Operating system restore

Hello, Bobcat4244.

Sorry you're having this problem with your Mac.

Maybe this support document will have something useful in it.

How to reinstall macOS - Apple Support:

https://support.apple.com/en-us/HT204904

I have had success (Intel Mac) by powering on and immediately holding the Command and R keys to reinstall the OS. I believe that is what the Support link in a previous reply suggests.