D–18
433611-001
Service Reference Guide, dx7300
Troubleshooting Without Diagnostics
Sound does not come
out of the speaker or
headphones.
(continued)
External speakers
plugged into the wrong
audio jack.
See the sound card documentation
for proper speaker connection.
Digital CD audio is not
enabled.
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.
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.
Volume is muted.
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.
Computer is in
standby
mode.
Press the power button to resume
from
standby
mode.
Ä
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.
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.
Plug the headphones into the
headphone connector on the front of
the computer.
Solving Audio Problems
(Continued)
Problem
Cause
Solution
