HP pavilion xu100 서비스 매뉴얼

 

Troubleshooting and Maintenance 

 

Troubleshooting Your Computer 

  

Reference 

Guide 

111 

If sound does not record 

•  Check the software controls for recording sound: click Start, Programs (or All 

Programs), Accessories, Multimedia (or Entertainment), Sound Recorder. 

•  In Volume Control, click Options, Properties, and make sure the microphone is 

enabled in the recording controls. 

•  Test the audio with the e-Diagtools diagnostics—see “Testing the Hardware” on 

page 133. 

If you hear a loud high-pitched whine (feedback) from the speakers 

•  In the Volume Control, try reducing the Master volume: double-click the speaker icon 

in the taskbar. 

•  In Volume Control, click Options, Properties, and select the microphone option for 

the playback settings. Then in Volume Control, make sure the microphone is muted. 

•  Avoid using the built-in microphone and built-in speakers at the same time. 

CD and DVD problems 

If you can’t boot from a CD or DVD in the CD/DVD drive 

•  Make sure the CD or DVD is bootable, such as the Recovery CD. 
•  Make sure the CD-ROM/DVD drive is selected as the boot device—see “To change 

the boot device” on page 32. 

•  Restart the computer: click Start, Shut Down (or Turn Off Computer), Restart. 
•  Test the CD/DVD drive with the e-Diagtools diagnostics—see “Testing the 

Hardware” on page 133. 

If a DVD plays erratically 

•  Dirt or smudges can cause a disc to skip. Clean the disc with a soft cloth. If the disc is 

badly scratched, it will probably have to be replaced. 

•  Some DVDs include software called “PC Friendly.” You generally should not install 

this software, as it can cause errors or erratic play. If needed, uninstall itand restart 
your system.