You may try this : sudo sed -i "s/SystemMenu=false/SystemMenu=true/" /etc/X11/gdm/gdm.conf sudo sed -i "s/SystemMenu=false/SystemMenu=true/" /etc/X11/gdm/gdm.conf-custom
-- Power off button disappeared https://launchpad.net/bugs/47838 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
