Ventura stuck on Thinkpad X250 halfway trough on first boot after install

I recently bought an used Thinkpad X250 and now i tried to install MacOS Ventura on it using this guide:
https://www.youtube.com/watch?v=weoohMlGyMo
I followed all the steps except using Ventura instead of Moneterey of course, i also used the following EFI:
https://github.com/zamkara/Lenovo-Thinkpad-X250-Hackintosh/releases

I flashed the image onto it and booted it after changing BIOS-settings according to the github, but it's always stuck halfway trough on first boot. It boots into OpenCore and then stops at the half bar with the apple logo showing. Please help!