fan not spinning

So I had noticed a couple times in precision x1 that it only says that I have two fans. I've seen some threads saying that one of them is exhaust fan and two are considered intakes. So I didn't think anything of it but I just happened to look under the graphics card just to see what was going on...

Hey there, I have a Sapphire HD 7790 2GB OC single fan and the fan does not work. The GPU itself, however, DOES work and displays a video output. What happens is, I turn on the PC and for 1s it turns on as the PC boots up then stops spinning. I am not sure if it is supposed to spin when it...

So I've done everything from uninstalling drivers with DDU to manually adjusting fan speed in Precision X1 (although I dont know how to really use EVGA software in terms of leaving it running after applying and saving or what). While I'm gaming only Fan #1 is spinning and the other one is at...