FWIW, also struck me last week. I posted a question on the Unix StackExchange, since AskUbuntu doesn't allow "Ubuntu +1" questions: "Dual monitor confusion in Ubuntu Gnome 17.10" =
https://unix.stackexchange.com/q/389785/99759 I don't know whether some of the data posted there will help... -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1714410 Title: Can't change display configuration, Method ApplyConfiguration is not implemented on interface org.gnome.Mutter.DisplayConfig To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/1714410/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs