How to Fix Catalina stuck on patching igpu
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
- Check if your GPU requires WhateverGreen or specific boot-args (e.g., agdpmod=pikera).
- Ensure Metal acceleration is fully supported for your macOS version.
- Update Lilu and WhateverGreen to the latest versions.
Verification
- Reboot and verify if the functionality is restored and stable under typical usage.
Original Question:
Morning everyone! I’m trying to installl Catalina using opencore since I gave up on Big sur. I’m stuck in an error (giving me no signal on screen after it) and I can’t get passed it. I’ve been told I need to patch my framebuffer. I’ve tried using dortania’s guide but it seems I’ve failed. Problem persists. Can please someone help me? I’m posting below links for error screen, my efi zip and my system setup from hwinfo. For any other question please ask!
https://easyupload.io/z1oc94 efi
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