When pushing "Apply" to rearrange the displays the following appears in syslog.
`Sep 5 11:39:43 myubuntu gnome-control-c[2912]: Error applying configuration: GDBus.Error:org.freedesktop.DBus.Error.UnknownMethod: Method ApplyConfiguration is not implemented on interface org.gnome.Mutter.DisplayConfig` -- 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/1715021 Title: Gnome settings for primary/secondary monitor are not working To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/1715021/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs