After Sales
77
Errors and Possible Causes
The screen is black:
This error can have different causes:
1. The operational display (On /Off switch) is not lit and the notebook is busy with
'file swapping'.
Solution:
Press the On /Off switch.
2. The sleep LED is flashing. The notebook is in the sleep mode.
Solution:
Press the On /Off switch.
3. The backlight in the LCD screen has been deactivated with the Fn+F7 shortcut.
Solution:
Press Fn+F7 again to switch on the background lighting.
The notebook switches itself off during operation.
► The battery could be empty. Connect the notebook to the AC adapter and charge
the battery.
The notebook cannot be switched on.
► Try using the notebook on battery power and and check whether it is correctly
inserted and charged.
Incorrect time and date display.
► Click the time display in the task bar and set the correct values.
No data can be read from the optical drive.
► Check whether the disc is correctly inserted.
► Is the drive displayed in Explorer? If yes, test another disc.
The WLAN connection is not functioning (optional).
► Using the key combination Fn+F2 you can enable or disable the wireless LAN
function.
The Bluetooth connection is not functioning (optional).
► Using the key combination Fn+F3 you can enable or disable the wireless
Bluetooth function.
The touchpad is not functioning.
► Press the Fn+F9 key combination in order to activate the touchpad.
