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
Question marked as
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