How to Fix Gigabyte X299 Designare Ex

By Catalina
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How to Fix Gigabyte X299 Designare Ex

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:

Hi guys,



I am building my first mackintosh with the following specs:

• Mobo: Gigabyte x299 Designare Ex
• CPU : intel i9 9980xe
• GPU: Sapphire Nitro+ Radeon RX 5700 XT
• RAM: G.Skill RipJaws 5 Series 3600MHz CL16
• Disks: 2 nvme Sabrent Rocket, 2 SSD Crucial MX500 and 1 old HDD Samsung
m
• Wifi/Bluetooth: Fenvi T919

I « succeed » to install Catalina with Opencore 0.6.1.
I fixed the audio layout and I’m working on platform stabilization as I have issues.
Known issues:
-...

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Author: Kawabaumga

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