How to Fix Blackscreen OC 0.7.6, ASUS Z490

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How to Fix Blackscreen OC 0.7.6, ASUS Z490

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. Boot with -v keepsyms=1 debug=0x100 to identify the exact kernel panic.
  2. Validate your config.plist using ocvalidate.
  3. Ensure your EFI matches the Dortania guide specifications for your CPU generation.

Verification

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

Original Question:

Hi.
I'm trying to install Big Sur on my PC (see account hardware). I use OpenCore 0.7.6 and the Dortania guide for desktop Comet Lake config.
I select Install macOS Big Sur (external) in OC menu. When the Apple logo is going to appear the screen gets black (no video signal).

What I tried:
1) AAPL,ig-platform-id 07009B3E and 00009B3E
2) BigSur and Catalina
3) iMac20,1 and iMac19,1

Attachments:
- EFI folder (removed)
- last loading screen

Please, help. Thanks.

P.S. It...

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Author: MagTux

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