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System fan spinning crazy

Last response: in Overclocking
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August 18, 2012 3:03:26 PM

i just got a system fan from my old system (which used to work great, doesnt pass 2000 rpms) but in this system, it passes 3800 rpm, it sounds like a jet landing, anyway to reduce the noise? i tried from bois & speedfan but doesnt work or i didn't do it correctly, i plugged the 3 pin fan into a 4 pin header since the 3 one is far, i also tried the 3 header but same problem
a c 242 K Overclocking
August 18, 2012 3:53:24 PM

if your mobo don't have feature mode 3pin fan controler in bios ... it will ran full RPM evertime :)  , buy new one will cheap
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August 18, 2012 3:58:11 PM

it does, i try to set it, it says it will set it at 50% but at restart the same
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a b K Overclocking
August 18, 2012 7:16:21 PM

can you post your mb info so we can look at the mb guild. sometime in the bios they have setting for fan 3 or 4 pin fans..fans by speed or temp.
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a b K Overclocking
August 18, 2012 7:22:35 PM

3pin fans don't modulate the speed, the easiest way to get the fan to slow down is to do the 7v mod(or I should say cheapest) easiest would be to get a fan controller.
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