How to Fix Can't install Big Sur - Have tried 2 different methods

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How to Fix Can't install Big Sur - Have tried 2 different methods

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. Review your system logs and verbose boot output for specific error codes.
  2. Ensure your OpenCore and kexts are up to date.
  3. Compare your configuration with the official Dortania guidelines.

Verification

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

Original Question:

I've been trying to install Big Sur for the past week and have got stuck and cannot get it working.

I've got a Z490 Vision D Board as well as i7 10700 CPU.

I've followed the Open Core guide as well as a YouTube video but can't seem to get a working EFI.

I've tried both methods but I'm not sure which one is closer to working.

The first one gets so far and then there's a drawing of an Apple Mouse that flashes up.

The second one gets stuck on a black screen

I've attached the logs and EFI...

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Author: drog1998

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