Toshiba Satellite U500 User Manual page 175

L C D p an el
Apparent LCD problems may be related to the computer's setup.
Problem
No display
Problems above
remain unresolved or
other problems occur
The screen blinks
while playing a DVD
H ar d d i s k d ri v e
Problem
Computer does not
boot from hard disk
drive
Slow performance
So l id St at e D r iv e
Problem
Computer does not
boot from solid state
drive
User 's Manual
Procedure
Press hot keys Fn + F5 to change the display
priority, to make sure it is not set for an external
monitor.
Refer to your software's documentation to
determine if the software is causing the difficulty.
Run the diagnostic test.
Contact your dealer if the problems continue.
If you see the screen blinking while playing DVD
with subtitle on at Media Player, please use
TOSHIBA DVD Player or Media Center to play
DVD.
Procedure
There may be a problem with your operating
system files. Refer to your operating system
documentation.
Your files may be fragmented. Run disk
Defragmenter to check the condition of your
files and disk. Refer to your operating system
documentation or online help for information on
running disk Defragmenter.
As a last resort, reformat the hard disk. Then,
reload the operating system and other files.
If problems persist, contact your dealer.
Procedure
There may be a problem with your operating
system files. Refer to your operating system
documentation.
Troubleshooting
9-9