Thanks for the details, so yeah it seems the issue you are having is that "ghost" screen which is either an hardware or a kernel/driver issue but not a settings one. That's an issue but if that's what the bug is about then it should be closed as invalud from the setting side
Now it could be that the dock at the bottom impact things by making the settings send to another screen which has more available space -- 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/1721637 Title: can't open system settings(Ubuntu 17.10), icon is visible but settings don't display To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/1721637/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs