It says "Unknown monitor" because the Nvidia driver doesn't support RandR 1.2 or higher. There is nothing we can do about it.
You should use "nvidia-settings" instead of gnome-display-properties. ** Changed in: nvidia-graphics-drivers-180 (Ubuntu) Importance: Low => Wishlist -- Unknown monitor https://bugs.launchpad.net/bugs/305335 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs