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Solving Audio Problems (Continued)
Problem
Sound does not come
out of the speaker or
headphones. (continued)
Ä
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
any unsaved data will be lost.
Sound from headphones is
not clear or muffled.
Computer appears to be
locked up while recording
audio.
Service Reference Guide, dc7600
Cause
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.
Headphones are
plugged into the rear
audio output connector.
The rear audio
connector is for
powered audio devices
and is not designed for
headphone use.
The hard disk may be
full.
390742-001
Troubleshooting Without Diagnostics
Solution
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.
Plug the headphones into the
headphone connector on the front of
the computer.
1. Before recording, make sure
there is enough free space on
the hard disk.
2. Try recording the audio file in a
compressed format.
D–15
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