System Fan Plugged in and receiving power, but not spinning?

Wookierex

Honorable
Oct 26, 2013
4
0
10,510
I have just upgraded my FX 8350 with a H100i as the stock cooler isnt the best for gaming, finally got it all working etc, (had to move case fan to side panel) but now my system fan (case fan) that i moved is not spinning anymore? It is recieving power as the blue LED is on, I had a fiddle about, forgot to plug the PSU back into my GPU and the fan started spinning again, obviously i plugged the GPU back in as I needed to see the screen :p .

What im basically saying is the case fan will not spin but is recieving power, but it spins if i do not connect my GPU. Any help would be appreciated.

Thanks

(Posted this in MOBO area but no response)
 

Wookierex

Honorable
Oct 26, 2013
4
0
10,510
The only other fans I have are 4 pin Molex, it was working fine before i installed my H100i, the only other thing I can think of doing is connecting a second 4 pin header to the CPU block and attach my case fan to that?