HP Dx5150 - Compaq Business Desktop Troubleshooting Manual page 41

Solving Audio Problems (Continued)
Problem
Sound does not come
out of the speaker or
headphones.
(continued)
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CAUTION: When attempting to resume from standby mode, do not hold down the
power button for more than four seconds. Otherwise, the computer will shut down
and you will lose your unsaved data.
Troubleshooting Guide
Cause
The external speakers
are not turned on.
External speakers
plugged into the wrong
audio jack.
Digital CD audio is not
enabled.
Headphones or devices
connected to the
line-out connector mute
the internal speaker.
Volume is muted.
Computer is in
standby mode.
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Troubleshooting Without Diagnostics
Solution
Turn on the external speakers.
See the sound card documentation
for proper speaker connection.
Enable digital CD audio:
1. From the Control Panel,
select System.
2. On the Hardware tab, click
the Device Manager button.
3. Right-click on the CD/DVD
device and select Properties.
4. On the Properties tab, make
sure "Enable digital CD
audio for this CD-ROM
device" is checked.
Turn on and use headphones or
external speakers, if connected, or
disconnect headphones or external
speakers.
1. From the Control Panel
program, click Sound,
Speech and Audio
Devices, then click Sounds
and Audio Devices.
2. Click the Mute check box to
remove the check mark from
the box.
Press the power button to resume
from standby mode.
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