HP dc5750 manual 7Solving Audio Problems, Sound cuts in and out Cause Solution

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Solving Audio Problems

If the computer has audio features and you encounter audio problems, see the common causes and solutions listed in the following table.

Table 2-7Solving Audio Problems

Sound cuts in and out.

Cause

Solution

 

 

Processor resources are being used by other open

Shut down all open processor-intensive applications.

applications.

 

 

 

 

Direct sound latency, common in many media player

In Windows XP:

applications.

1.

From the Control Panel, select Sounds and Audio

 

 

 

Devices.

 

2.

On the Audio tab, select a device from the Sound

 

 

Playback list.

 

3.

Click the Advanced button and select the Performance

 

 

tab.

 

4.

Set the Hardware acceleration slider to None and the

 

 

Sample rate conversion quality slider to Good and

 

 

retest the audio.

 

5.

Set the Hardware acceleration slider to Full and the

 

 

Sample rate conversion quality slider to Best and

 

 

retest the audio.

 

 

 

Sound does not come out of the speaker or headphones.

Cause

Solution

 

 

Software volume control is turned down.

Double-click the Speaker icon on the taskbar, then make sure that Mute is not selected and use the volume slider to adjust the volume.

Audio is hidden in Computer Setup.

Enable the audio in Computer Setup: Security >

 

Device Security > Audio.

 

 

The external speakers are not turned on.

Turn on the external speakers.

 

 

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 or the jack has been retasked to perform

rear of the computer. If the correct jack is being used and the

a different function.

problem persists, the jack may have been retasked to perform

 

a function that is different from the default function. Open the

 

Realtek control panel by clicking the Realtek HD Audio

 

Manager icon in the task tray or the Realtek entry in the

 

operating system's Control Panel and set the jack to the

 

desired function.

 

 

External speakers plugged into the wrong audio jack on a

See the sound card documentation for proper speaker

recently installed sound card.

connection.

 

 

Digital CD audio is not enabled.

Enable digital CD audio:

 

1.

From the Control Panel, select System.

 

2.

On the Hardware tab, click the Device Manager button.

 

 

 

26 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 Protecting the Software Protecting the SoftwareSelect a language and click Download Restoring the Software Safety and Comfort Before You Call for Technical Support Safety and ComfortHelpful 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 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 Blank screen no video Cause Solution Solving Display Problems6Solving Display Problems 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 Sound cuts in and out Cause Solution Solving Audio Problems7Solving Audio Problems 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 ProblemsRestart Option and then press the Enter keyAfter the shutdown is complete, plug the mouse 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 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 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 Save Changes and Exit Problem Problem goes away Network Server Mode Active and NoEmulation back to RAID and select File 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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