Solving Audio Problems - HP Pro 3330 Microtower Maintenance & Service Manual

Solving Audio Problems

If the computer has audio features and you encounter audio problems, see the common causes and
solutions listed in the following table.
Table A-6
Sound cuts in and out.
Cause
Processor resources are being used by other open
applications.
Sound does not come out of the speaker or headphones.
Cause
Software volume control is turned down or muted.
Audio is hidden in Computer Setup.
The external speakers are not turned on.
The audio device may be connected to the wrong jack.
External speakers plugged into the wrong audio jack on a
recently installed sound card.
Headphones or devices connected to the line-out connector
mute the internal speaker.
Computer is in Sleep state.
Internal speaker is disabled in Computer Setup.
The application is set to use a different audio device than
speakers.
160 Appendix A Troubleshooting Without Diagnostics
Solving Audio Problems
Solution
Shut down all open processor-intensive applications.
Solution
Double-click the Speaker icon on the taskbar, then make
sure that Mute is not selected and use the volume slider to
adjust the volume.
NOTE: In Windows 8, the taskbar is available at the bottom
of the Desktop screen.
Enable the audio in Computer Setup: Security >
Device Security > System Audio.
Turn on the external speakers.
Ensure that the device is connected to the correct jack on the
computer. The rear audio jack output is the green receptacle.
The speakers should be plugged into the line-out jack and
the headphones should be plugged into the headphone jack.
See the sound card documentation for proper speaker
connection. The rear audio jack output is the green
receptacle.
Turn on and use headphones or external speakers, if
connected, or disconnect headphones or external speakers.
Press the power button to resume from Sleep state.
CAUTION: When attempting to resume from Sleep state,
do not hold down the power button for more than four
seconds. Otherwise, the computer will shut down and you
will lose any unsaved data.
Enable the internal speaker in Computer Setup. Select
Advanced > Device Options > Internal Speaker.
Some graphics cards support audio over the DisplayPort
connection (if applicable), so multiple audio devices may be
listed in Device Manager. Make sure the correct device is
being used.
To access Device Manager in Windows 7, click Start, select
Control Panel, and then select Device Manager.
To access Device Manager in Windows 8, from the Start
screen, type c, select Control Panel from the list of
applications, and then select Device Manager.