Solving Audio Problems - HP xw4200 Service And Technical Reference Manual

Solving Audio Problems

Table 5-8
Solving Audio Problems
Problem
Sound does not come out of the
speaker or headphones.
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.
Noise or no sound comes out of
the speakers or headphones.
NOTE: If you set digital as the Output Mode, the internal speaker and external analog speakers will no longer output
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.
Cause
Software volume control is
turned down.
The external speakers are not
turned on.
External speakers 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.
TROUBLESHOOTING SCENARIOS AND SOLUTIONS 135
Solution
Double-click the Speaker icon on the taskbar and
use the volume slider to adjust the volume.
Turn on the external speakers.
Refer to 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 the Device
Manager button.
3 Right-click on the CD/DVD device and select
Properties.
4 On the Properties tab, be 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 checkbox to remove the
check mark from the 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.