MacBook Fan Doesn’t Stop Running? Won’t Turn Off? (Fixed!)

Macbook fan won’t stop?

MacBook Fan Doesn’t Stop Running?

This problem has been reported by Lukeshaw in the comments of our macOS Ventura PB 3 review page:

“Fan spinning without stopping after this update! As if the Macbook performs complicated tasks all the time, even when it’s idle!”

I’ve also found similar reports on Reddit.

Apparently the issue is caused by the powerd process that’s glitching out because of the new Send email later feature, available in the stock Mail app.

To convince yourself press cmd+Space bar to bring up the Spotlight search and open Activity Monitor. In the CPU tab, is the powerd process.

How To Fix Mac Fan Doesn’t Stop Running

If that’s the case, perform the following troubleshooting sequence:

• Open Terminal app (cmd + Space and search for Terminal).
• Copy/paste and run the following command: sudo pmset schedule cancelall
• Open Activity Monitor and check if the CPU usage has returned to normal levels.

Fact: MacBook fan should stop soon because computer stopped working at full throttle.

Have you managed to stop MacBook fan from running continuously, even when computer is in idle mode? Do you have a better solution? Share it in the comments.

Important: Other process, might also cause your Mac to work full time and require the fan to spin without stopping. Let us know if you identify a different cause for this behavior.

Related: Other macOS Ventura issues reported in the early days are:
– Mac WiFi not working after macOS 13 update. Here is how to fix it.
– New System Settings app glitching out. Here are more details.