You could try booting to a command line and: sudo apt-get install --reinstall gnome-power-manager
-- When logging on power manager fails https://bugs.launchpad.net/bugs/563862 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-power-manager in ubuntu. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs