Keyboard Problems; Display Problems - Toshiba L640-BT2N13 User Manual

Keyboard problems

NOTE
If, when you type, strange things happen or nothing happens, the
problem may be related to the keyboard itself.
The keyboard produces unexpected characters.
A keypad overlay may be on. If the numlock light or cursor control
overlay light is on, press
overlay light, or
If the problem occurs when both the keypad overlays are off, make
sure the software you are using is not remapping the keyboard.
Refer to the software documentation and check that the program
does not assign different meanings to any of the keys.
You have connected an external keyboard and the operating
system displays one or more keyboard error messages.
You may need to update your keyboard driver. Refer to the
documentation that came with the keyboard or to the keyboard
manufacturer's Web site.
The keyboard you connected may be defective or incompatible with
the computer. Try using a different make of keyboard.

Display problems

Here are some typical display problems and their solutions:
The screen is blank.
Display Auto Off may have gone into effect. Press any key to
activate the screen.
You may have activated the instant password feature by pressing
Fn and F1
any key, type the password and press
registered, press any key. The screen reactivates and allows you to
continue working.
L650 series keyboard
To capture a print screen of the entire screen, press the
key.
Fn + PRTSC
To capture only the active window displayed, press
simultaneously pressing the
Fn + F11
simultaneously. If you have registered a password, press
If Something Goes Wrong
Keyboard problems
key.
PRTSC
to turn off the cursor control
Fn + F10
to turn off the numlock light.
Enter
Fn + ALT
. If no password is
171
while