For older Mac desktops, with no T2 chip, reset the SMC like this:
Shut down. Unplug the power. Wait 15 seconds. Reconnect the power cord. Wait 5 seconds. Start the Mac normally.
My latest blog post: Problematic Ideas: Some people will read this and think, what's the problem here? (posted 2025-08-30). Warning: mysqli_connect(): MySQL server has gone away in /Library/WebServer/Documents/Owen2/Inc/Footer.m.inc.php on line 51
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