Overclocking cpu fan speed changes constantly

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beleebala

TS Rookie
Help. I have a gigabyte motherboard with AMD XP 1800. I found that my cpu fan speed is going up and down periodically. I goes from 300 to 1200 rpm in a 2 sec cycle. It is a fan problem or a motherboard problem??
 

Liquidlen

TechSpot Paladin
Unless you have a fan controller on your system it may be a failing fan,irregular power supply which comes off of the MB usually.
Try a new fan .. go from there.
 

Didou

Bowtie extraordinair!
Your motherboard could also have a fan control technology such as Asus' Q-Fan which lowers the fan's speed when the CPU is running cool & speeds it up when the CPU starts to get hot.
 
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