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Question: my macbook attempted to install high sierra and now my screen is black with a flashing folder with a question mark on it

High Sierra install broke my MacBook?

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Nov 20, 2017 1:28 PM in response to nursey613 In response to nursey613

Hello nursery613.
Welcome to Apple Support Communities.

If I'm understanding correctly, while updating your macOS, the screen turned black with a question mark. My MacBook is very important to me and I'll be happy to help.

Let's take a look at the steps in the following article to see if it helps: If a flashing question mark appears when you start your Mac

Cheers.

Nov 20, 2017 1:28 PM

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Question: my macbook attempted to install high sierra and now my screen is black with a flashing folder with a question mark on it