OK I erased my copy of macOS High Sierra installer and re-downloaded it from the App store (thank you for sending me the link).
I also ejected the external hard drive (because of item 19 of the checklist in the post above).
And I did another attempt with:
- GUID formatting
- legacy boot
- ATI...
Hello,
I'm trying, without success, to create a USB drive to install MacOS High Sierra.
For this I'm using Unibeast 8.4.0 on a Mac Mini 2011 Intel core i5 running High Sierra itself.
Unibeast does not finish, it does not go further than "installing bootloader" or sometimes even "copying...
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