Compaq Presario 305 Maintenance & Service Manual page 59

Compaq.com Compaq Presario Maintenance and Service Guide - 305
External microphone does not
work.
No sound from headphones
Volume too low or too loud.
Battery Pack and Battery Gauge Problems (see also
Problem
Computer won't turn
on when battery pack
is inserted and power
cord is unplugged.
file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20che...d%20ok/NOTEBOOKS/PRESARIO%20305/tblnodg2.html (2 of 5)6/27/2004 2:16:36 AM
Volume may be muted.
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 or mixing controls set incorrectly.
Probable Cause
Battery pack is discharged.
Battery connectors may be
bent or broken.
Power
Solution(s)
1. Connect the computer to an external
power source and charge the battery pack.
2. Replace the battery pack with a fully
charged battery pack.
Check the battery connectors on the system
board to verify they are evenly spaced and
that they are not bent or broken.
Uncheck the mute box in
the volume properties.
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 the microphone
is selected as the recording
source in Control Panel,
Multimedia and the
recording level is adjusted.
Check the audio settings for
game programs.
Adjust the computer volume
with the Fn+F5 hotkeys.
1. Adjust the overall volume
with the Fn+F5 hotkeys.
2. 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.
1. Adjust the overall volume
with the Fn+F5 hotkeys.
2. Check the mixing
features available by double-
clicking the speaker icon on
the Windows taskbar.
Problems)