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Problem
Audio Problems
There is no sound coming
from the built-in speakers.
Optical Drive Problems
LIFEBOOK fails to
recognize optical discs.
Possible Cause
The volume is turned too low.
The software volume control is
set too low.
Headphones are plugged into
your notebook.
Software driver is not
configured correctly.
The speakers have been muted
using the Volume icon in the
system tray.
The disc is not pushed down
onto raised center circle of the
drive.
Optical drive tray is not latched
shut.
Incorrect or no DVD Player soft-
ware is installed.
Wrong drive designator was
used for the disc in the applica-
tion.
Possible Solutions
Adjust the volume using the [Fn+F9] key combination on your keyboard. Press [F9]
repeatedly while holding [Fn] to increase the volume of your notebook.
Manually adjusting the volume (i.e. keyboard "hot keys") should dynamically adjust
the volume of the operating (see above). If that doesn't work, adjust the sound vol-
ume control settings in your software or application.
Plugging in headphones disables the built-in speakers, remove the headphones.
The Audio Driver may be installed or reinstalled. Refer to your application and oper-
ating system documentation for help.
Click on the Volume icon in the tool tray on the bottom right of the screen. (It looks
like a speaker). If the Mute box is checked, click on it to uncheck it. You can also use
the [Fn+F3] key combination to toggle the volume on and off. Pressing [F3] while
holding [Fn] will toggle the audio mute.
Open optical drive tray and re-install the disc properly.
Push on the front of the optical drive tray until it latches. If that doesn't work, pull out
the modular drive latch, remove the device from the bay, then re-insert the drive
until it latched; this ensures that the drive is properly seated.
(See "Media Player Software" on page 60 for more infor-
Install DVD Player software.
mation.)
Verify the drive designator used by the application is the same as the one used by the
operating system. When the operating system is booted from a DVD/CD, drive desig-
nations are automatically adjusted. Note that the drive designation can be changed
with the Disk Management tool located at Administrative Tools > Computer Man-
agement.
86 - Troubleshooting
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