Compaq Prosignia 190 Maintenance And Service Manual page 114

External microphone
does not work.
No sound from
headphones
Problem
Computer is beeping
and battery power
light is blinking
You are using the wrong
type of microphone or
microphone plug for the
computer.
The microphone may
not be connected
properly.
Sound source not
selected.
Audio settings are not
set correctly.
Volume control on the
computer is turned
down.
Volume or mixing
controls set incorrectly.
Sound source not
selected.
The headphones are
connected to the wrong
jack.
Volume too low or too
loud Volume or mixing
controls set incorrectly.
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Solving Battery/Battery Gauge Problems
Possible Cause
Battery pack charge is low.
Check to see if you are using
a monophonic electret
condenser microphone with a
3.5-mm plug.
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's
audio settings.
Adjust the computer volume
with the Fn+F5 hotkeys.
Adjust the overall volume
with the Fn+F5 hotkeys.
Use the mixing features
available by double-clicking
the speaker icon on the
Windows taskbar.
Verify that the sound source
is selected in Control Panel
-> Multimedia.
Check the connection.
Adjust the overall volume
with the Fn+F5 hotkeys.
Check the mixing features
available by double-clicking
the speaker icon on the
Windows taskbar.
Solution
Charge the battery pack
by connecting to an
external power source.
Replace the battery pack
with another fully charged
battery.