Diagnostics more than 15 minutes and still going
diagnostics ist taking now more than 15 minutes. Started diagnostics because MacBook shut itself down and could not reboot. What can I do?
MacBook Pro 15″, macOS 10.13
User profile for user:
bailier
User level:
Community Specialist
Hello brigitte75,
Welcome to Apple Support Communities!
If we understand your post correctly, you're trying to run the Apple diagnostics on your MacBook because it shuts down on its own and won't reboot but the diagnostics keeps running and doesn't complete. We'd like to help!
Let's give the steps provided in the article below a try for help with your MacBook shutting down on its own.
If your Mac restarted because of a problem
Here is another great resource for when your MacBook won't turn on: If your Mac doesn't turn on
Let us know if you have any questions.
Thank you for using Apple Support Communities.
Take care!