Toshiba Satellite M40 (PSM42) - Manual (Page 146)

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
Some letter keys
produce numbers
Check that the numeric keypad overlay is not
selected. Press Fn + F10 and try typing again.
Output to screen is
garbled
Make sure the software you are using is not
remapping the keyboard. Remapping involves
reassigning the meaning of each key. See your
software’s documentation.
If you are still unable to use the keyboard,
consult your dealer.
Problem Procedure
No display Press hotkeys 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 OS documentation.