...or spend time trying to locate electrical issues you don't have! 
The fan wouldn't run on my new G73. After removing the fan guard I found that the fan was actually jammed. The blades were striking the shroud in several places. After adjusting the fan location all is well. Works fine....nice and warm.

The fan wouldn't run on my new G73. After removing the fan guard I found that the fan was actually jammed. The blades were striking the shroud in several places. After adjusting the fan location all is well. Works fine....nice and warm.