Post Install - l1n-dev/Dell-Inspiron-14-5490-OpenCore GitHub Wiki

So you installed macOS, and you want to know what to do next with your hack. If so, this article is for you!

Boot from main drive

=> Download MountEFI.
=> Unzip MountEFI and run the .command file.
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=> Mount your disk's EFI partition.
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=> Enter your password to mount the disk. image
=> Quit MountEFI.
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=> Double-check in Finder if the EFI was mounted.
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=> Copy over the EFI from your USB to the EFI partition.
=> Eject the EFI partition and reboot.
=> Enjoy!

Notes for MountEFI

Sometimes you will see items like:

macOS SSD

macOS SSD - Data

That is because Apple split the volume into User data and System data.

Kinda like some Linux & BSD distros splitting /home and the other folders.