Toshiba Satellite M40 (PSM40) - Manual (Page 153)

User’s Manual 9-7
Troubleshooting
LCD panel
Apparent LCD problems may be related to the computer’s setup. Refer to
Chapter 7, HW Setup and Passwords , for more information.
Hard disk drive
Problem Procedure
No display Press hot keys Fn + F5 to change the display
priority, to make sure it is not set for an external
monitor.
Markings appear on the
LCD
They might have come from contact with the
keyboard, TouchPad or cPad. Try wiping the LCD
gently with a clean dry cloth. If markings remain,
use LCD cleaner. Be sureto let the LCD dry
before closing it.
Problems above remain
unresolved or other
problems occur
Refer to your software’s documentation to
determine if the software is causing the difficulty.
Contact your dealer if the problems continue.
Problem Procedure
Computer does not boot
from hard disk drive
Check if a diskette is in the diskette drive or a
CD-ROM is in the optical media drive. Remove
any diskette and/or CD-ROM and check Boot
priority. Refer to Chapter 7, Boot Priority .
There may be a problem with your operating
system files. Refer to your operating system
documentation.
Slow performance 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.