A globe with an exclamation point appears on my screen

Globe with alert symbol

You might see a globe with an exclamation point when your Mac is unsuccessfully attempting to start up from macOS Recovery over the Internet. Your Mac might not be able to connect to the Internet, or it might be using a network configuration that doesn't work with macOS Recovery. Try these solutions:

• Use Command-R at startup to attempt to use the built-in macOS Recovery system instead of macOS Recovery over the Internet.
• Connect to the Internet using Ethernet instead of Wi-Fi, or vice versa.
• Connect to the Internet from a different network.
• Try again later, because the issue might be temporary.