Toshiba Satellite M50 (PSM53) - Manual (Page 149)

TOSHIBA M50 9-7
Troubleshooting
Keyboard
Keyboard problems can be caused by your setup configuration. For more
information refer to Chapter 5,
The Keyboard .
LCD panel
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
Lines appear broken. Check if you are in DOS mode. In DOS, lines may
appear broken, because of the LCD screen's
higher resolution. The Windows display should
appear normal.
No display Press the Hotkey Fn + F5 to change the display
priority and ensure it is not set for an external
monitor.
Make sure instant security was not activated.
Try entering your password, if you have one
registered. Or, turn the power off and back on to
clear instant security .
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.