Troubleshooting and tips
40 A26391-K96-Z100-2-7619
The display of the notebook remains blank
Monitor is switched off
Ê Press a key or enter the password
The notebook's display is difficult to read
Reflection
Ê Turn the notebook or alter the tilt of the display.
The external monitor stays blank
If your screen remains blank this may have the following causes:
Monitor is switched off
Ê Switch the external monitor on.
Screen has been blanked
Ê Press any key to continue.
Set contrast control to dark
Ê Set the brightness control to bright.
The notebook has been configured to drive the internal display
Ê Press the key combination [Fn]
[Fn][Fn]
[Fn] + [F12]
[F12][F12]
[F12] (selecting internal/external display).
The external monitor's power cable or data cable is not connected properly
Ê Switch off the external monitor and the notebook.
Ê Check whether the power cable is plugged properly into the power adapter and into the power
outlet.
Ê Check whether the data cable is properly connected to the notebook and the external monitor
(if it is plugged in with a connector).
Ê Switch on the external monitor and the notebook.
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