Gigabyte P35 DS3P fan control problem

Soldato
Joined
4 May 2004
Posts
3,270
I have the fan set to Legacy, and PWM.
Sometimes it controls the CPU and case fan (front fan sits at 1200RPM, rear at 1000) CPU around 1000, and increases to 1500 or so under load.

However, sometimes the CPU fan will stay at 100%. Right now, my CPU fan is running at 2500RPM, and the CPU is 23-24 degrees. If i go into the bios and check, it will be on Legacy/PWM.

I need to reboot the PC to get it to auto-control the fan. It nearly always doesn't work from a cold boot.
any ideas?
 
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