If your Mac starts up to a blank screen - Apple Support

If your Mac is lost or stolen - Apple Support

How to fix the iPhone Black Screen of Death

How to Resolve support.apple.com/iphone/restore Screen?

Have your Mac speak text that's on the screen - Apple Support

Take a tour of Mac mini - Apple Support

MacBook Pro Dead or Not Turning on? Here is Quick Fix - The Lappy Maker® Blog

If your Mac doesn't start up all the way - Apple Support

Official Apple Support

Black screen on MacBook Pro? Here's how to fix it