HP dc5750 Network status link light never flashes, Diagnostics reports a failure Cause Solution

Page 40

Table 2-12Solving Network Problems (continued)

Network status link light never flashes.

NOTE

The network status light is supposed to flash when there is network activity.

Cause

Solution

Network driver is not properly loaded.

Reinstall network drivers. See the Network & Internet Communications Guide on the Documentation and Diagnostics CD.

System cannot autosense the network.

Disable auto-sensing capabilities and force the system into the correct operating mode. See the Network & Internet Communications Guide on the Documentation and Diagnostics CD.

Diagnostics reports a failure.

Cause

Solution

 

 

The cable is not securely connected.

Ensure that the cable is securely attached to the network connector and that the other end of the cable is securely attached to the correct device.

The cable is attached to the incorrect connector.

Ensure that the cable is attached to the correct connector.

 

 

There is a problem with the cable or a device at the other end

Ensure that the cable and device at the other end are operating

of the cable.

correctly.

Network controller interrupt is shared with an expansion board. Under the Computer Setup Advanced menu, change the

 

resource settings for the board.

 

 

The network controller is defective.

Contact an authorized service provider.

 

 

Diagnostics passes, but the computer does not communicate with the network.

Cause

Solution

 

 

Network drivers are not loaded, or driver parameters do not match current configuration.

Make sure the network drivers are loaded and that the driver parameters match the configuration of the network controller.

Make sure the correct network client and protocol is installed.

The network controller is not configured for this computer.

Select the Network icon in the Control Panel and configure

 

the network controller.

 

 

Network controller stopped working when an expansion board was added to the computer.

Cause

Solution

 

 

Network controller interrupt is shared with an expansion board.

Under the Computer Setup Advanced menu, change the

 

resource settings for the board.

 

 

The network controller requires drivers.

Verify that the drivers were not accidentally deleted when the

 

drivers for a new expansion board were installed.

 

 

The expansion board installed is a network card (NIC) and

Under the Computer Setup Advanced menu, change the

conflicts with the embedded NIC.

resource settings for the board.

 

 

34 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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