Could you run a command: tail -f /var/log/messages | grep gnome-power-manager
in a terminal? Press the power button and see If it produces any useful output then paste the output here. -- regression: pressing power button no longer brings up logout dialog https://bugs.launchpad.net/bugs/57872 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
