Toshiba 1805 사용자 설명서

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If Something Goes Wrong
Resolving a hardware conflict
You have connected an external keyboard and you get one or 
more keyboard error messages.
If you have a second keyboard, try it. If it works, the first keyboard 
may be defective or incompatible with your computer.
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. Using the TouchPad, click Start, then 
click Turn Off Computer. In the Shut down Windows dialog 
box, select Restart and click OK. The computer will restart and 
recognize the device.
The keyboard locks and the computer will not restart.
Make sure the power is on and press the Turn Off Computer 
button. Then press the power button again to turn on the computer.
Display problems 
Here are some typical display problems and their solutions:
The display 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 
simultaneously. If you have registered a password, press 
Enter
, type your password, then press 
Enter
. If no password is 
registered, press
 Enter
. The screen reactivates and allows you to 
continue working.
If you are using the built-in screen, make sure the display priority 
is not set for an external monitor. To do this, press 
Fn
 and 
F5
 
simultaneously (once). If this does not correct the problem, press 
Fn
 and 
F5 
simultaneously again to return the display priority to its 
previous setting.