Boot Camp Assistant has encountered a problem An internal error has occurred.

Hi, I'm trying to install Windows 10 through Boot Camp, but i keep getting this issue right from the beginning.


Boot Camp Assistant has encountered a problem > An internal error has occurred.


I'm using an iMac Retina 4k, 21,5", 2017, with Catalina 10.15.4


I saw in another post that some terminal outputs would be helpful. Please see below.


Kind regards



iMac Line (2012 and Later)

Posted on May 25, 2020 12:51 PM

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Posted on May 25, 2020 4:01 PM

You are supposed to have a Fusion drive, but you do not. If you have a backup of your current macOS installation, then look at How to fix a split Fusion Drive - Apple Support. If the steps do not work, we can rebuild the Fusion drive manually.

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May 25, 2020 4:01 PM in response to rgordilho85

You are supposed to have a Fusion drive, but you do not. If you have a backup of your current macOS installation, then look at How to fix a split Fusion Drive - Apple Support. If the steps do not work, we can rebuild the Fusion drive manually.

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Boot Camp Assistant has encountered a problem An internal error has occurred.

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