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kaylyn67 Author

Level 1

4 points

Prohibitory symbol

Straight out of the box my MacBook Air will not go past the login screen. I log in and the screen goes black and shows me the prohibitory symbol. How do I fix this

MacBook Air 13", macOS 10.14

Posted on Dec 9, 2019 7:24 PM

Top-ranking reply

y_p_w

Level 6

17,684 points

Posted on Dec 9, 2019 8:38 PM

That means it doesn't find a proper boot volume. Have you tried to see if it can go into Internet Recovery Mode? You'll need a good internet connection. Ethernet is best but will require an adapter. Wi-Fi without a "splash screen" will work. You can enter a Wi-Fi password, but if it needs something like an approval screen (think a cafe) it won't work.

How to reinstall macOS from macOS Recovery - Apple Support

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Prohibitory symbol

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