To get the UHD 770 working, you must modify your to trick macOS into thinking it is a supported 10th Gen Comet Lake iGPU. 1. Update DeviceProperties
Reports from community members on sites like Hackintosh Olarila indicate success using specific DeviceProperties in the config.plist .
Once spoofed, users report hardware acceleration and Metal support, making the OS usable for general tasks, though it may not reach the full raw performance potential seen in Windows. How to Configure UHD 770 Acceleration