HP dx7300 manual Hard drive LED does not turn on green then

Page 19

Table 2-1Solving General Problems (continued)

System does not power on and the LEDs on the front of the computer are not flashing.

Cause	Solution

	OR
	Press and hold the power button for less than 4 seconds. If the
	hard drive LED does not turn on green then:
	1.	Check that the unit is plugged into a working AC outlet.
	2.	Open hood and check that the power button harness is
		properly connected to the system board.
	3.	Check that both power supply cables are properly
		connected to the system board.
	4.	Check to see if the 5V_aux light on the system board is
		turned on. If it is turned on, then replace the power button
		harness.
	5.	If the 5V_aux light on the system board is off, then replace
		the power supply.
	6.	Replace the system board.

ENWW	Solving General Problems 13

Image 19

Contents Troubleshooting Guide 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 Select a language and click Download Protecting the SoftwareProtecting the Software HP Backup and Recovery Manager Safety and Comfort Safety and Comfort Before You Call for Technical SupportHelpful Hints Helpful Hints 1Solving General Problems Solving General ProblemsComputer date and time display is incorrect Cause Solution Poor performance is experienced Cause Solution Solving General ProblemsThere is no sound or sound volume is too low Cause Solution Cannot remove computer cover or access panel Cause SolutionCause Solution Run Windows XP or Start Accessories RunHard 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 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 seems to be locked up Cause Solution Solving Hard Drive ProblemsNonsystem disk/NTLDR missing message Cause Solution Computer will not boot from hard drive Cause SolutionAgain 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 Out of Range displays on screen Cause Solution Image is not centered Cause SolutionCertain typed symbols do not appear correct Cause Solution Sound cuts in and out Cause Solution Solving Audio ProblemsSolving Audio Problems 7Solving Audio ProblemsSound 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 10Solving Mouse Problems Solving Keyboard and Mouse Problems11Solving Hardware Installation Problems Solving Hardware Installation ProblemsComputer will not start Cause Solution Option card Solving Hardware Installation ProblemsGoes away Once bad card is identified, remove and replace bad12Solving 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 Out of memory error Cause Solution Solving Memory ProblemsSolving Memory Problems 13Solving Memory ProblemsInsufficient memory error during operation Cause Solution Some fans only operate when needed Solving Processor ProblemsSolving Processor Problems 14Solving Processor Problems15Solving 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 USB Drive Key not found identified Cause Solution Solving Drive Key ProblemsSolving Drive Key Problems 16Solving Drive Key Problems17Solving Front Panel Component Problems Solving Front Panel Component ProblemsUnable to connect to the Internet Cause Solution Solving Internet Access ProblemsSolving Internet Access Problems 18Solving Internet Access ProblemsDouble-clickAgere Systems PCI-SV92PP Soft Click on System and MaintenanceModem Solving Software Problems Solving Software Problems19Solving Software Problems Contacting Customer Support Post Error Messages Control panel message Description Recommended action Appendix a Post Error MessagesPost Numeric Codes and Text Messages Table A-1Numeric Codes and Text MessagesPost Numeric Codes and Text Messages On the Documentation and Diagnostics CDAdvanced Onboard Devices Control panel message Description Sata Under Storage DPS Self-testEnww 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 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

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