How to Fix macOS Catalina on Gigabyte Z370 Gaming 7 + i7-8700k + AMD Vega 56 - OpenCore 0.6.7
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:
Greeting everyone,
First, I'd like to apologies in advance for any formatting mistakes as this is my first every post on Reddit. Now that out of the way, I really need your help.
Some background info: the combination of my system is listed on the title. I've been using Mojave on the same system follow multibeast guide (I know, it's not good. I'm trying to learn the OpenCore way)
Mojave is on a separate SATA SSD and has been disconnect during the installation. Catalina will be install on a brand new NVME SSD (WD SN750). I could not boot into the installation USB. And after some reading/ troubleshooting, I decided to upgrade motherboard BIOS from 7 to 15b, then disable/ enable certain settings in the BIOS to accept macOS. This however still didn't fix the problem. The error/ debug screen I got is in the comment section
My apologies for such a long post. I try to include as much as I could since I don't know which info is relevant
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