Solving Audio Problems - HP xw9400 Service And Technical Reference Manual

Solving audio problems

Table 5-8 Audio problems
Problem
Sound does not come out of the
speaker or headphones.
Noise or no sound comes out of the
speakers or headphones.
NOTE
audio until you switch back to an auto-sense or analog mode.
If you set analog as the Output Mode, external digital speakers will not function until you change the output mode back
to an auto-sense or digital mode.
ENWW
Software volume control is
turned down.
The external speakers are not
turned on.
External speakers are plugged
into the wrong audio jack.
Audio cable not connected.
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
and the system LED is
flashing.
If you set digital as the Output Mode, the internal speaker and external analog speakers will no longer output
Cause
Double-click the Speaker icon on the taskbar and use the
volume slider to adjust the volume.
Turn on the external speakers.
See the sound card documentation for proper speaker
connection.
Connect audio cable between CD or DVD-ROM drive and
the system board.
Enable digital CD audio:
1. From the Control Panel, select System.
2. On the Hardware tab, click Device Manager.
3. Right-click the CD/DVD device and select
Properties.
4. On the Properties tab, be sure Enable digital CD
audio for this CD-ROM device is selected.
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, and then click Sounds
and Audio Devices.
2. Clear the Mute check box.
Press the power button to resume from Standby mode.
1. If using digital speakers that have a stereo jack and
want the system to auto-switch to digital, use a stereo-
to-mono adapter to properly engage the auto-sense
feature or use the multimedia device properties
to manually switch the audio signal from analog to
digital.
2. If the headphones have a mono jack, use the
multimedia device properties to switch the system to
analog out.
Troubleshooting scenarios and solutions 119
Solution
CAUTION When attempting to resume from
Standby mode, do not hold down the power button
for more than four seconds. Otherwise, the
workstation will shut down and you will lose your
data.