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Running Catalina installer onto a disk with a pre-built EFI folder.

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Mar 18, 2020
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93
Motherboard
ASRock W480 Creator
CPU
i9-10850K
Graphics
GT 710
Mac
  1. MacBook Pro
Is it possible to run the Catalina installer (from a USB drive or whatever) to install OS X onto a drive with a pre-built, fully formatted EFI folder? In other words, does the installer do anything to the EFI volume as it does its thing or is it simply adding OS X and related files into the (blank) visible volume?
 
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