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Install MacOS on a usb bymistake

Hello,

I install MacOS High Sierra on USB drive instead of updating it through app store. Now my MacBook only starts when I connect this USB. I want to install it back to how it was without deleting any data and with the exact same settings how it was. What can I do?

MacBook, iOS 11.2

Posted on Dec 12, 2017 8:04 AM

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Install MacOS on a usb bymistake

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