What's your machine ? Is it a laptop (say a gericom hummer, for instance) ? On such machines it happens that you have to manually setup the Horiz/VertRefreshRate in the xorg.conf.
-- Resolution very low when starting with screen off https://launchpad.net/bugs/50556 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs