Error 2100U

Hello, I want to reinstall an old Macbook. I have tried it with poweron and alt, login into Wifi and try to install. Then I got these message:


apple.com/support

2100U


What do these error message mean? I can't find it on the officiel support sites.


Thank you.

Regards

MacBook

Posted on May 7, 2021 6:24 AM

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Question marked as Top-ranking reply

Posted on May 7, 2021 5:21 PM

It usually mean this is no Internet Connection. How to reinstall macOS

Intel processor

Make sure that your Mac has a connection to the internet. Then turn on your Mac and immediately press and hold Command (⌘)-R until you see an Apple logo or other image.


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Error 2100U

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