The fglrx proprietary driver supports XRandR 1.2, so the Displays capplet will (should) work for it.
The nvidia binary driver does *not* support XRandR 1.2, so (as Daniel notes) the Displays capplet will not work properly (specifically, it won't do any multihead or external display setup) with the nvidia binary driver. ** Changed in: gnome-control-center (Ubuntu Precise) Importance: Wishlist => Medium -- 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/879528 Title: Displays utility doesn't offer to use nvidia-settings with proprietary drivers installed? To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/879528/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs