HP OmniBook xe4100 HP Omnibook xe4100 and xe4500 Series Notebook PCs - Corpora - Page 125

CD-ROM and DVD Problems

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Troubleshooting and Maintenance Troubleshooting Techniques If sound does not record • Try plugging in an external microphone. Your model may not have a built-in microphone. • Check the software controls for recording sound: click Start, All Programs (or 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 145. 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. • If your model has a built-in microphone, avoid using it and the built-in speakers at the same time. CD-ROM 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 or DVD. • Make sure the CD-ROM/DVD drive is selected as the boot device-see "To change the boot device" on page 30. • Restart the computer: click Start, Turn Off Computer (or Shut Down), Restart. • Test the DVD drive with the e-Diagtools diagnostics. See "Testing the Hardware" on page 145. 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. • If you're playing the DVD on battery power, try changing the power scheme. See the hint under "To play DVD movies" on page 39. Corporate Evaluator's Guide 125

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Troubleshooting and Maintenance
Troubleshooting Techniques
Corporate Evaluator’s Guide
125
If sound does not record
•
Try plugging in an external microphone. Your model may not have a built-in
microphone.
•
Check the software controls for recording sound: click Start, All Programs (or
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 145.
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.
•
If your model has a built-in microphone, avoid using it and the built-in speakers at the
same time.
CD-ROM 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
or
DVD
.
•
Make sure the CD-ROM/DVD drive is selected as the boot device—see “To change
the boot device” on page 30.
•
Restart the computer: click Start, Turn Off Computer (or Shut Down), Restart.
•
Test the DVD drive with the e-Diagtools diagnostics. See “Testing the Hardware” on
page 145.
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.
•
If you’re playing the DVD on battery power, try changing the power scheme. See the
hint under “To play DVD movies” on page 39.