Model A1312 / Mid 2011 / 2.7 & 3.1 GHz Core i5 or 3.4 GHz Core i7 Processor, ID iMac12,2

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a way to install dimmer switches on the 3 fans

Is there a way to install dimmer switches on the 3 fans for a mid-2011 iMac 27" ?

The fans run at full blast (very very loud) and the only "Apple-fix) is replacing the motherboard.... $ $ $

It works flawlessly, other than that !

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I would install this app to see what is happening within your system: TG Pro. You likely have a sensor failure.


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There is most likely a reason the fans are running away. Please give us a history of the machine. Especially if you have replaced the hard drive. Fans can be controlled using SMCFan Control application, but you really need to determine why they are running so high.

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kameel will be eternally grateful.
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