Happened to me 2 times on a fresh install (12.04) upgraded to to (12.04.1). ctrl+alt+F1 and back to UI (ctrl+alt+F7) doesn't help.
-- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-power-manager in Ubuntu. https://bugs.launchpad.net/bugs/1001908 Title: Login screen doesn't always appear To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-power-manager/+bug/1001908/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs