HP dx7300 manual Activity Beeps Possible Cause Recommended Action

Page 64

Table A-2Diagnostic Front Panel LEDs and Audible Codes (continued)

Activity

Beeps

Possible Cause

Recommended Action

 

 

 

 

 

 

 

Red Power LED flashes four

4

Power failure (power

1.

Open the hood and ensure the 4 or 6-wire

times, once every second,

 

supply is overloaded).

 

power supply cable is seated into the

followed by a two second

 

 

 

connector on the system board.

pause. Beeps stop after fifth

 

 

2.

Check if a device is causing the problem by

iteration but LEDs continue

 

 

until problem is solved.

 

 

 

removing ALL attached devices (such as

 

 

 

 

hard, diskette, or optical drives, and

 

 

 

 

expansion cards). Power on the system. If

 

 

 

 

the system enters the POST, then power off

 

 

 

 

and replace one device at a time and repeat

 

 

 

 

this procedure until failure occurs. Replace

 

 

 

 

the device that is causing the failure.

 

 

 

 

Continue adding devices one at a time to

 

 

 

 

ensure all devices are functioning properly.

 

 

 

3.

Replace the power supply.

 

 

 

4.

Replace the system board.

 

 

 

 

 

 

 

Red Power LED flashes five

5

Pre-video memory error.

 

 

 

 

 

 

CAUTION: To avoid damage to the

times, once every second,

 

 

 

 

 

 

 

 

DIMMs or the system board, you must

followed by a two second

 

 

 

 

 

 

 

 

unplug the computer power cord before

pause. Beeps stop after fifth

 

 

 

 

 

 

 

 

attempting to reseat, install, or remove a

iteration but LEDs continue

 

 

 

 

 

 

 

 

DIMM module.

until problem is solved.

 

 

 

 

 

 

 

 

 

 

 

 

 

1.

Reseat DIMMs.

 

 

 

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.

 

 

 

 

Red Power LED flashes six

6

Pre-video graphics error.

For systems with a graphics card:

times, once every second,

 

 

1.

Reseat the graphics card.

followed by a two second

 

 

pause. Beeps stop after fifth

 

 

2.

Replace the graphics card.

iteration but LEDs continue

 

 

until problem is solved.

 

 

3.

Replace the system board.

 

 

 

 

 

 

For systems with integrated graphics, replace the

 

 

 

system board.

 

 

 

 

Red Power LED flashes seven

7

System board failure

Replace the system board.

times, once every second,

 

(ROM detected failure

 

 

 

 

followed by a two second

 

prior to video).

 

 

 

 

pause. Beeps stop after fifth

 

 

 

 

 

 

iteration but LEDs continue

 

 

 

 

 

 

until problem is solved.

 

 

 

 

 

 

Red Power LED flashes eight 8

Invalid ROM based on bad

times, once every second,

checksum.

followed by a two second

 

pause. Beeps stop after fifth

 

iteration but LEDs continue

 

until problem is solved.

 

1.Reflash the system ROM with the latest BIOS image. See the “Boot Block Emergency Recovery Mode” section of the Desktop Management Guide on the Documentation and Diagnostics CD for more information.

2.Replace the system board.

58 Appendix A POST Error Messages

ENWW

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Contents Troubleshooting Guide 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 Test Tab Log Tab Select a language and click Download Protecting the SoftwareProtecting the Software HP Backup and Recovery Manager 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 Solving General Problems There is no sound or sound volume is too low Cause SolutionCannot remove computer cover or access panel Cause Solution Poor performance is experienced Cause SolutionRun Windows XP or Start Accessories Run Cause SolutionHard drive LED does not turn on green then 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 SolutionStorage Boot Order BootSecurity Password Options Storage Storage Options Removable MediaSolving Hard Drive Problems 4Solving Hard Drive ProblemsHard drive error occurs Cause Solution Disk transaction problem Cause SolutionSolving Hard Drive Problems Nonsystem disk/NTLDR missing message Cause SolutionComputer 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 Image is not centered Cause Solution Out of Range displays on screen 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 9Solving Keyboard Problems Solving Keyboard and Mouse ProblemsSelect Shut Down Solving Keyboard and Mouse Problems 10Solving Mouse Problems11Solving Hardware Installation Problems Solving Hardware Installation ProblemsComputer will not start Cause Solution Solving Hardware Installation Problems Goes awayOnce bad card is identified, remove and replace bad Option card12Solving Network Problems Solving Network ProblemsWake-on-LAN feature is not functioning Cause Solution Network status link light never flashes Cause Solution Solving Network ProblemsDiagnostics 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 needed15Solving CD-ROM and DVD Problems Solving CD-ROM and DVD ProblemsMode in Security Password Options Movie will not play in the DVD drive Cause Solution Solving CD-ROM and DVD ProblemsCannot 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 SolutionSolving Front Panel Component Problems 17Solving Front Panel Component ProblemsSolving Internet Access Problems Solving Internet Access Problems18Solving Internet Access Problems Unable to connect to the Internet Cause SolutionDouble-clickAgere Systems PCI-SV92PP Soft Click on System and MaintenanceModem Solving Software Problems Solving Software Problems19Solving Software Problems Contacting Customer Support 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 actionOn the Documentation and Diagnostics CD Post Numeric Codes and Text MessagesAdvanced Onboard Devices Control panel message Description Under Storage DPS Self-test SataEnww 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 Clearing and Resetting the Cmos Using Computer Setup to Reset CmosLocate, press, and hold the Cmos button in for five seconds Figure B-1 Cmos buttonDrive Protection System DPS Accessing DPS Through Computer Setup Select Storage DPS Self-TestIndex
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