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deegeea Author

Level 1

4 points

My iMac fan is very loud

My fan is very loud although the desktop is cool and running correctly

[Re-Titled by Moderator]

iMac 21.5″, macOS 10.13

Posted on Dec 10, 2021 1:09 PM

Top-ranking reply

rkaufmann87

Level 10

144,090 points

Posted on Dec 10, 2021 2:29 PM

Please reset the SMC 2-4 times with wired external peripherals disconnected. Sometimes it takes several attempts for a SMC reset to work which is why I suggest doing it 2-4 times.

The link for SMC reset instructions are in SMC Reset

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My iMac fan is very loud

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