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Level 1

4 points

Mac recovery issue

I use MacBook 2017 Pro.

I erase my mac and when I on it with command r. It start internet recovery which is fine, and then it later boot into recovery mode.

So when I try to install it tells me "installer information on the recovery server is damaged" .

I make research which I realize I have to change the date so I change the year back to 2019,18,17 and the new error is "untrustedcert ".

Which I make research and it says my time is not correct I tried all possible means and still unable to solve this.

Note: my mac use Monterey but when I want to reinstall os it tells me to install macos sierra.

Please anybody can help.

MacBook Pro 13″, macOS 12.2

Posted on Jun 24, 2022 1:42 AM

Top-ranking reply

Level 7

23,592 points

Posted on Jun 24, 2022 2:50 AM

This is the correct procedure to erase your drive and install your OS of choice: How to create a bootable installer for macOS - Apple Support

Do the applicable steps in order and do not skip any applicable steps.

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