How to Fix Big Sur 11.3.1 success (ASRock B460M Pro4 | Core i5 10400 | UHD 630 | OpenCore 0.6.9)

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. Verify your network controller model (Intel, Broadcom, Realtek).
2. Ensure the correct kext (e.g., AirportItlwm or BrcmPatchRAM) is loaded in your config.
3. Clear network interfaces and reset NVRAM if changes don't apply.

Verification

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

Original Question:

​ Big Surrrrrrr ​ Board: AsRock B460M Pro4 CPU: Intel® Core™ i5-10400 VGA: Intel UHD Graphics 630 RAM: Team Vulcan Z DDR4 8GB 2666MHz SSD: Western Digital Blue 500GB SSD WDS500G2B0A Works Sleep Wake Audio Ethernet DisplayPort + HDMI All USB ports (Full 3.0 + 2.0 + type C) Not Working iMessage - Whenever I try to sign in, it just logs me back out FaceTime - Whenever I try to sign in, it just logs me back out A tree view of my EFI EFI tree More details - GitHub repo submitted by /u/ahadrox [link] [comments]