Troubleshooting and tips
The external monitor remains blank
Cause Troubleshooting
Monitor is switched off
► Switch the external monitor on.
Power saving has been activated
(monitor is blank).
► Press any key to continue.
Brightness control is set to dark.
► Adjust the brightness control.
Screen output is set to the notebook’s
LCD screen
► Press the key combination Fn + F10 (switch
screen output).
The external monitor's power cable or
data cable is not connected properly
► Switch off the external monitor and the notebook.
► Check whether the power cable is plugged properly
into the external monitor and into the power socket.
► Check whether the data cable is properly connected
to the notebook and the external monitor (if it is
plugged in with a connector).
► Switch on the external monitor and the notebook.
88 A26391-K220-Z122-1-7619, edition 1
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