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Fujitsu LIFEBOOK U939 - Reset by Switching the Battery Off; Incorrect Date or Time; Notebook LCD Screen Remains Blank

Fujitsu LIFEBOOK U939
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Tro ubl eshooting and ti ps
Reset by switching the battery off
If the device no longer responds and does not r eact to the ON/OFF button, use the ON /O F F
button for the battery on the underside of the device to switch off the device.
Switch the battery off and on again (see c hapter "
Switch ing the battery on and off", Page 3 5
If you need to restore your system
In the event you need to restore your system, please refer to the appendix of this Operating M anual.
The notebook’s date or time is incorrect
Incorrecttim eTimenotc orrectWrong date/timeDatenot co rrect
Cause Troubleshooting
Time and date are incorrect. With the B IOS- Setup -Ut ility, you can set the
date and time in the Main menu.
Date and time are still set incorrectly after
switching on the noteb ook.
Please contact your sales outlet or our
hotline/service desk.
When certain characters are entered on the
keyboard, o nly numerals are written
Cause Troubleshooting
The virtual number keys of your device are
activated, see "
Virtual number keys", Page 30
Press the
Num
button.
The notebook’s LCD screen remains blank
LCDscreenBlankLCDs
creen
Cause Troubleshooting
Screen is switched off.
Press a key or touch the to uchp ad.
External monitor or television set co nnected.
Press the
key for changing over the screen
output, s
ee "
Hot Keys", Page 26.
The LCD screen of the notebook is difcult to read
LCDsc
reen
LCDsc
reen
Cause Troubleshooting
Reected glare Turn the notebook or alter the tilt of the LCD
screen.
Increase the brightness of the screen.
Fujitsu 63

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