Macbook pro 2010

The globe with an exclamation point means that your Mac tried to start up from macOS Recovery over the Internet, but couldn't. Learn what to do if your Mac can't start up from macOS Recovery.

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

What prompted this?

Were you trying to resolve a problem with your MacBook Pro?

If you are attempting to boot to internet recovery, make sure that your MacBook is connected to your router with an ethernet cable before you restart it.

Error -3001F means the signal strength is not enough. Internet Recovery obviously uses a different wireless driver from OSX because it needs to be much closer to the access point than normally.