Black second screen after 18.04 update

by Virgileo   Last Updated June 20, 2018 22:02 PM

After update to 18.04 from 17.10 my second monitor seems to be detected (though weirdly as " Samsung Electric Company 19" " when it actually is Samsung SyncMaster 940N) but is black. It is set to join displays and I can blindly manipulate stuff on the second display desktop space.

I have vanilla gnome installed though switching to ubuntu styled gnome changes nothing. Forcing no wayland also doesn't seem to do anything.

What can be the problem?



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