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Computer seems to be locked up.
Cause
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 the following table.
Sound cuts in and out.
Cause
Processor resources are being used by other open applications.
Sound does not come out of the speaker or headphones.
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 line-out connector mute
the internal speaker.
Computer is in Sleep state.
Internal speaker is disabled in Computer Setup.
Some applications can select which audio output device is used.
The operating system controls may be set to use a different audio
device as the default output device than what is expected.
86
Chapter 7 Troubleshooting without diagnostics
Solution
1.
Use the task manager to close programs that do not
respond.
2.
Attempt the normal Windows "Shut Down" 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.
Solution
Shut down all open processor-intensive applications.
Solution
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. This can also be performed using 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 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.
Enable the internal speaker in Computer Setup. Select Advanced >
Built-in Device Options.
Make sure the application has selected the correct audio device.
Set the operating system to use the correct audio device.
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