HP D3K72UT D3K72UT#ABA manual Sound from headphones is not clear or muffled Cause

Table D-7Solving Audio Problems (continued)

Sound does not come out of the speaker or headphones.

Cause	Solution
Some applications can select which audio output device is	Make sure the application has selected the correct audio
used.	device.
The operating system controls may be set to use a different	Set the operating system to use the correct audio device.
audio device as the default output device than what is
expected.

Sound from headphones is not clear or muffled.

Cause Solution

Headphones are plugged into the rear audio output connector. The rear audio output connector is for powered audio devices and is not designed for headphone use.

Plug the headphones into the headphone connector on the front of the computer.

Computer appears to be locked up while recording audio.

Cause Solution

The hard disk may be full.

Before recording, make sure there is enough free space on the hard disk. You can also try recording the audio file in a compressed format.

Line-in jack is not functioning properly.

Cause Solution

Jack has been reconfigured in the audio driver or application software.

In the audio driver or application software, reconfigure the jack or set the jack to its default value.

There is no sound or sound volume is too low.

Cause Solution

The application is set to use a different audio device than speakers.

Some graphics cards support audio over the DisplayPort connection, so multiple audio devices may be listed in Device Manager. Make sure the correct device is being used.

Some applications can select which audio output device is	Make sure the application has selected the correct audio
used.	device.
The operating system controls may be set to use a different	Set the operating system to use the correct audio device.
audio device as the default output device than what is
expected.

160 Appendix D Troubleshooting Without Diagnostics