alright i just baught a brand new xfi titanium. after instlation whenver i play a game or do anything strenious on my rig the top 230mm fan on my CM HAF 932 stops working then when im done gaming or whater im doing it spins to life again i have an 850W PSU ive seen and heard people have much more than what i have on this PSU and nothing like this happens, bad fan? or is my PSU not up to par? any adivce would be apreciated