I have the lasted version of MacOs IMac 20.1 and i've try with iMac 19 and it doesn't work. I think it's my installation on my USB stick wasn't good. i tried too with your EFI
When i reboot my pc for lunch my USB device on UEFI i can see "OC: can't be lunch" on black screen. I think i'm not good .... i'm not sur my SMBIOS was good or/and my USB device.
Bonjour, j'ai cette carte mère depuis un mois et je n'arrive pas à configurer l'uefi pour l'instalation, et je ne comprends pas non plus OpenCore. Vous êtes le seul forum avec cette carte merci d'avance pour l'aide :)
J'ai :
ASRock Z490 Xtreme 4
Intel I7 10700k
Sapphire 5700XT
2 x 16 Go de RAM
2 disques SSD de 250 Go
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