MacBook Air fan running incessently

Once again, and for no reason that I can figure out, my MacBook Air's fan runs almost immediately upon boot-up and continues to run, even when I close the clamshell and/or otherwise put it to sleep.


Any help/advice is appreciated.


MacOS Sequoia 15.5

MacBook Air 13″, macOS 15.5

Posted on Jul 25, 2025 4:11 PM

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Question marked as Top-ranking reply

Posted on Jul 25, 2025 4:28 PM

1) check Activity Monitor for processes using significant CPU power.


Activity Monitor User Guide for Mac - Apple Support


2) boot in Safe Mode, if it doesn’t occur reboot normally.


Start up your Mac in safe mode - Apple Support


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MacBook Air fan running incessently

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