HP Pro SFF 280 G9 Desktop PC Maintenance and Service Guide - Page 56

Solving audio problems, Sound cuts in and out, Sound does not come out of the speaker or headphones

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Cause Program in use has stopped responding to commands. Solution 1. Use the task manager to close programs that do not respond. 2. Attempt the normal Windows shutdown procedure. If this fails, press the power button for four or more seconds to turn off the power. To restart the computer, press the power button again. Solving audio problems If the computer has audio features and you encounter audio problems, see the common causes and solutions listed in these tables. Sound cuts in and out Use this information to troubleshoot the computer. 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 Use this information to troubleshoot the computer. Cause Software volume control is turned down or muted. Audio is hidden in Computer Setup. The external speakers are not turned on. Headphones or devices connected to the lineout connector mute the internal speaker. Computer is in the Sleep state. Internal speaker is disabled in Computer Setup. Some applications can select which audio output device is used. The operating system controls might be set to use a different audio device as the default output device than what is expected. Solution Double-click the Speaker icon on the taskbar, be sure that Mute is not selected, and use the volume slider to adjust the volume. You can perform this action with the touch-sensitive buttons on the front of the computer. Enable the audio in Computer Setup: Advanced > Built-in Device Options. Turn on the external speakers. Turn on and use headphones or external speakers, if connected, or disconnect headphones or external speakers. Press the power button to resume from the Sleep state. IMPORTANT: When attempting to resume from the Sleep state, do not hold down the power button for more than 4 seconds. Otherwise, the computer will shut down, and you will lose any unsaved data. Enable the internal speaker in Computer Setup. Select Advanced > Built-in Device Options. Be sure that the application has selected the correct audio device. Set the operating system to use the correct audio device. Computer appears to be locked up while recording audio Use this information to troubleshoot the computer. Solving audio problems 49

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Solution
Cause
1.
Use the task manager to close programs that do not respond.
2.
Attempt the normal Windows shutdown procedure. If this fails, press
the power button for four or more seconds to turn off the power. To
restart the computer, press the power button again.
Program in use has stopped responding to
commands.
Solving audio problems
If the computer has audio features and you encounter audio problems, see the common causes and solutions
listed in these tables.
Sound cuts in and out
Use this information to troubleshoot the computer.
Solution
Cause
Shut down all open processor-intensive applications.
Processor resources are being used by other
open applications.
Sound does not come out of the speaker or headphones
Use this information to troubleshoot the computer.
Solution
Cause
Double-click the
Speaker
icon on the taskbar, be sure that
Mute
is not
selected, and use the volume slider to adjust the volume. You can perform
this action with the touch-sensitive buttons on the front of the computer.
Software volume control is turned down or
muted.
Enable the audio in Computer Setup:
Advanced
>
Built-in Device Options
.
Audio is hidden in Computer Setup.
Turn on the external speakers.
The external speakers are not turned on.
Turn on and use headphones or external speakers, if connected, or
disconnect headphones or external speakers.
Headphones or devices connected to the line-
out connector mute the internal speaker.
Press the power button to resume from the Sleep state.
IMPORTANT:
When attempting to resume from the Sleep state, do not hold
down the power button for more than 4 seconds. Otherwise, the computer
will shut down, and you will lose any unsaved data.
Computer is in the Sleep state.
Enable the internal speaker in Computer Setup. Select
Advanced
>
Built-in
Device Options
.
Internal speaker is disabled in Computer Setup.
Be sure that the application has selected the correct audio device.
Some applications can select which audio output
device is used.
Set the operating system to use the correct audio device.
The operating system controls might be set
to use a different audio device as the default
output device than what is expected.
Computer appears to be locked up while recording audio
Use this information to troubleshoot the computer.
Solving audio problems
49