HP dc5750 manual 19Solving Software Problems

Page 52

Solving Software Problems

Most software problems occur as a result of the following:

●The application was not installed or configured correctly.

●There is insufficient memory available to run the application.

●There is a conflict between applications.

●Be sure that all the needed device drivers have been installed.

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

NOTE HP Backup and Recovery Manager can be used to restore the software to a recovery point or to restore the system to its factory configuration. Refer to Restoring the Software for more information.

If you encounter software problems, see the applicable solutions listed in the following table.

Table 2-19Solving Software Problems

Computer will not continue and no HP logo screen has appeared.

Cause	Solution

POST error has occurred.	Observe the beeps and LED lights on the front of the computer.
	See Appendix A, POST Error Messages to determine possible
	causes.
	See the Restore Kit or the Worldwide Limited Warranty for
	terms and conditions.

Computer will not continue after HP logo screen has appeared.

Cause	Solution

System files may be damaged.

Restore the files from the Recovery Disc Set or backups you created in HP Backup and Recovery Manager.

“Illegal Operation has Occurred” error message is displayed.

Cause	Solution

Software being used is not Microsoft-certified for your version	Verify that the software is certified by Microsoft for your version
of Windows.	of Windows (see program packaging for this information).

Configuration files are corrupt.	If possible, save all data, close all programs, and restart the
	computer.

46 Chapter 2 Troubleshooting Without Diagnostics

ENWW

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Contents Troubleshooting Guide dc5750 Models 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 Status Tab Log Tab Select a language and click Download Protecting the SoftwareProtecting the Software Restoring the Software Safety and Comfort Before You Call for Technical Support Safety and ComfortHelpful Hints Helpful Hints 1Solving General Problems Solving General ProblemsComputer date and time display is incorrect Cause Solution There is no sound or sound volume is too low Cause Solution Solving General ProblemsPoor performance is experienced Cause Solution Cause Solution Enww 2Solving Power Problems Solving Power ProblemsPower supply shuts down intermittently Cause Solution Solving Diskette Problems Solving Diskette Problems3Solving Diskette Problems Cannot format diskette Cause Solution Problem has occurred with a disk transaction Cause SolutionDiskette drive cannot read a diskette Cause Solution Invalid system disk message is displayed Cause SolutionOverrides the Boot Order enable command Security Password OptionsSolving Hard Drive Problems 4Solving Hard Drive ProblemsSolving Hard Drive Problems Storage Boot Order listComputer will not boot from hard drive Cause Solution Device ConfigurationSolving Media Card Reader Problems 5Solving Media Card Reader ProblemsCan not write to the media card Cause Solution Computer’s software is used to safely eject the cardSolving Media Card Reader Problems 6Solving Display Problems Solving Display ProblemsBlank screen no video Cause Solution Solving Display Problems Dim characters Cause SolutionInstall the video drivers included in the upgrade kit Image is not centered Cause SolutionAdjust the horizontal or vertical position of the image Out of Range displays on screen Cause SolutionCertain typed symbols do not appear correct Cause Solution 7Solving Audio Problems Solving Audio ProblemsSound cuts in and out Cause Solution Solving Audio Problems On the Properties tab, make sure Enable digital CDProperties Audio for this CD-ROM device is checkedSolving Printer Problems 8Solving Printer ProblemsSolving Keyboard and Mouse Problems Solving Keyboard and Mouse Problems9Solving Keyboard Problems 10Solving Mouse ProblemsAfter the shutdown is complete, plug the mouse Option and then press the Enter keyRestart Solving Hardware Installation Problems Solving Hardware Installation Problems11 Solving Hardware Installation Problems Computer will not start Cause Solution11Solving Hardware Installation Problems Goes awayOnce bad card is identified, remove and replace bad Option cardSolving Network Problems Solving Network Problems12Solving Network Problems Wake-on-LAN feature is not functioning Cause SolutionDiagnostics reports a failure Cause Solution Network status link light never flashesNew network card will not boot Cause Solution Solving Memory Problems 13Solving Memory ProblemsOut of memory error Cause Solution Memory count during Post is wrong Cause SolutionSolving Memory Problems Solving Processor Problems 14Solving Processor ProblemsSome fans only operate when needed Make sure the processor heatsink is installed properlySolving CD-ROM and DVD Problems Solving CD-ROM and DVD Problems15Solving CD-ROM and DVD Problems Mode in Security Password OptionsMovie will not play in the DVD drive Cause Solution Cannot eject compact disc tray-load unit Cause SolutionEnww Solving Drive Key Problems 16Solving Drive Key ProblemsUSB Drive Key not found identified Cause Solution System will not boot from USB Drive Key Cause SolutionSolving Front Panel Component Problems Solving Front Panel Component Problems17Solving Front Panel Component Problems 18Solving Internet Access Problems Solving Internet Access ProblemsUnable to connect to the Internet Cause Solution Solving Internet Access Problems Double-clickPorts COM & LPTSolving Software Problems 19Solving Software ProblemsContacting Customer Support Contacting Customer SupportEnww Post Error Messages Appendix a Post Error Messages Post Numeric Codes and Text MessagesTable A-1Numeric Codes and Text Messages Control panel message Description Recommended actionPost Numeric Codes and Text Messages Advanced Onboard Devices Control panel message Description Replace diskette driveUnder Storage DPS Self-test Emulation back to RAID and select File Problem Problem goes away Network Server Mode Active and NoSave Changes and Exit Table A-2Diagnostic Front Panel LEDs and Audible Codes Is not spinning, make sure the fans cable isActivity Beeps Possible Cause Recommended Action Check that both power supply cables are Problem persists, replace the system boardProperly connected to the system board Check to see if the 5Vaux light onCmos Resetting the Password Jumper Clearing and Resetting the Cmos Using Computer Setup to Reset CmosFigure B-1 Cmos switch Drive Protection System DPS Accessing DPS Through Computer Setup Select Storage DPS Self-TestIndex IndexEnww

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