Reset By Switching The Battery Off; If You Need To Restore Your System; The Notebook's Date Or Time Is Incorrect; When Certain Characters Are Entered On The Keyboard, Only Numerals Are Written - Fujitsu LIFEBOOK U939 Operating Manual

Reset by switching the battery off

If the device no longer responds and does not react to the ON/OFF button, use the ON/OFF
button for the battery on the underside of the device to switch off the device.
► Switch the battery off and on again (see chapter

If you need to restore your system

In the event you need to restore your system, please refer to the appendix of this Operating Manual.

The notebook's date or time is incorrect

Wrongdate/time Timenotcorrect Incorrecttime Datenotcorrect
Cause
Time and date are incorrect.
Date and time are still set incorrectly after
switching on the notebook.
When certain characters are entered on the
keyboard, only numerals are written
Cause
The virtual number keys of your device are
activated, see "Virtual number keys", Page 30

The notebook's LCD screen remains blank

LCDscreen BlankLCDscreen
Cause
Screen is switched off.
External monitor or television set connected.
The LCD screen of the notebook is difficult to read
LCDscreen LCDscreen
Cause
Reflected glare
Fujitsu
"Switching the battery on and off", Page 35
Troubleshooting
► With the BIOS-Setup-Utility, you can set the
date and time in the Main menu.
► Please contact your sales outlet or our
hotline/service desk.
Troubleshooting
► Press the Num
Troubleshooting
► Press a key or touch the touchpad.
► Press the key for changing over the screen
output, see "Hot Keys", Page
Troubleshooting
► Turn the notebook or alter the tilt of the LCD
screen.
► Increase the brightness of the screen.
Troubleshooting and tips
button.
26.
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