Can't get operating system to boot up

[tribalschaible]

Wirelessly posted

Last night I shut down myacbook pro like normal and when I got up this morning it booted up to a screen that looked like a grey cloth with an Apple logo on it. Can't get it past that. Any suggestions as to what I am seeing?

 

[simsaladimbamba]

Have you tried any of these steps?

Mac doesn't boot

Resolve startup issues and perform disk maintenance with Disk Utility and fsck

Troubleshooting: My computer won't turn on

A flashing question mark appears when you start your Mac​