LevelsOperating guidelines Recommended materials and equipmentGeneral cleaning safety precautions Cleaning the Computer CaseCleaning the keyboard Routine careService considerations Cleaning the monitorCleaning the mouse Power supply fanCables and connectors Lithium coin cell batteryScrews Hard DrivesSerial ATA Hard Drive Characteristics Sata hard drivesSata hard drive cables Smart ATA drivesCable management Removal and replacement procedures Preparation for disassemblyAccess panel Front bezel Optical drive bezel blank Memory DIMMsDDR3/DDR3L-SDRAM UDIMMs Populating Dimm socketsInstalling DIMMs Expansion cards Removal and replacement procedures Page Drives Drive positions Removing an optical drive Removing a hard drive Front I/O and power switch assembly Page Removal and replacement procedures Card reader Removal and replacement procedures Heat sink Processor Speaker Page Page Rear chassis fan Page Hood sensor Power supply Page System board System board callouts Sys Bd Label Color ComponentComputer Setup F10 Utility Computer Setup F10 UtilitiesUsing Computer Setup F10 Utilities Computer Setup-File Computer Setup-Storage Computer Setup F10 UtilityComputer Setup-Security Network Boot Master Boot SecurityDevice Security USB SecuritySecure Boot ConfigurationLegacy Support to disabled System Security theseComputer Setup-Power Hardware PowerOption Description ManagementComputer Setup-Advanced Power-On OptionsBios Power-On OptionPCI VGA Configuration Using the Dash Terminal Type optionConnected Bios Bus OptionsRecovering the Configuration Settings Troubleshooting without diagnostics Safety and comfort Before you call for technical supportHelpful hints Solving general problems Computer will not respond to keyboard or mouse CauseSolving general problems Under Windows System, click Run Poor performance Cause SolutionApps icon Processor thermal protection activated Solving power problems Power supply shuts down intermittently Cause SolutionSolving hard drive problems Solving hard drive problemsNonsystem disk/NTLDR missing message Cause Solution Storage Boot Order listComputer will not boot from hard drive Cause Solution Storage Boot OrderCan not write to the media card Cause Solving media card reader problemsSolving media card reader problems Solving display problems Inserted media card has boot capabilityBlank screen no video Cause Solution To the electrical outletSolving display problems Blank screen no video CauseDim characters Cause Solution Install the video drivers included in the upgrade kitBe sure the monitor cable is securely connected to Monitor needs to be degaussedImage is not centered Cause Solution Position may need adjustmentNo Connection, Check Signal Cable displays on screen Cause Horizontal or vertical position of the imageSound cuts in and out Cause Solution Solving audio problemsCertain typed symbols do not appear correct Cause Solving audio problems Solving printer problems Printer will not print Cause SolutionLine-in jack is not functioning properly Cause Control Panel , and then select Device ManagerSolving keyboard and mouse problems Solving keyboard and mouse problemsPrinter prints garbled information Cause Solution Make the proper network connections to the printerKeyboard connector is not properly connected Program in use has stopped responding to commandsShut down the computer using the keyboard Computer, and then restart the computerSolving Hardware Installation Problems Solving Hardware Installation ProblemsThat pins in the connector are not bent down Mouse may need repairComputer will not start Cause Solution Solving Network Problems Solving Network ProblemsNetwork status link light never flashes Cause Solution Correct operating mode Diagnostics reports a failure Cause SolutionSettings for the board Cable CorrectlySolving memory problems New network card will not boot Cause SolutionSolving memory problems Out of memory error CauseMemory count during Post is wrong Cause Solution Insufficient memory error during operation Cause SolutionSecurity Network Boot Solving CD-ROM and DVD problemsComputer Setup utility Cannot eject compact disc tray-load unit Cause Solving CD-ROM and DVD problemsMovie will not play in the DVD drive Cause Solution Solving USB flash drive problems USB flash drive not found identified Cause SolutionSystem will not boot from USB flash drive Cause Solution Security USB SecuritySolving front panel component problems Solving front panel component problemsSolving Internet access problems Solving software problems Delete buttonLog on to your ISP and launch the desired program System files may be damagedSelect Automatic Repair Solving software problemsAdvanced startup, click Restart now Post error messages Post error messagesPost numeric codes and text messages Control panel message Description Recommended actionDownload to Disable to prevent PXE Post numeric codes and text messagesFlash Screen Image Corrupted Flash Screen image has errors ECC Memory Module Detected ECCEnsure that none of the keys are DepressedPower Supply fan not detected Reseat power supply fanReconfigure card resources and/or run Computer Setup or Windows utilitiesSata Cabling Error One or more Sata devices are improperly Reboot the computerFunctionality contained in the system Bios System Bios versionAttached Enabled Turned off Activity Beeps Possible cause Recommended action Faulty module Pre-video graphics error For systems with a graphics cardRed Power LED flashes seven Times, once every second Unable to bootOpen hood and check that the power button Check that both power supply cables areReplace the power button harness. If Problem persists, replace the system boardPassword security and resetting Cmos Resetting the Cmos and password jumperChanging a Setup or Power-On password Deleting a Setup or Power-On password Press Enter Deleting a Setup or Power-On passwordHow to access and run HP PC Hardware Diagnostics HP PC Hardware DiagnosticsWhy run HP PC Hardware Diagnostics Diagnostic section, click HP Uefi Support Environment Restoring and recovering using Windows tools System backup and recoveryCreating recovery media and backups Using Reset when the system is not responding Select Reset Follow the on-screen instructions to continueBacking up, restoring, and recovering in Windows Creating recovery media Click All ProgramsTo create recovery discs Close all open programs To create the Windows DVD System backup and recoverySystem Restore Follow the on-screen instructions to set up your backupSystem Recovery System Recovery when Windows is respondingSystem Recovery when Windows is not responding Select Install now Page Battery replacement Page General Requirements Power Cord Set RequirementsJapanese Power Cord Requirements Country Accrediting Agency Country-Specific RequirementsCountry-Specific Requirements Statement of Volatility Appendix C Statement of VolatilityEnter the F10 setup utility Appendix D Specifications SpecificationsSpecifications Recycling 125Index Illustrated Product description Audio Chipset Ethernet Keyboard Cleaning Product description Keyboard problemsMemory module 108 Safety and comfort Safety precautions Cleaning System restore points, creatingFlash drive 112 System Recovery 114 Processor Rear chassis fan Speaker