How to Fix Black screen half way through initial install of Catalina from USB

How to Fix Black screen half way through initial install of Catalina from USB

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 following Caseys Gigabyte Z490 vision D build and have run into a problem. I made the usb installer correctly I think but when I choose install mac os from opencore , I get the apple symbol and progress bar very slowly and then just goes to black screen. I am using IGPU. As I was following the Bios settings , there was one that was unavailable to me . See below.

Also- I started this build to replace my old build as I needed Thunderbolt going forward. I also wondered about the...

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Author: deckyruby