Troubleshooting and tips
The notebook’s date or time is in
correct
SummertimeTime,daylightsavingsTime notcorrectTime notcorrectIn corre ctdat e/timeDateisincorrectBufferbattery,load
Cause Troubleshooting
Time and date are incorrect. ► With the BIOS-Setup-Utility, you can set t
he
date and time in the main menu.
If the date and time are repeatedly incorrect when you switch on the no tebook,
the built-in battery that supplies the i nternal clock has failed.
► Please contact your sales outlet or our hotline/help desk.
When certain characters are entered on the
keyboard, only numerals are written
Abeepsounds everyseco nd
Cause Troubleshooting
The virtu al numeric keypad of your device
is activated, see "
Virtual numeric keypad
(notebooks without separate nume ric keypad)
", Page 18
► Press the key combination
Fn
+
Num
.
A b eep sounds at a rate of one p
er second
Abeepsounds
everysecond
Cause Troubleshooting
The battery is almost flat. ► Charge the battery.
The notebook’s LCD screen remains blank
LCDscreenLCDscreenistoodark
Cause Troubleshooting
Monitor is sw itched off.
► Press a key or touch the touchpad.
External monitor or television set connected. ► Press the key combination
Fn
+
F10
(switch s creen output).
The LCD screen is difficult to read
LCDscreenLCDscre en
Cause Troubleshooting
Reflected glare ► Turn the notebook or alter the tilt of the LCD
screen.
A26391-K90-Z200-1-7619, edition 1 75
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