HP dc5750 manual Drive Protection System DPS

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C Drive Protection System (DPS)

The Drive Protection System (DPS) is a diagnostic tool built into the hard drives installed in some computers. DPS is designed to help diagnose problems that might result in unwarranted hard drive replacement.

When these systems are built, each installed hard drive is tested using DPS, and a permanent record of key information is written onto the drive. Each time DPS is run, test results are written to the hard drive. Your service provider can use this information to help diagnose conditions that caused you to run the DPS software.

Running DPS will not affect any programs or data stored on the hard drive. The test resides in the hard drive firmware and can be executed even if the computer will not boot to an operating system. The time required to execute the test depends on the manufacturer and size of the hard drive; in most cases, the test will take approximately two minutes per gigabyte.

Use DPS when you suspect a hard drive problem. If the computer reports a SMART Hard Drive Detect Imminent Failure message, there is no need to run DPS; instead, back up the information on the hard drive and contact a service provider for a replacement hard drive.

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Contents Troubleshooting Guide dc5750 Models 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 Status Tab Log Tab Protecting the Software Select a language and click DownloadProtecting the Software Restoring the Software 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 Solving General Problems There is no sound or sound volume is too low Cause SolutionPoor performance is experienced Cause Solution Cause Solution Enww 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 SolutionSecurity Password Options Overrides the Boot Order enable command4Solving Hard Drive Problems Solving Hard Drive ProblemsStorage Boot Order list Solving Hard Drive ProblemsComputer will not boot from hard drive Cause Solution Device Configuration5Solving Media Card Reader Problems Solving 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 Solving Display Problems 6Solving Display ProblemsBlank screen no video Cause Solution Dim characters Cause Solution Solving Display ProblemsImage is not centered Cause Solution Install the video drivers included in the upgrade kitAdjust the horizontal or vertical position of the image Out of Range displays on screen Cause SolutionCertain typed symbols do not appear correct Cause Solution Solving Audio Problems 7Solving Audio ProblemsSound cuts in and out Cause Solution On the Properties tab, make sure Enable digital CD Solving Audio ProblemsProperties Audio for this CD-ROM device is checked8Solving Printer Problems Solving Printer ProblemsSolving Keyboard and Mouse Problems Solving Keyboard and Mouse Problems9Solving Keyboard Problems 10Solving Mouse ProblemsOption and then press the Enter key After the shutdown is complete, plug the mouseRestart Solving Hardware Installation Problems Solving Hardware Installation Problems11 Solving Hardware Installation Problems Computer will not start Cause SolutionGoes away 11Solving Hardware Installation ProblemsOnce 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 SolutionNetwork status link light never flashes Diagnostics reports a failure Cause SolutionNew network card will not boot Cause Solution 13Solving Memory Problems Solving Memory ProblemsOut of memory error Cause Solution Memory count during Post is wrong Cause SolutionSolving Memory Problems 14Solving Processor Problems Solving 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 OptionsCannot eject compact disc tray-load unit Cause Solution Movie will not play in the DVD drive Cause SolutionEnww 16Solving Drive Key Problems Solving 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 Solving Internet Access Problems 18Solving Internet Access ProblemsUnable to connect to the Internet Cause Solution Double-clickPorts COM & LPT Solving Internet Access Problems19Solving Software Problems Solving Software ProblemsContacting Customer Support Contacting Customer SupportEnww 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 Advanced Onboard Devices Replace diskette drive Control panel message DescriptionUnder Storage DPS Self-test Problem Problem goes away Network Server Mode Active and No Emulation back to RAID and select FileSave Changes and Exit Is not spinning, make sure the fans cable is Table A-2Diagnostic Front Panel LEDs and Audible CodesActivity Beeps Possible Cause Recommended Action Problem persists, replace the system board Check that both power supply cables areProperly connected to the system board Check to see if the 5Vaux light onCmos Resetting the Password Jumper Using Computer Setup to Reset Cmos Clearing and Resetting the CmosFigure B-1 Cmos switch Drive Protection System DPS Select Storage DPS Self-Test Accessing DPS Through Computer SetupIndex IndexEnww

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