Question Original Motherboard was down then I replaced it, now when I turn the PC fans run at maximum speed all the time.

Jul 5, 2019
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One week ago, we had a problem with electricity in the house, and as a result the motherboard was damaged, replaced it keeping the old parts. Before, the fans were dead silent even on the highest pressure, now just by pressing the power button fans run at full speed no stop. Temps are very good we're talking about 32 degrees Celsius now. they were higher then but not that much, about 40 degrees Celsius.
 

Satan-IR

Honorable
What are your full system specs including PSU?

If you have 3-pin fans connected to 4-pin headers on the new motherboards you need to go into BIOS and change fan control from PWM to voltage control if the setting is available.
 

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