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Шиномонтажник 10 Jun @ 11:31am
How to fix CPU fan problem
I connected pc but i going to bios.
motherboard Asrock 650bi ligthning
And CPU_fan1, CPU_fan2, CPU: N/A
And my fan 100% speed cause over noisy.
And i don't know how fix this.
Erros AMT(nothing)
Just i on my pc and await Windows it s all
But my fan so noisy
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Showing 1-3 of 3 comments
_I_ 10 Jun @ 11:38am 
how are the fans connected?

using molex/sata power adapter will keep it at 100% all of the time

plug them into mobo headers

in bios, set fans to 20-30% at 30-50c, and to 100% at 90c
#1
Phénomènes Mystiques 10 Jun @ 11:39am 
CPU Fan_2

CPU Fan_2 Control Mode set it to PWM Mode IF the fan has 4-pins, if not you can use an application like ASRock Fan-tastic tuning or use CPU Fan_1 [Standard] or [Customize]. :csd2smile:

Here is the BIOS manual for the Asrock B650I Lightning WiFi (PDF page 73/74):

https://pg.asrock.com/mb/AMD/B650I%20Lightning%20WiFi/index.asp#Manual:~:text=China-,Software/BIOS%20Setup%20Guide

https://download.asrock.com/Manual/Software/AMD%20B650/Software_BIOS%20Setup%20Guide_English.pdf
Last edited by Phénomènes Mystiques; 10 Jun @ 11:49am
#2
Monk 10 Jun @ 11:41am 
On the fan control section of the bios, change the fan mode to pwm then apply / setup the fan curve you want.

Make sure the fans are plugged into the cpu fan header on the mobo also.
#3
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Date Posted: 10 Jun @ 11:31am
Posts: 3
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