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Troubleshooting (Advanced)
Sound
No sound. z Press
Fn
+
F4
or
Fn
+
F6
to cancel mute.
Distorted sound. z Performing
Fn
key combinations sometimes causes sound distortion. Stop and
restart playback.
Cannot change the volume by press-
ing
Fn
+
F5
or
Fn
+
F6
.
z Activate the Windows sound function. When it is not active, the volume does
not change even if is displayed.
When logging on (e.g., resuming the
computer), audio is distorted.
z Perform the following steps to change the audio settings to prevent audio out-
put.
A Right-click the desktop and click [Personalize] - [Sounds].
B Remove the check mark from [Play Windows Startup sound].
Keyboard
Only numbers can be input.
z When the indicator is on, the keyboard is in ten-key mode. Press
NumLk
to
cancel.
Only capital letters can be input.
z When the indicator is on, the keyboard is in Caps Lock mode.
Press
Caps Lock
to cancel.
Cannot enter special characters (ß, à,
ç, etc.) and symbols.
z Use the character map. Click (Start) - [All Programs] - [Accessories] - [Sys-
tem Tools] - [Character Map].
Disc Operation
The CD/DVD drive does not work nor-
mally.
z Set [DVD Operation] to [Enable] in the [Security] menu of the Setup Utility
(Î page 67).
z Clean the lens (Î page 23).
z Check the disc condition (Î page 24).
Cannot play back TV programs
recorded on a commercial DVD
recorder.
z 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.
A blue background appears on the
screen when playing an MPEG image.
z 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.
The CD/DVD drive vibrates exces-
sively or makes noise.
z Insert the disc correctly.
z Check the disc condition (Î page 24).
z Set [DVD Drive Speed] to [Low] in the [Main] menu of the Setup Utility
(Î page 65).
z When writing to a CD using B’s Recorder, set the writing speed at [8x] or less.