What version of Ubuntu are you using? Does it happen with a new user? Looks like http://bugzilla.gnome.org/show_bug.cgi?id=344936 which has been fixed upstream and to Ubuntu with a new version
-- [feisty] "black screen" is not black https://bugs.launchpad.net/bugs/105836 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs