ektasuri1 Author

Level 1

6 points

No entry sign on Mac start up

log in issue

Posted on May 19, 2018 6:29 AM

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Top-ranking reply

Level 10

111,242 points

Posted on May 19, 2018 6:35 AM

That is the prohibitory symbol:

About the screens you see when your Mac starts up - Apple Support

Boot into Recovery Mode and reinstall Mac OS:

About macOS Recovery - Apple Support

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1 reply

Top-ranking reply

Level 10

111,242 points

May 19, 2018 6:35 AM in response to ektasuri1

That is the prohibitory symbol:

About the screens you see when your Mac starts up - Apple Support

Boot into Recovery Mode and reinstall Mac OS:

About macOS Recovery - Apple Support

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No entry sign on Mac start up

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