antes de tudo dê uma boa lida e veja alguns vídeos
https://www.olarila.com/topic/15040-opencore-vanilla-guide-2021-folder-for-chipsets-monterey-ready-desktop-and-notebook/
generate one good smbios with serial with configurator. use a correct smbios for ur hardware
go to library'preferences'systemconfiguration and delete all contents, rewboot and check if work