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OSX based system

MacBook Pro 2015 tried to restore to factory setting however just showing circle with line through no entry sign

MacBook Pro 13″, macOS 10.13

Posted on Dec 15, 2022 5:46 AM

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Question marked as Top-ranking reply

Posted on Dec 15, 2022 5:59 AM

A circle with a line or slash through it means that the selected startup disk contains a Mac operating system, but it's not a macOS that your Mac can use. You should reinstall macOS on that disk.

5 replies

OSX based system

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