Disc Operation - Panasonic Toughbook CF-52GUNBX2B Reference Manual

Troubleshooting (Advanced)
Sound
No sound.
Distorted sound.
Cannot change the volume by press-
ing Fn+F5 or Fn+F6.
When logging on (e.g., resuming the
computer), audio is distorted.
Keyboard
Only numbers can be input.
Only capital letters can be input.
Cannot enter special characters (ß, à,
ç, etc.) and symbols.

Disc Operation

The CD/DVD drive does not work nor-
mally.
Cannot play back TV programs
recorded on a commercial DVD
recorder.
A blue background appears on the
screen when playing an MPEG image.
The CD/DVD drive vibrates exces-
sively or makes noise.
Press Fn+F4 or Fn+F6 to cancel mute.
Performing Fn key combinations sometimes causes sound distortion. Stop and
restart playback.
Activate the Windows sound function. When it is not active, the volume does
not change even if is displayed.
Perform the following steps to change the audio settings to prevent audio out-
put.
Right-click the desktop and click [Personalize] - [Sounds].
A
Remove the check mark from [Play Windows Startup sound].
B
is on, the keyboard is in ten-key mode. Press NumLk to
When the indicator
cancel.
When the indicator is on, the keyboard is in Caps Lock mode.
Press Caps Lock to cancel.
Use the character map. Click
tem Tools] - [Character Map].
Set [DVD Operation] to [Enable] in the [Security] menu of the Setup Utility
( page 67).
Clean the lens ( page 23).
Check the disc condition (
Finalize the disc on the DVD recorder when the program was recorded in video
mode on DVD-R/RW or in VR mode on DVD-RW.
You opened the CD/DVD drive or removed the MPEG disc while it was operat-
ing. Re-insert the MPEG disc and close the CD/DVD drive.
Insert the disc correctly.
Check the disc condition (
Set [DVD Drive Speed] to [Low] in the [Main] menu of the Setup Utility
( page 65).
When writing to a CD using B's Recorder, set the writing speed at [8x] or less.
(Start) - [All Programs] - [Accessories] - [Sys-
page 24).
page 24).
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