Hi, i have a problem with my cpu fan. It was working normally for 3 years but now today, out of no where it starts running at 100%. I restarted and also fully shut down. I even turned off the psu and it still is stuck. The fan is 3 pin and its super load and annoying. Any help?
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Most CPU fans nowadays are 4 pin, although most motherboards can run three-pin fans using their 4-pin headers.
Check that your BIOS is using "voltage" control and not PWM control for the CPU fan.