HP ProDesk 600 G4 Micro Maintenance and Service Guide - Page 86

Built-in Device Options, Association CTIA style headsets. Open Mobile Terminal Platform

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Sound does not come out of the speaker or headphones. Cause Solution CAUTION: When attempting to resume from Sleep state, do not hold down the power button for more than four seconds. Otherwise, the computer will shut down and you will lose any unsaved data. Internal speaker is disabled in Computer Setup. Enable the internal speaker in Computer Setup. Select Advanced > Built-in Device Options. The application is set to use a different audio device than speakers. Some graphics cards support audio over the DisplayPort connection (if applicable), so multiple audio devices may be listed in Device Manager. Make sure the correct device is being used. To access Device Manager, type device manager in the taskbar search box, and then select Device Manager from the list of applications. 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 The hard disk may be full. Solution 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 Jack has been reconfigured in the audio driver or application software. Solution In the audio driver or application software, reconfigure the jack or set the jack to its default value. There is no sound or very weak sound is detected by the headset microphone. Cause Solution The incorrect style of headset is being used. The front headset jack supports only Cellular Telephone Industries Association (CTIA) style headsets. Open Mobile Terminal Platform (OMTP) style headsets are not supported. These styles of headsets differ by the way that the microphone signals are oriented on the 78 Chapter 6 Troubleshooting without diagnostics

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Sound does not come out of the speaker or headphones.
Cause
Solution
CAUTION:
When attempting to resume from Sleep state, do not
hold down the power button for more than four seconds.
Otherwise, the computer will shut down and you will lose any
unsaved data.
Internal speaker is disabled in Computer Setup.
Enable the internal speaker in Computer Setup. Select
Advanced
>
Built-in Device Options
.
The application is set to use a different audio device than speakers.
Some graphics cards support audio over the DisplayPort connection
(if applicable), so multiple audio devices may be listed in Device
Manager. Make sure the correct device is being used.
To access Device Manager, type
device manager
in the taskbar
search box, and then select
Device Manager
from the list of
applications.
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 very weak sound is detected by the headset microphone.
Cause
Solution
The incorrect style of headset is being used.
The front headset jack supports only Cellular Telephone Industries
Association (CTIA) style headsets. Open Mobile Terminal Platform
(OMTP) style headsets are not supported. These styles of headsets
differ by the way that the microphone signals are oriented on the
78
Chapter 6
Troubleshooting without diagnostics