i installed speed-fan and i changed something now my fans wont cool the inside of my computer what do i do http://www.walmart.com/ip/CyberpowerPC-Black-Gamer-Ultra-GUA250-Desktop-PC-with-AMD-Quad-Core-FX-4300-Processor-8GB-Memory-1TB-Hard-Drive-and-Windows-7-Home-Premium-Monitor/17811825