HP Compaq dc5700 MT Reference Manual page 184

Troubleshooting Without Diagnostics
Solving Audio Problems (Continued)
Problem
Sound does not come
out of the speaker or
headphones.
(continued)
D–20
Cause
The audio device may
be connected to the
wrong jack on the rear
of the computer or the
jack has been retasked
to perform a different
function.
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.
437804-001
Solution
Ensure that the device is connected
to the correct jack on the rear of the
computer. If the correct jack is being
used and the problem persists, the
jack may have been retasked to
perform a function that is different
from the default function. Open the
Realtek control panel by clicking on
the Realtek HD Audio Manager icon
in the task tray or the Realtek entry
in the operating system's Control
Panel and set the jack to the desired
function.
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.
Service Reference Guide, dc5700