Want to highlight a helpful answer? Upvote!

Did someone help you, or did an answer or User Tip resolve your issue? Upvote by selecting the upvote arrow. Your feedback helps others! Learn more about when to upvote >

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

Stetson1 Author

Level 1

4 points

Mac won’t start after installing new operating system

Why won’t my Mac start after installing operating system?

MacBook Pro 13", OS X 10.10

Posted on Apr 25, 2020 5:05 PM

Best reply

leroydouglas

Community+ 2024

Level 10

184,080 points

Posted on Apr 25, 2020 5:07 PM

Stetson1 wrote:

Why won’t my Mac start after installing operating system?

If your Mac doesn't turn on

https://support.apple.com/en-us/HT204267

If your Mac doesn't start up all the way

https://support.apple.com/en-us/HT204156

If your Mac starts up to an Apple logo or progress bar

https://support.apple.com/en-us/HT207019

View in context

Mac won’t start after installing new operating system

Similar questions