Dim characters Cause Solution | HP dx7300 manual

Table 2-6Solving Display Problems (continued)

Blank screen and the 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

Pre-video memory error.

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.

Blank screen and the 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

Pre-video graphics error.

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.

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

Cause	Solution

System board failure (ROM detected failure prior to video).	Replace the system board.

Monitor does not function properly when used with energy saver features.

Cause	Solution

Monitor without energy saver capabilities is being used with	Disable monitor energy saver feature.
energy saver features enabled.

Dim characters.

Cause	Solution

The brightness and contrast controls are not set properly.	Adjust the monitor brightness and contrast controls.

Cables are not properly connected.	Check that the graphics cable is securely connected to the
	graphics card and the monitor.

24 Chapter 2 Troubleshooting Without Diagnostics

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HP dx7300 manual Dim characters Cause Solution

Contents

Troubleshooting Guide Troubleshooting Guide Iii Iv About This Book Table of contents Appendix B Password Security and Resetting Cmos Accessing DPS Through Computer Setup HP Insight Diagnostics HP Insight Diagnostics Survey Tab Test Tab Log Tab Protecting the Software Select a language and click DownloadProtecting the Software HP Backup and Recovery Manager Safety and Comfort Before You Call for Technical Support Safety and Comfort Helpful Hints Helpful Hints Solving General Problems 1Solving General ProblemsComputer date and time display is incorrect Cause Solution Cannot remove computer cover or access panel Cause Solution Solving General ProblemsThere is no sound or sound volume is too low Cause Solution Poor performance is experienced Cause Solution Run Windows XP or Start Accessories Run Cause Solution Hard drive LED does not turn on green then Solving Power Problems 2Solving Power ProblemsPower supply shuts down intermittently Cause Solution Solving Diskette Problems Solving Diskette Problems3Solving Diskette Problems Diskette drive cannot read a diskette Cause Solution Cannot format diskette Cause SolutionProblem has occurred with a disk transaction Cause Solution Invalid system disk message is displayed Cause Solution Security Password Options Storage Boot OrderBoot Storage Storage Options Removable Media Hard drive error occurs Cause Solution Solving Hard Drive Problems4Solving Hard Drive Problems Disk transaction problem Cause Solution Computer will not boot from hard drive Cause Solution Solving Hard Drive ProblemsNonsystem disk/NTLDR missing message Cause Solution Computer seems to be locked up Cause Solution Again 5Solving Media Card Reader Problems Solving Media Card Reader ProblemsSolving Media Card Reader Problems Can not write to the media card Cause Solution Enww 6Solving Display Problems Solving Display ProblemsSolving Display Problems Blank screen no video Cause Solution Dim characters Cause Solution Image is not centered Cause Solution Out of Range displays on screen Cause Solution Certain typed symbols do not appear correct Cause Solution 7Solving Audio Problems Solving Audio ProblemsSolving Audio Problems Sound cuts in and out Cause Solution Sound from headphones is not clear or muffled Cause Solution Solving Printer Problems Solving Printer Problems8Solving Printer Problems Solving Keyboard and Mouse Problems 9Solving Keyboard ProblemsSelect Shut Down Solving Keyboard and Mouse Problems 10Solving Mouse Problems Solving Hardware Installation Problems 11Solving Hardware Installation ProblemsComputer will not start Cause Solution Once bad card is identified, remove and replace bad Solving Hardware Installation ProblemsGoes away Option card Solving 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 New network card will not boot Cause Solution 13Solving Memory Problems Solving Memory ProblemsSolving Memory Problems Out of memory error Cause Solution Insufficient memory error during operation Cause Solution 14Solving Processor Problems Solving Processor ProblemsSolving Processor Problems Some fans only operate when needed Solving 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 Enww 16Solving Drive Key Problems Solving Drive Key ProblemsSolving Drive Key Problems USB Drive Key not found identified Cause Solution Solving Front Panel Component Problems 17Solving Front Panel Component Problems 18Solving Internet Access Problems Solving Internet Access ProblemsSolving Internet Access Problems Unable to connect to the Internet Cause Solution Click on System and Maintenance Double-clickAgere Systems PCI-SV92PP SoftModem Solving Software Problems Solving Software Problems19Solving Software Problems Contacting Customer Support Post Error Messages Table A-1Numeric Codes and Text Messages Appendix a Post Error MessagesPost Numeric Codes and Text Messages Control panel message Description Recommended action On the Documentation and Diagnostics CD Post Numeric Codes and Text Messages Advanced Onboard Devices Control panel message Description Under Storage DPS Self-test Sata Enww 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 Cmos Locate, press, and hold the Cmos button in for five seconds Figure B-1 Cmos button Drive Protection System DPS Accessing DPS Through Computer Setup Select Storage DPS Self-Test Index