There's a globe with an exclamation point what do I do ?

That is internet restore (command + option + R) trying to boot from the Apple server(s).

1. Are you connected to your network?

2. Is your network connected to the internet?

Have a nice day.

If what you see resembles the screen down at the bottom of this link. you may have a problem if rebooting brings it back up. https://support.apple.com/en-us/HT204156