Moved to ATI driver, Does gdm and the desktop use the same resolution and refresh rate? If not can you change gdm resolution.
** Changed in: xorg (Ubuntu) Sourcepackagename: xorg => xserver-xorg-video-ati Status: Unconfirmed => Needs Info -- X hangs system on switch back https://launchpad.net/bugs/57840 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs