Troubleshooting and tips
The notebook’s date or time is incorrect
Summertime
Time,daylightsavings
Timenotcorrect
Timenotcorrect
Incorrectdate/time
Dateisincorrect
Bufferbattery,load
Cause
Troubleshooting
Time and date are incorrect.
►
With the
BIOS-Setup-Utility
, you can set the
date and time in the
main
menu.
If the date and time are repeatedly incorrect when you switch on the notebook,
the built-in battery that supplies the internal clock has failed.
►
Please contact your sales outlet or our Hotline/Service Desk.
When certain characters are entered on the
keyboard, only numerals are written
Abeepsounds everysecond
Cause
Troubleshooting
The virtual numeric keypad of your device is
activated, see
"Virtual numeric keypad", Page 23
►
Press the
Num
key.
The notebook’s LCD screen remains blank
LCDscreen
LCDscreenistoodark
Cause
Troubleshooting
Monitor is switched off.
►
Press a key or touch the touchpad.
External monitor or television set connected.
►
Press the key combination to switch the
screen output, see
"Key combinations",
Page 24
.
The LCD screen is difficult to read
LCDscreen
LCDscreen
Cause
Troubleshooting
Re
fl
ected glare
►
Turn the notebook or alter the tilt of the LCD
screen.
►
Increase the brightness of the screen.
Fujitsu Technology Solutions
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Содержание Lifebook P770
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