Use this for models which contain the T2 chip... MacBook Air 2018 and later. MacBook Pro 2018 and later.
Shut down the Mac. Press the power button and hold it for 10 seconds. Release the power button. Wait a few seconds. Press the power button to turn on again.
If this doesn't fix the problem, try this... Shut down the Mac. Press and hold these keys: right shift, left option, left control for seven seconds. Continue to hold these, then press the power button for another 7 seconds. Release all the keys. Press the power button to turn on.
I usually write a blog post about once a week. The latest post can be viewed here: We Need Trump and Musk: I wonder if Trump and Musk might like to visit here after they have finished sorting out America! (posted 2025-02-11 at 11:40:37). I do podcasts too!. You can listen to my latest podcast, here: OJB's Podcast 2025-01-30 Pragmatic Libertarianism: Freedom is important. Maybe it's all that really matters..