To check if it was hardware related, I have just swapped out the video card for a 5770 and have found the same issues.
The same dialog pops up when running Unity-2D and trying to set the "Displays" app to extend the desktop across both monitors. -- 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/864505 Title: [Oneiric] Cannot setup dual monitor with AMD 5870 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/864505/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs