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pet125 Author

Level 1

4 points

Can't install mac OS

I erased my macbook pro and tried to install the mac OS but get an error message 'PKDownloadError8'.

MacBook Pro 16″, macOS 10.15

Posted on Jun 11, 2021 5:21 PM

Top-ranking reply

Axel Foley

Level 10

149,502 points

Posted on Jun 11, 2021 6:14 PM

First solution:

It is reported that this error occurs during the installation of macOS Catalina if the Internet connection is interrupted or disconnected.

Make sure that the Mac has an active wi-fi or ethernet connection and that the Internet works as expected, and then try to install macOS Catalina again.

Second solution

The Recovery Mode installer of Catalina appears to not be able to properly partition the drive.

Install High Sierra or earlier macOS from Recovery Mode and then upgrade to Catalina or install Catalina (or High Sierra) from a bootable drive.

Source: Apple.Stackexchange.com

Axel F.

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Can't install mac OS

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