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HP 280 G1 manual Reconnect keyboard with computer, Attached Enabled Turned off

Models: 280 G1

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Page 107

Control panel message	Description	Recommended action

Network Server Mode Active and No Keyboard	Keyboard failure while Network Server Mode	1.	Reconnect keyboard with computer
Attached	enabled.		turned off.
		2.	Check connector for bent or missing pins.
		3.	Ensure that none of the keys are
			depressed.
		4.	Replace keyboard.

Parity Check 2	Parity RAM failure.	Run Computer Setup and Diagnostic utilities.

POST numeric codes and text messages 99

Image 107

HP 280 G1 manual Reconnect keyboard with computer, Attached Enabled Turned off

Contents

Maintenance and Service Guide Product notice Iii Safety warning noticeIv Safety warning notice Table of contents System board callouts Sata data cable105 100103 104Viii 120121 124Product description Product description SoftPaq Serviceability End user replaceable partsStandard Configuration Features Product FeaturesMm Microphone Jack Front panel componentsFront panel components Rear panel components Power cord connectorRear panel components Serial Number Location Computer major components Illustrated parts catalogComputer major components Item Description Front bezel Access panelFront I/O assembly Illustrated parts catalogGraphics card, GeForce GT705 PCIe x16, 1 GB Wlan 802.11 a/b/g/n + Bluetooth 4.0 moduleMisc parts Misc partsDescription Hard drives/Solid-state drives DrivesItem Description MouseRelative Humidity Event 55% 40% 10% Electrostatic discharge informationGenerating static Electrostatic discharge informationStatic Shielding Protection Levels Preventing electrostatic damage to equipmentPersonal grounding methods and equipment Grounding the work areaRecommended materials and equipment Operating guidelinesRoutine care General cleaning safety precautionsCleaning the Computer Case Cleaning the keyboardPower supply fan Service considerationsCleaning the monitor Cleaning the mouseHard Drives Cables and connectorsLithium coin cell battery ScrewsSmart ATA drives Serial ATA Hard Drive CharacteristicsSata hard drives Sata hard drive cablesCable management Preparation for disassembly Removal and replacement proceduresAccess panel Front bezel Optical drive bezel blank Populating Dimm sockets MemoryDIMMs DDR3/DDR3L-SDRAM UDIMMsInstalling 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 Sys Bd Label Color Component System board calloutsComputer Setup F10 Utilities Computer Setup F10 UtilityUsing Computer Setup F10 Utilities Computer Setup-File Computer Setup F10 Utility Computer Setup-StorageComputer Setup-Security USB Security Network BootMaster Boot Security Device SecuritySystem Security these Secure BootConfiguration Legacy Support to disabledManagement Computer Setup-PowerHardware Power Option DescriptionOption Computer Setup-AdvancedPower-On Options Bios Power-OnBus Options PCI VGA ConfigurationUsing the Dash Terminal Type option Connected BiosRecovering the Configuration Settings Safety and comfort Before you call for technical support Troubleshooting without diagnosticsHelpful hints Computer will not respond to keyboard or mouse Cause Solving general problemsSolving general problems Under Windows System, click Run Poor performance Cause SolutionApps icon Processor thermal protection activated Power supply shuts down intermittently Cause Solution Solving power problemsSolving hard drive problems Solving hard drive problemsStorage Boot Order Nonsystem disk/NTLDR missing message Cause SolutionStorage Boot Order list Computer will not boot from hard drive Cause SolutionCan not write to the media card Cause Solving media card reader problemsSolving media card reader problems To the electrical outlet Solving display problemsInserted media card has boot capability Blank screen no video Cause SolutionBlank screen no video Cause Solving display problemsMonitor needs to be degaussed Dim characters Cause SolutionInstall the video drivers included in the upgrade kit Be sure the monitor cable is securely connected toHorizontal or vertical position of the image Image is not centered Cause SolutionPosition may need adjustment No Connection, Check Signal Cable displays on screen CauseSound cuts in and out Cause Solution Solving audio problemsCertain typed symbols do not appear correct Cause Solving audio problems Control Panel , and then select Device Manager Solving printer problemsPrinter will not print Cause Solution Line-in jack is not functioning properly CauseMake the proper network connections to the printer Solving keyboard and mouse problemsSolving keyboard and mouse problems Printer prints garbled information Cause SolutionComputer, and then restart the computer Keyboard connector is not properly connectedProgram in use has stopped responding to commands Shut down the computer using the keyboardMouse may need repair Solving Hardware Installation ProblemsSolving Hardware Installation Problems That pins in the connector are not bent downComputer will not start Cause Solution Solving Network Problems Solving Network ProblemsNetwork status link light never flashes Cause Solution Cable Correctly Correct operating modeDiagnostics reports a failure Cause Solution Settings for the boardNew network card will not boot Cause Solution Solving memory problemsInsufficient memory error during operation Cause Solution Solving memory problemsOut of memory error Cause Memory count during Post is wrong 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 Security USB Security Solving USB flash drive problemsUSB flash drive not found identified Cause Solution System will not boot from USB flash drive Cause SolutionSolving front panel component problems Solving front panel component problemsSolving Internet access problems System files may be damaged Solving software problemsDelete button Log on to your ISP and launch the desired programSelect Automatic Repair Solving software problemsAdvanced startup, click Restart now Control panel message Description Recommended action Post error messagesPost error messages Post numeric codes and text messagesPost numeric codes and text messages Download to Disable to prevent PXEDepressed Flash Screen Image Corrupted Flash Screen image has errorsECC Memory Module Detected ECC Ensure that none of the keys areComputer Setup or Windows utilities Power Supply fan not detectedReseat power supply fan Reconfigure card resources and/or runSystem Bios version Sata Cabling Error One or more Sata devices are improperlyReboot the computer Functionality contained in the system BiosAttached Enabled Turned off Activity Beeps Possible cause Recommended action Times, once every second Unable to boot Faulty modulePre-video graphics error For systems with a graphics card Red Power LED flashes sevenProblem persists, replace the system board Open hood and check that the power buttonCheck that both power supply cables are Replace the power button harness. IfResetting the Cmos and password jumper Password security and resetting CmosChanging a Setup or Power-On password Press Enter Deleting a Setup or Power-On password 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 Select Reset Follow the on-screen instructions to continue Using Reset when the system is not respondingBacking up, restoring, and recovering in Windows Click All Programs Creating recovery mediaTo create the Windows DVD System backup and recovery To create recovery discs Close all open programsFollow the on-screen instructions to set up your backup System RestoreSystem Recovery when Windows is responding System RecoverySystem 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 Appendix C Statement of Volatility Statement of VolatilityEnter the F10 setup utility Appendix D Specifications SpecificationsSpecifications 125 RecyclingIndex Illustrated Product description Audio Chipset Ethernet Keyboard Cleaning Product description Keyboard problemsMemory module Processor Rear chassis fan Speaker 108 Safety and comfort Safety precautions CleaningSystem restore points, creating Flash drive 112 System Recovery 114