HP EliteDesk 800 G4 Maintenance and Service Guide - Page 101

Solving audio problems, listed in the following table.

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Solving audio problems If the computer has audio features and you encounter audio problems, see the common causes and solutions listed in the following table. Headset microphone connected to the front is not working or is very quiet. Cause Solution The front Headset connector supports CTIA (Cellular Telephone Industries Association) style headsets and not OMTP (Open Mobile Terminal Platform) style headsets. These differ by the microphone connections. Make sure that a CTIA style headset is being used or use an OMTP style headset with a commercially available adapter that converts an OMTP headset to the CTIA pinout. Sound cuts in and out. Cause Processor resources are being used by other open applications. Solution Shut down all open processor-intensive applications. Sound does not come out of the speaker or headphones. Cause Solution Software volume control is turned down or muted. Double-click the Speaker icon on the taskbar, then make sure that Mute is not selected and use the volume slider to adjust the volume. Audio is hidden in Computer Setup. Enable the audio in Computer Setup: Advanced > Built-in Device Options. The external speakers are not turned on. Turn on the external speakers. The audio device may be connected to the wrong jack. Ensure that the device is connected to the correct jack on the computer. The rear audio jack output is the green receptacle. The speakers should be plugged into the line-out jack and the headphones should be plugged into the headphone jack. External speakers plugged into the wrong audio jack on a recently See the sound card documentation for proper speaker connection. installed sound card. The rear audio jack output is the green receptacle. Headphones or devices connected to the line-out connector mute Turn on and use headphones or external speakers, if connected, the internal speaker. or disconnect headphones or external speakers. Computer is in Sleep state. Press the power button to resume from Sleep state. 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 in Windows 10, type device manager in the taskbar search box, and then select Device Manager from the list of applications. Solving audio problems 93

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Solving audio problems
If the computer has audio features and you encounter audio problems, see the common causes and solutions
listed in the following table.
Headset microphone connected to the front is not working or is very quiet.
Cause
Solution
The front Headset connector supports CTIA (Cellular Telephone
Industries Association) style headsets and not OMTP (Open Mobile
Terminal Platform) style headsets. These
differ
by the
microphone connections.
Make sure that a CTIA style headset is being used or use an OMTP
style headset with a commercially available adapter that converts
an OMTP headset to the CTIA pinout.
Sound cuts in and out.
Cause
Solution
Processor resources are being used by other open applications.
Shut down all open processor-intensive applications.
Sound does not come out of the speaker or headphones.
Cause
Solution
Software volume control is turned down or muted.
Double-click the
Speaker
icon on the taskbar, then make sure
that
Mute
is not selected and use the volume slider to adjust the
volume.
Audio is hidden in Computer Setup.
Enable the audio in Computer Setup:
Advanced
>
Built-in Device
Options
.
The external speakers are not turned on.
Turn on the external speakers.
The audio device may be connected to the wrong jack.
Ensure that the device is connected to the correct jack on the
computer. The rear audio jack output is the green receptacle. The
speakers should be plugged into the line-out jack and the
headphones should be plugged into the headphone jack.
External speakers plugged into the wrong audio jack on a recently
installed sound card.
See the sound card documentation for proper speaker connection.
The rear audio jack output is the green receptacle.
Headphones or devices connected to the line-out connector mute
the internal speaker.
Turn on and use headphones or external speakers, if connected,
or disconnect headphones or external speakers.
Computer is in Sleep state.
Press the power button to resume from Sleep state.
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 in Windows 10, type
device
manager
in the taskbar search box, and then select
Device
Manager
from the list of applications.
Solving audio problems
93