CPU fan always at 100%

nibla123 · Jun 3, 2016

Temp in idle, about 38-40 °C (pretty hot summer right now)
In load around 60 °C

Intel Core i5 3570k @3.40 ghz (Non-overclocked)

CPU FAN: 100%
CPU FAN RPM: Around 2080 RPM
Standard intel cpu fan.

Why is the CPU-Fan running in 100%, my computer isnt really that loud and im having it right next to me on my desk, but a little quiet during idle / low usages i would like

Thankful for answeres

(Sorry for bad english)

Mouse117 · Jun 3, 2016

Hello, nibla 123

What motherboard are you using? And make sure you have the fan plugged into the 4-Pin CPU fan slot on your motherboard.

iXeon · Jun 3, 2016

Well you can search for the term smart fan speed in the motherboard boot menu.and if you found it set it on smart and see if it fixes the problem.
And sometimes it's just so hot even though the cpu fan is on smart mode but run the fan on higher RPM to make the processor cold.

Chicano · Jun 3, 2016

Sounds to me like summer heat and CPU temp are what make the CPU fan run at max speed, so it all sounds normal to me... but you could change the Control Panel > Power Options > Plan > to a different plan or you could create your own custom power plan for convenience.

https://www.google.com/search?q=guide+to:+windows+power+options+plans

nibla123 · Jun 4, 2016

Thanks for all the fast answers

My motherboard userguide says its MSI Z77A-S01 or Z77A-S03 or Z77A-S40.(MODEL NO MS-7752)
Yes the CPU fan goes to the "CPU Fan" slot.

Okay ill try to find it in bios, is it under boot menu?

iXeon · Jun 4, 2016

Go to boot menu> Main board settings >system status > Hardware monitor > CPU smart fan target. you can find more information in the manual of the motherboard.:
https://eu.msi.com/Motherboard/support/Z77A-S01.html#down-manual

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CPU fan always at 100%

nibla123

Commendable

iXeon

Mouse117

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iXeon

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Chicano

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nibla123

Commendable

iXeon

Honorable

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