Руководство Пользователя для Toshiba 4000

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If Something Goes Wrong
Resolving a hardware conflict
For more information on maximizing battery power, refer to 
Keyboard problems
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 mode light is on, press 
Fn
 and 
F10 
simultaneously to turn 
off the cursor control mode light or 
Fn
 and 
F11
 simultaneously to 
turn off the numlock light. 
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’ve connected an external keyboard and the operating 
system displays one or more keyboard error messages.
The keyboard you connected may be defective or incompatible 
with the computer. Try using a different make of keyboard.
Nothing happens when you press the keys on the external 
keyboard.
You may have plugged the external PS/2 keyboard in while the 
computer was turned on. Click StartShut Down, and Restart 
the computer
 using the AccuPoint II on the internal keyboard. 
The computer will restart and recognize the device.