How to troubleshoot a Mac that won’t boot

Illustration by Samar Haddad / The Verge If your Mac suddenly refuses to boot up properly, it can be frustrating — but you don’t have to immediately head to an Apple Store. There are a number of simple tricks you can try to get everything up and running again. I’ll take you through them here.
First, I’ll cover what to do if your computer starts but you only get a blank screen. Later, I’ll talk about some possible actions to take if you see a symbol on the screen or