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Unable to reset password via recovery mode

I've recently inherited a former colleague's MacBook Pro. Unfortunately the machine is password protected and therefore inaccessible. I've tried to reset the password via the recovery mode. After entering the new password, it gives me an error message "Authentication server could not be contacted". And that's as far as I can go. Please could someone explain to me what this message means and perhaps suggest a way I might be able to overcome this obstacle.

Many thanks,

Posted on Jun 23, 2020 8:57 AM

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Question marked as Apple recommended

You need to perform a clean install of macOS by first erasing the whole physical drive before reinstalling macOS.

https://support.apple.com/en-us/HT208496


Here is an Apple article on what the previous owner should have done before selling you the laptop:

https://support.apple.com/en-us/HT201065


Posted on Jun 23, 2020 2:01 PM

1 reply

Unable to reset password via recovery mode

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