My MacBook turned off while os update and now I can’t turn it on. What should I do?
MacBook power on problem
Hope you may find useful advice here:
h t t p s : / / appletoolbox.com/macbook-will-not-start-macos-sierra-update-fix/
If not enough, contact Apple support (ask for phone contact).
Hi there,
You might have better luck asking this question over in Apple Support Communities run by Apple Support.