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My MacBook Pro is flashing with a ?

My MacBook Pro is flashing with a ?

online says that I no longer have a functioning operating system.

what do I need to do next?



[Re-Titled by Moderator]


Posted on Dec 9, 2021 11:59 AM

Reply
Question marked as Top-ranking reply

Posted on Dec 9, 2021 12:01 PM

Read here:

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

1 reply

My MacBook Pro is flashing with a ?

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