How to Fix 10gen Comet Lake i9 10850K iGPU with Mojave (or High Sierra).

By Mojave

How to Fix 10gen Comet Lake i9 10850K iGPU with Mojave (or High Sierra).

This mini-guide provides a structural approach to troubleshoot and fix the issue.

Prerequisites

  • Confirm your hardware specifications (CPU, GPU, Motherboard).
  • Ensure you have a bootable recovery USB and backup your EFI.

Fix Steps

  1. Check if your GPU requires WhateverGreen or specific boot-args (e.g., agdpmod=pikera).
  2. Ensure Metal acceleration is fully supported for your macOS version.
  3. Update Lilu and WhateverGreen to the latest versions.

Verification

  • Reboot and verify if the functionality is restored and stable under typical usage.

Original Question:

I am running Mojave on a ASUS Z490 with an i9 10850K (Comet Lake) and the iGPU (no dGPU)
Since Mojave is only supported up to late 2019 imacs (Coffe Lake or CFL) the iGPU device-id of the 10850K (0x 9BC5) is not supported by Mojave because its COMET Lake or CML .
Whatevergreen claims that it natively supports...

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Author: Kentsoon

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