Looks like no one’s replied in a while. To start the conversation again, simply ask a new question.

My iMac tries to boot up, gets halfway then shuts down.

My iMac get halfway through the boot Nd then shuts down.

iMac 21.5", macOS 10.13

Posted on Dec 30, 2019 9:40 AM

Reply
Question marked as Top-ranking reply

Posted on Dec 30, 2019 9:42 AM

Try booting in Safe Mode:

Use safe mode to isolate issues with your Mac - Apple Support

1 reply

My iMac tries to boot up, gets halfway then shuts down.

Welcome to Apple Support Community
A forum where Apple customers help each other with their products. Get started with your Apple Account.