Can Not Shutdown In Ubuntu 12.04 Precise Pangolin

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http://ubuntuguide.net – When you’re going to shutdown/reboot your Ubuntu, it goes through all the motions as if it will shut down, but then it stays on. I found a solution that fix Ubuntu stays or cannot fully shutdown problem, it may or may not work for everyone, keep reading if you wanna give a try. Getting Start: Open terminal from the dash home, or press Ctrl+Alt+T, execute this command to edit /etc/default/grub gksudo gedit /etc/default/grub Fint out this line: GRUB_CMDLINE_LINUX_DEFAULT="quiet splash" Change it into following and save the file. GRUB_CMDLINE_LINUX_DEFAULT="quiet splash acpi=force" Fina (HowTos)