MacBook displays support.apple.com/mac/startup

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

It seems that your Mac is having trouble booting properly from the installed OS and for some reason is trying to boot from Internet Recovery.

Exactly which year and model MacBook is this?

What version of macOS is installed?

Reneeneal wrote:

The Mac book will turn on and say support.apple.com/mac/startup

Well if you worked your way through all the Help Topic If your Mac doesn't start up all the way

your reference: http://support.apple.com/mac/startup and no resolve...

Not much more can be said—Take it in

In or out of warranty you can get a free over the counter 'Apple Service Diagnostics' test /assessment

Make an appointment for a "hardware issue"

https://www.apple.com/retail/geniusbar/

Outside the USA

https://support.apple.com/en-us/HT201232

what else, EXACTLY is showing on that screen?

did you try accessing that URL?

http://support.apple.com/mac/startup