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: Unity Through Division: Sometimes hard decisions need to be made to make genuine progress. (posted 2024-11-18 at 19:13:00). I do podcasts too!. You can listen to my latest podcast, here: OJB's Podcast 2024-08-22 Stirring Up Trouble: Let's just get every view out there and fairly debate them..