I think this *might* be a duplicate (or at least variant) of bug #828623. ** Summary changed:
- configuration of external monitor on laptop causes lvds to remain black + configuration of external monitor on laptop with DisplayPort causes lvds to remain black -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-control-center in Ubuntu. https://bugs.launchpad.net/bugs/840974 Title: configuration of external monitor on laptop with DisplayPort causes lvds to remain black To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/840974/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs