Fan noise since upgrading to Big Sur on iMac Pro
Since Upgrading to Big Sur my fan is running almost all of the time. Even when running only Safari and Mail. This was never an issue before. Is anyone else having this issue? Any suggestions?
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Sharon_419
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Community Specialist
Hello
Welcome to Apple Support Communities!
If we understand your post correctly, since upgrading to Big Sur the fan is running almost all of the time. We're happy to help!
Let's try an SMC reset.
How to reset the SMC of your Mac
You may also want to try an NVRAM reset.
Reset NVRAM or PRAM on your Mac
We also recommend starting in safe mode. Sometimes just starting in this mode and then restarting normally can resolve issues like this: How to use safe mode on your Mac
Let us know if you have any questions.
Thank you for using Apple Support Communities.
Take care!