Operation Manual

Troubleshooting and tips
Restoring the operating system, drivers, manuals
and special software
You can nd information on how to restore the operating system, drivers, manu als
and special software in t he "Recovery P rocess" manual.
The notebook’s date or time is incorrect
SummertimeTime, daylightsaving sTimenotcorrec tTimeno t correctIncorre ctdat e/timeDateisincorrectBufferbattery,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 o n the notebook,
the built-in battery that supplies the internal clock has failed.
Please contact your sales outlet
or our hotline/help desk.
The notebook’s LCD screen remains blank
LCDscreenLCDscreenisto
odark
Cause Troubleshooting
Monitor is switched off.
Press a key or enter the password
External monitor or television set connected. Press the key combination
Fn
+
F10
(switch scre en output).
The LCD screen is difcult to re
ad
LCDscreenLCDscreen
Cause Troubleshooting
Reected glare Turn the note book or alter the tilt of the LCD
screen.
52 10600900868, editio n 1