Fan problem after Macos Big Sur

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Fan problem after Macos Big Sur

I was using Mojave and happy with that. Upgraded to Big Sur and that was a mistake for me obviously!

The main problem is, my macbook's fan works all of a sudden. I thought at first (and after some search) this was because of the new system and when it get stabilized, it will stop. But it didn't. Later, I thought it was because of chrome and removed that. Use like that for apr. 2 months. It wasn't that again.

I don't understand, what's with this OS? What should I do?

One of the main reasons that I choose this laptop was there wasn't any fan noise. When it starts, I close the lid until it stops and continue onward but it's very annoying.

If anyone helps, I would be very grateful.

MacBook Air 13″, macOS 11.0

Posted on Mar 23, 2021 2:36 PM

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Answer 1

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Old Toad

Level 10

210,479 points

Mar 23, 2021 3:29 PM in response to meminb

Boot into Safe Mode according to Start up your Mac in safe mode - Apple Support and see if the problem persists. Reboot normally and check again.

NOTE: Safe Mode boot can take up to 10 minutes as it's doing the following;

• Verifies your startup disk and attempts to repair directory issues, if needed

• Loads only required kernel extensions (prevents 3rd party kernel/extensions from loading)

• Prevents Startup Items and Login Items from opening automatically

• Disables user-installed fonts

• Deletes font caches, kernel cache, and other system cache files

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Fan problem after Macos Big Sur

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