HP Pro 4300 Maintenance & Service Guide HP Compaq Pro 4300 All-in-One Busi - Page 105

Solving Audio Problems, Solving Audio Problems continued

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Table 7-6 Solving Audio Problems (continued) Sound does not come out of the speaker or headphones. Cause Solution Internal speaker is disabled in Computer Setup. Enable the internal speaker in Computer Setup. Select Advanced > Device Options > Internal Speaker. 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 used. Make sure the application has selected the correct audio device. The operating system controls may be set to use a different audio device as the default output device than what is expected. Set the operating system to use the correct audio device. Sound from headphones is not clear or muffled. Cause 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. Solution 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 In the audio driver or application software, reconfigure the software. jack or set the jack to its default value. There is no sound or sound volume is too low. Cause The application is set to use a different audio device than speakers. Solution 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. Solving Audio Problems 97

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Table 7-6
Solving Audio Problems (continued)
Sound does not come out of the speaker or headphones.
Cause
Solution
Internal speaker is disabled in Computer Setup.
Enable the internal speaker in Computer Setup. Select
Advanced
>
Device Options
>
Internal Speaker
.
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
used.
Make sure the application has selected the correct audio
device.
The operating system controls may be set to use a different
audio device as the default output device than what is
expected.
Set the operating system to use the correct audio device.
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.
Solving Audio Problems
97