HP dx7300 manual Troubleshooting Guide

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Troubleshooting Guide

Business PCs

First Edition (August 2006)

Second Edition (January 2007)

Document Part Number: 418631-002

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Contents Troubleshooting Guide Troubleshooting Guide Iii Iv About This Book Table of contents Appendix B Password Security and Resetting Cmos Accessing DPS Through Computer SetupHP Insight Diagnostics HP Insight DiagnosticsSurvey Tab Test Tab Log Tab Protecting the Software Protecting the SoftwareSelect a language and click Download HP Backup and Recovery Manager Safety and Comfort Before You Call for Technical Support Safety and ComfortHelpful Hints Helpful Hints Computer date and time display is incorrect Cause Solution Solving General Problems1Solving General Problems Cannot remove computer cover or access panel Cause Solution Solving General ProblemsThere is no sound or sound volume is too low Cause Solution Poor performance is experienced Cause SolutionRun Windows XP or Start Accessories Run Cause SolutionHard drive LED does not turn on green then Power supply shuts down intermittently Cause Solution Solving Power Problems2Solving Power Problems 3Solving Diskette Problems Solving Diskette ProblemsSolving Diskette Problems Diskette drive cannot read a diskette Cause Solution Cannot format diskette Cause SolutionProblem has occurred with a disk transaction Cause Solution Invalid system disk message is displayed Cause SolutionSecurity Password Options Storage Boot OrderBoot Storage Storage Options Removable MediaHard drive error occurs Cause Solution Solving Hard Drive Problems4Solving Hard Drive Problems Disk transaction problem Cause SolutionComputer will not boot from hard drive Cause Solution Solving Hard Drive ProblemsNonsystem disk/NTLDR missing message Cause Solution Computer seems to be locked up Cause SolutionAgain 5Solving Media Card Reader Problems Solving Media Card Reader ProblemsSolving Media Card Reader Problems Can not write to the media card Cause SolutionEnww 6Solving Display Problems Solving Display ProblemsSolving Display Problems Blank screen no video Cause SolutionDim characters Cause Solution Image is not centered Cause Solution Out of Range displays on screen Cause SolutionCertain typed symbols do not appear correct Cause Solution 7Solving Audio Problems Solving Audio ProblemsSolving Audio Problems Sound cuts in and out Cause SolutionSound from headphones is not clear or muffled Cause Solution 8Solving Printer Problems Solving Printer ProblemsSolving Printer Problems Select Shut Down Solving Keyboard and Mouse Problems9Solving Keyboard Problems Solving Keyboard and Mouse Problems 10Solving Mouse ProblemsComputer will not start Cause Solution Solving Hardware Installation Problems11Solving Hardware Installation Problems Once bad card is identified, remove and replace bad Solving Hardware Installation ProblemsGoes away Option cardWake-on-LAN feature is not functioning Cause Solution Solving Network Problems12Solving Network Problems Diagnostics reports a failure Cause Solution Solving Network ProblemsNetwork status link light never flashes Cause Solution New network card will not boot Cause Solution 13Solving Memory Problems Solving Memory ProblemsSolving Memory Problems Out of memory error Cause SolutionInsufficient memory error during operation Cause Solution 14Solving Processor Problems Solving Processor ProblemsSolving Processor Problems Some fans only operate when neededMode in Security Password Options Solving CD-ROM and DVD Problems15Solving CD-ROM and DVD Problems Cannot eject compact disc tray-load unit Cause Solution Solving CD-ROM and DVD ProblemsMovie will not play in the DVD drive Cause Solution Enww 16Solving Drive Key Problems Solving Drive Key ProblemsSolving Drive Key Problems USB Drive Key not found identified Cause SolutionSolving Front Panel Component Problems 17Solving Front Panel Component Problems18Solving Internet Access Problems Solving Internet Access ProblemsSolving Internet Access Problems Unable to connect to the Internet Cause SolutionModem Click on System and MaintenanceDouble-clickAgere Systems PCI-SV92PP Soft 19Solving Software Problems Solving Software ProblemsSolving Software Problems Contacting Customer Support Post Error Messages Table A-1Numeric Codes and Text Messages Appendix a Post Error MessagesPost Numeric Codes and Text Messages Control panel message Description Recommended actionOn the Documentation and Diagnostics CD Post Numeric Codes and Text MessagesAdvanced Onboard Devices Control panel message Description Under Storage DPS Self-test SataEnww Keyboard failure while Network Server Mode Table A-2Diagnostic Front Panel LEDs and Audible Codes Activity Beeps Possible Cause Recommended Action Check that both power supply cables are Cmos Resetting the Password Jumper Clearing and Resetting the Cmos Using Computer Setup to Reset CmosLocate, press, and hold the Cmos button in for five seconds Figure B-1 Cmos buttonDrive Protection System DPS Accessing DPS Through Computer Setup Select Storage DPS Self-TestIndex

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