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problem with resetting MacBook Air to factory settings

I'm in the process of resetting my 2019 MacBook Air to its factory settings. After I erased my data, I was going to reinstall macOS Big Sur, however, this appears: Failed to download required installer asset. (UpdateBrain.zip). Is there a way to get around this so I can reinstall macOS Big Sur and finish resetting it to its factory settings? Thanks

Posted on Dec 8, 2020 9:01 AM

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Posted on Dec 8, 2020 2:55 PM

You can enter ➔ macOS Recovery Mode and reinstall the macOS and see if that solves it. Not sure whether you were using this approach.


Axel F.

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problem with resetting MacBook Air to factory settings

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