I used this guide on my Arrandale Laptop to install Big Sur. Everything went smoothly except graphics acceleration. When I installed the iGPU drivers (it detected the igpu without an issue) using OCLP (that’s mentioned in the guide) it hang on this error upon boot. I tried resetting my NVRAM but no luck. https://github.com/jtaczanowski/ThinkPad-X201-Arrandale-macOS-OpenCore
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