Fan Hard to control: https://wiki.archlinux.org/index.php/fan_speed_control http://askubuntu.com/questions/249157/manually-turn-on-cpu-fan http://askubuntu.com/questions/63588/how-do-i-get-fan-control-working http://unix.stackexchange.com/questions/30020/how-do-i-start-the-fan-manually-in-linux