HP dx7300 manual 14Solving Processor Problems, Some fans only operate when needed

Page 45

Solving Processor Problems

If you encounter processor problems, common causes and solutions are listed in the following table.

Table 2-14Solving Processor Problems

Poor performance is experienced.

Cause

Solution

 

 

 

Processor is hot.

1.

Make sure the airflow to the computer is not blocked.

 

2.

Make sure the fans are connected and working properly

 

 

(some fans only operate when needed).

 

3.

Make sure the processor heatsink is installed properly.

 

Power LED flashes Red three times, once every second, followed by a two second pause.

 

 

Cause

Solution

 

 

 

Processor is not seated properly or not installed.

1.Check to see that the processor is present.

2.Reseat the processor.

ENWW

Solving Processor Problems 39

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Contents Troubleshooting Guide Troubleshooting Guide Iii Iv About This Book Table of contents Accessing DPS Through Computer Setup Appendix B Password Security and Resetting CmosHP Insight Diagnostics HP Insight DiagnosticsSurvey Tab Test Tab Log Tab Protecting the Software Select a language and click DownloadProtecting the Software HP Backup and Recovery Manager Safety and Comfort Safety and Comfort Before You Call for Technical SupportHelpful Hints Helpful Hints Solving General Problems 1Solving General ProblemsComputer date and time display is incorrect Cause Solution There is no sound or sound volume is too low Cause Solution Solving General ProblemsCannot remove computer cover or access panel Cause Solution Poor performance is experienced Cause SolutionCause Solution Run Windows XP or Start Accessories RunHard drive LED does not turn on green then Solving Power Problems 2Solving Power ProblemsPower supply shuts down intermittently Cause Solution Solving Diskette Problems Solving Diskette Problems3Solving Diskette Problems Problem has occurred with a disk transaction Cause Solution Cannot format diskette Cause SolutionDiskette drive cannot read a diskette Cause Solution Invalid system disk message is displayed Cause SolutionBoot Storage Boot OrderSecurity Password Options Storage Storage Options Removable Media4Solving Hard Drive Problems Solving Hard Drive ProblemsHard drive error occurs Cause Solution Disk transaction problem Cause SolutionNonsystem disk/NTLDR missing message Cause Solution Solving Hard Drive ProblemsComputer will not boot from hard drive Cause Solution Computer seems to be locked up Cause SolutionAgain Solving Media Card Reader Problems Solving Media Card Reader Problems5Solving Media Card Reader Problems Can not write to the media card Cause SolutionEnww Solving Display Problems Solving Display Problems6Solving Display Problems Blank screen no video Cause SolutionDim characters Cause Solution Out of Range displays on screen Cause Solution Image is not centered Cause SolutionCertain typed symbols do not appear correct Cause Solution Solving Audio Problems Solving Audio Problems7Solving Audio Problems Sound cuts in and out Cause SolutionSound from headphones is not clear or muffled Cause Solution Solving Printer Problems Solving Printer Problems8Solving Printer Problems Solving Keyboard and Mouse Problems 9Solving Keyboard ProblemsSelect Shut Down 10Solving Mouse Problems Solving Keyboard and Mouse ProblemsSolving Hardware Installation Problems 11Solving Hardware Installation ProblemsComputer will not start Cause Solution Goes away Solving Hardware Installation ProblemsOnce bad card is identified, remove and replace bad Option cardSolving Network Problems 12Solving Network ProblemsWake-on-LAN feature is not functioning Cause Solution Solving Network Problems Network status link light never flashes Cause SolutionDiagnostics reports a failure Cause Solution New network card will not boot Cause Solution Solving Memory Problems Solving Memory Problems13Solving Memory Problems Out of memory error Cause SolutionInsufficient memory error during operation Cause Solution Solving Processor Problems Solving Processor Problems14Solving Processor Problems Some fans only operate when neededSolving CD-ROM and DVD Problems 15Solving CD-ROM and DVD ProblemsMode in Security Password Options Solving CD-ROM and DVD Problems Movie will not play in the DVD drive Cause SolutionCannot eject compact disc tray-load unit Cause Solution Enww Solving Drive Key Problems Solving Drive Key Problems16Solving Drive Key Problems USB Drive Key not found identified Cause Solution17Solving Front Panel Component Problems Solving Front Panel Component ProblemsSolving Internet Access Problems Solving Internet Access Problems18Solving Internet Access Problems Unable to connect to the Internet Cause SolutionClick on System and Maintenance Double-clickAgere Systems PCI-SV92PP SoftModem Solving Software Problems Solving Software Problems19Solving Software Problems Contacting Customer Support Post Error Messages Post Numeric Codes and Text Messages Appendix a Post Error MessagesTable A-1Numeric Codes and Text Messages Control panel message Description Recommended actionPost Numeric Codes and Text Messages On the Documentation and Diagnostics CDAdvanced Onboard Devices Control panel message Description Sata Under Storage DPS Self-testEnww 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 Using Computer Setup to Reset Cmos Clearing and Resetting the CmosFigure B-1 Cmos button Locate, press, and hold the Cmos button in for five secondsDrive Protection System DPS Select Storage DPS Self-Test Accessing DPS Through Computer SetupIndex
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