Hi my CPU FAN decrease from 1400 RPM to 700 - 800 RPM when i play games like Battlefield 3.
My normal CPU temperature is 28 - 35 ºc at 1350 RPM, and when i play games like BF3 the temperature go to 75 - 80 - 90 ºc and the CPU FAN RPM decrease to 700 - 800, i and dont know why, please help me thanks. My PC -Gigabyte GA-H57M -CPU Intel core i5 760 -GPU Nvidia Geforce GTS 250 -power supply Corsair 550wts
More aboutspeed decreases temperature
That's not good.
You didn't list the CPU cooler make/model. Also, what case and case cooling do you have?
I would go into bios ( or whatever program you have running the fan speeds) and turn off the fan modulation and let it run full out and see how that works.