How to Fix Mac OS Big Sur installation on GIGABYTE Z-390 Pro

How to Fix Mac OS Big Sur installation on GIGABYTE Z-390 Pro

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:

Dear all,

I'm trying to install Mac OS Big Sur on the following configuration:
- Motherboard Gigabyte Z390 AORUS PRO
- Sound with ALC1220 codec
- CPU Intel Core i7-9700K (Coffee-Lake)
- SSD Samsung V-Nand SSD 860 EVO 500GB (plugged on SATA0)
- DDR 4 Viper by Patriot 32GB (2 x 16GB) PC4-24000 3000MHz
- Wireless Network Adapter Fenvi FV-T919 (with Bluetooth) compatible with macOS
- USB stick Sandisk USB 3.0 32GB (contains mac OS Big Sur installer and generated EFI)

I boot on my USB...

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Author: arnaud2