How to Fix Cannot boot opencore for Big Sur, Haswell PC, integrated graphics only. Was bootable on other PC with same specs but there was NVIDIA GeForce 710 on the other one.

By Ufuk Durgun
0

How to Fix Cannot boot opencore for Big Sur, Haswell PC, integrated graphics only. Was bootable on other PC with same specs but there was NVIDIA GeForce 710 on the other one.

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:

submitted by /u/Nervous-Inspector-14
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