sudo gedit /etc/default/grub change : GRUB_CMDLINE_LINUX_DEFAULT="quiet splash" to : GRUB_CMDLINE_LINUX_DEFAULT="quiet acpi=force" sudo update-grub -- Shutdown does not work https://bugs.launchpad.net/bugs/577837 You received this bug notification because you are a member of Kernel Bugs, which is subscribed to linux in ubuntu.