I have an EVGA nVidia 550 GT Ti video card and am running Ubuntu 12.04.1 with the 304.64 nVidia drivers installed. By default, the fan runs at about 20% speed. There is no place in nvidia-settings to change fan speed. In Windows, I used a program by EVGA called Precision X to control the speed.
I tried to use an xorg.conf file to add "coolbits" "4" to enable some supposed hidden settings in nvidia-settings, but it just made my system unusable and I had to boot in recover mode to delete the file I created. I tried the file in home/[USER], etc/X11, and usr/share/X11/xorg.conf.d and the same thing happened or nothing at all changed.
Is there a GUI program that will let me change this setting or can someone give me some help with a way to make an xorg.conf file that doesn't crash the system.