HP dc5850 Solving General Problems, There is no sound or sound volume is too low Cause Solution

Page 17

Table 2-1Solving General Problems (continued)

There is no sound or sound volume is too low.

Cause	Solution

System volume may be set low or muted.	1. Check the F10 BIOS settings to make sure the internal
		system speaker is not muted (this setting does not affect
		the external speakers).
	2.	Make sure the external speakers are properly connected
		and powered on and that the speakers' volume control is
		set correctly.
	3.	Use the system volume control available in the operating
		system to make sure the speakers are not muted or to
		increase the volume.

The audio device may be connected to the wrong jack on the	Ensure that the device is connected to the correct jack on the
rear of the computer.	rear of the computer.

Poor performance is experienced.

Cause	Solution

Processor is hot.	1. Make sure airflow to the computer is not blocked. Leave
		a 10.2-cm (4-inch) clearance on all vented sides of the
		computer and above the monitor to permit the required
		airflow.
	2.	Make sure fans are connected and working properly
		(some fans only operate when needed).
	3.	Make sure the processor heatsink is installed properly.

Hard drive is full.	Transfer data from the hard drive to create more space on the
	hard drive.

Low on memory.	Add more memory.

Hard drive fragmented.	Defragment hard drive.

Program previously accessed did not release reserved	Restart the computer.
memory back to the system.

Virus resident on the hard drive.	Run virus protection program.

Too many applications running.	1. Close unnecessary applications to free up memory.
		Some applications run in the background and can be
		closed by right-clicking on their corresponding icons in the
		task tray. To prevent these applications from launching at
		startup, go to Start > Run (Windows XP) or Start >
		Accessories > Run (Windows Vista) and type
		msconfig. On the Startup tab of the System
		Configuration Utility, uncheck applications that you do not
		want to launch automatically.
		CAUTION: Do not prevent applications from launching
		at startup that are required for proper system operation.
	2.	Add more memory.

ENWW	Solving General Problems 11

Image 17

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 Protecting the SoftwareSelect a language and click Download HP Backup and Recovery Manager Safety and Comfort Safety and Comfort Before You Call for Technical Support Helpful Hints Helpful Hints Computer date and time display is incorrect Cause Solution Solving General Problems1Solving General Problems Poor performance is experienced Cause Solution Solving General ProblemsThere is no sound or sound volume is too low Cause Solution Cause Solution Enww Power supply shuts down intermittently Cause Solution Solving Power Problems2Solving Power Problems 3Solving Diskette Problems Solving Diskette ProblemsSolving Diskette Problems Problem has occurred with a disk transaction Cause Solution Cannot format diskette Cause SolutionDiskette drive cannot read a diskette Cause Solution Invalid system disk message is displayed Cause SolutionBoot Storage Boot OrderSecurity Password Options Storage Storage Options Removable Media4Solving Hard Drive Problems Solving Hard Drive ProblemsHard drive error occurs Cause Solution Disk transaction problem Cause SolutionNonsystem disk/NTLDR missing message Cause Solution Solving Hard Drive ProblemsStorage Boot Order list Computer will not boot from hard drive Cause SolutionComputer seems to be locked up Cause Solution 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 Install the video drivers included in the upgrade kitOut of Range displays on screen Cause Solution Select ImageControl/ Horizontal Position or VerticalCertain typed symbols do not appear correct Cause Solution Solving Audio Problems Solving Audio Problems7Solving Audio Problems Sound cuts in and out Cause SolutionUnsaved data Line-in jack is not functioning properly Cause Solution8Solving Printer Problems Solving Printer ProblemsSolving Printer Problems 9Solving Keyboard Problems Solving Keyboard and Mouse Problems10Solving Mouse Problems Select Shut DownSolving Keyboard and Mouse Problems Computer will not start Cause Solution Solving Hardware Installation Problems11Solving Hardware Installation Problems Goes away Solving Hardware Installation ProblemsOnce bad card is identified, remove and replace bad Option cardWake-on-LAN feature is not functioning Cause Solution Solving Network Problems12Solving Network Problems Diagnostics reports a failure Cause Solution Solving Network ProblemsNetwork status link light never flashes Cause Solution Network controller requires drivers Drivers for a new expansion board were installedNew network card will not boot Cause Solution 13Solving Memory Problems Solving Memory ProblemsSolving Memory Problems Enww Solving Processor Problems Solving Processor Problems14Solving Processor Problems Some fans only operate when neededMode in Security Password Options Solving CD-ROM and DVD Problems15Solving CD-ROM and DVD Problems Cannot eject compact disc tray-load unit Cause Solution Solving CD-ROM and DVD ProblemsMovie will not play in the DVD drive Cause Solution 16Solving Drive Key Problems Solving Drive Key ProblemsUSB Drive Key not found identified Cause Solution System will not boot from USB Drive Key Cause Solution17Solving Front Panel Component Problems Solving Front Panel Component ProblemsSolving Front Panel Component Problems Unable to connect to the Internet Cause Solution Solving Internet Access Problems18Solving Internet Access Problems Click on System and Maintenance Solving Internet Access ProblemsDouble-clickAgere Systems PCI-SV92PP Soft Modem19Solving Software Problems Solving Software ProblemsContacting Customer Support Contacting Customer SupportPost Error Messages Post Numeric Codes and Text Messages Post Numeric Codes and Text MessagesTable A-1Numeric Codes and Text Messages Control panel message Description Recommended actionMemory modules If the error persists after replacingMemory modules, replace the system BoardClear CMOS. See Appendix B Flash Screen Image Corrupted Flash Screen image has errorsVerify monitor is attached and turned Replace the graphics card if possibleUnder Storage DPS Self-test Enww Is not spinning, make sure the fans cable is Table A-2Diagnostic Front Panel LEDs and Audible CodesActivity Beeps Possible Cause Recommended Action Device that is causing the failure This procedure until failure occurs. ReplaceReplace one device at a time and repeat Continue adding devices one at a time toProblem persists, replace the system board Check that both power supply cables areProperly connected to the system board Check to see if the 5Vaux light onCmos 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