HP ProSignia 120 Maintenance And Service Manual page 41

Table 2-16 Solving Audio Problems
Problem
Internal speaker does not
produce sound when an
external audio source is
connected to the stereo
line-in jack.
External microphone does
not work.
No sound from game
program.
No sound from headphones.
Continued
Probable Cause
Volume may be turned off or
set too low.
Line input may not be
connected properly.
Headphones or speakers are
connected to the stereo
speaker/headphone jack,
which disables the internal
speakers.
The wrong type of
microphone or microphone
plug is being used.
The microphone may not be
connected properly.
Sound source is not selected.
Audio settings are not set
correctly.
Computer volume control is
turned down.
Headphones are connected.
Volume or mixing controls set
incorrectly.
Sound source not selected.
Volume or mixing controls set
incorrectly.
Recommended Action(s)
Adjust the volume control located at the top
right corner of the computer.
Use the volume control and mixing features
available in Control Panel Multimedia.
Adjust the volume using the speaker icon on
the taskbar.
Check line input connection.
Disconnect the headphones or speakers to
enable the internal speakers.
Check to see if a monophonic electret
condenser microphone with a 3.5-mm plug
is being used.
Ensure that the microphone plug is properly
connected to the mono microphone jack.
Ensure that microphone is selected as the
recording source in Control Panel
Multimedia and that the recording level is
adjusted.
Check the game program audio settings.
Adjust the volume with the volume control
buttons located at the top right corner of
the computer.
Use or disconnect the headphones.
Adjust the volume with the volume control
buttons located at the top right corner of the
computer.
Use the volume control and mixing features
available in Control Panel Multimedia.
Verify that the sound source is selected in
Control Panel Multimedia.
Adjust the volume with the volume control
buttons located on the right side of the
computer.
Check the volume and mixer controls in
Control Panel Multimedia.
Troubleshooting 2-19