cooling fans only run at idle speed

nonaddictedgamer

Distinguished
Dec 1, 2011
123
0
18,690
I have a two year old custom pc I built that lately is having issues. when I play games the fans and cooling would kick up but now thye just run at idle. I did smell a slight burn scent coming from the power supply. Need help with this. Weather it be software or hardware.

Specs:
intel core i5 2500k
asus saber p67
12 gigs corsair and ballistix mem
128 gb ssd
evga nvidia 560ti
cooler master 650 w psu