Sponsored:

Your customers are already searching—if you’re not online, they’re choosing someone else. A polished website builds trust, works 24/7, and turns interest into action. With RoseHosting, you don’t need code, a big budget, or weeks of waiting: pick a design, add your content, and launch fast.
Stop being invisible. Start owning your digital storefront today—build your WordPress site now.
Author: Thom Holwerda
Source
Power-on self-tests (POST) are widely used in electronics, and one of the oldest features of personal computers. Every model of Mac in the past has had its own POST routines, some that have become famous because of the sounds that result, or what’s displayed, from the sight of a Sad Mac to the sound of a car crash. So what happens when an Apple silicon Mac fails its POST? Does it even run them? I never stopped to think about this. The answer is interesting in that it’s not definitive.