HP dc5850 manual Solving Hardware Installation Problems, Goes away, Option card

Page 39

Table 2-11Solving Hardware Installation Problems (continued)

Power LED flashes Red five times, once every second, followed by a two second pause, and the computer beeps five times. (Beeps stop after fifth iteration but LEDs continue flashing.)

Cause

Solution

 

 

Memory is installed incorrectly or is bad.

CAUTION: To avoid damage to the DIMMs or the system board, you must unplug the computer power cord before attempting to reseat, install, or remove a DIMM module.

1.Reseat DIMMs. Power on the system.

2.Replace DIMMs one at a time to isolate the faulty module.

3.Replace third-party memory with HP memory.

4.Replace the system board.

Power LED flashes Red six times, once every second, followed by a two second pause, and the computer beeps six times. (Beeps stop after fifth iteration but LEDs continue flashing.)

Cause

Solution

 

 

Graphics card is not seated properly or is bad, or system board is bad.

For systems with a graphics card:

1.Reseat the graphics card. Power on the system.

2.Replace the graphics card.

3.Replace the system board.

For systems with integrated graphics, replace the system board.

Power LED flashes Red ten times, once every second, followed by a two second pause, and the computer beeps ten times. (Beeps stop after fifth iteration but LEDs continue flashing.)

Cause

Solution

 

 

 

Bad option card.

1.

Check each option card by removing the cards one at time

 

 

(if multiple cards), then power on the system to see if fault

 

 

goes away.

 

2.

Once bad card is identified, remove and replace bad

 

 

option card.

 

3.

Replace the system board.

 

 

 

ENWW

Solving Hardware Installation Problems 33

Image 39
Contents Troubleshooting Guide dc5850 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 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 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 Invalid system disk message is displayed Cause Solution Cannot format diskette Cause SolutionProblem has occurred with a disk transaction Cause Solution Diskette drive cannot read a diskette Cause SolutionStorage Storage Options Removable Media Storage Boot OrderBoot Security Password OptionsDisk transaction problem Cause Solution Solving Hard Drive Problems4Solving Hard Drive Problems Hard drive error occurs Cause SolutionComputer will not boot from hard drive Cause Solution Solving Hard Drive ProblemsNonsystem disk/NTLDR missing message Cause Solution Storage Boot Order listComputer seems to be locked up Cause Solution Can not write to the media card Cause Solution Solving Media Card Reader ProblemsSolving Media Card Reader Problems 5Solving Media Card Reader ProblemsEnww Blank screen no video Cause Solution Solving Display ProblemsSolving Display Problems 6Solving Display ProblemsDim characters Cause Solution Select ImageControl/ Horizontal Position or Vertical Install the video drivers included in the upgrade kitImage is not centered Cause Solution Out of Range displays on screen Cause SolutionCertain typed symbols do not appear correct Cause Solution Sound cuts in and out Cause Solution Solving Audio ProblemsSolving Audio Problems 7Solving Audio ProblemsUnsaved data Line-in jack is not functioning properly Cause SolutionSolving Printer Problems Solving Printer Problems8Solving Printer Problems Select Shut Down Solving Keyboard and Mouse Problems 9Solving Keyboard Problems 10Solving Mouse ProblemsSolving Keyboard and Mouse Problems Solving Hardware Installation Problems 11Solving Hardware Installation ProblemsComputer will not start Cause Solution Option card Solving Hardware Installation ProblemsGoes away Once bad card is identified, remove and replace badSolving 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 Drivers for a new expansion board were installed New network card will not boot Cause SolutionNetwork controller requires drivers Solving Memory Problems Solving Memory Problems13Solving Memory Problems Enww Some fans only operate when needed Solving Processor ProblemsSolving Processor Problems 14Solving Processor ProblemsSolving 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 System will not boot from USB Drive Key Cause Solution Solving Drive Key Problems16Solving Drive Key Problems USB Drive Key not found identified 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 Modem Solving Internet Access ProblemsClick on System and Maintenance Double-clickAgere Systems PCI-SV92PP Soft19Solving Software Problems Solving Software ProblemsContacting Customer Support Contacting Customer SupportPost Error Messages Control panel message Description Recommended action Post Numeric Codes and Text MessagesPost Numeric Codes and Text Messages Table A-1Numeric Codes and Text MessagesBoard If the error persists after replacingMemory modules Memory modules, replace the systemReplace the graphics card if possible Flash Screen Image Corrupted Flash Screen image has errorsClear CMOS. See Appendix B Verify monitor is attached and turnedUnder Storage DPS Self-test Enww Table A-2Diagnostic Front Panel LEDs and Audible Codes Activity Beeps Possible Cause Recommended ActionIs not spinning, make sure the fans cable is Continue adding devices one at a time to This procedure until failure occurs. ReplaceDevice that is causing the failure Replace one device at a time and repeatCheck to see if the 5Vaux light on Check that both power supply cables areProblem persists, replace the system board Properly connected to the system boardCmos 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 Index
Related manuals
Manual 4 pages 1.09 Kb Manual 19 pages 40.13 Kb Manual 114 pages 23.07 Kb