How to Fix Big Sur Instal - i7 10700k - Z490 Vision D - Rx 580 (Opencore)

By Freirburro
0

How to Fix Big Sur Instal - i7 10700k - Z490 Vision D - Rx 580 (Opencore)

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 Sur Instal - i7 10700k - Z490 Vision D - Rx 580 (Opencore)

Recently got Big Sur installed and working for the most part on my new build! Dual boot from open core is working as well. Some issues with sleep/wake/screensaver and unsure about my USB layout and Power-management (Any help to resolve these issues is greatly appreciated)

Hardware:
CPU: i7 10700k
GPU: RX580
RAM: 32GB 3200Mhz Cosair
M.2 SSD: WD BLACK750 500 GB (Big Sur)
M.2 SSD: WD Blue 250GB (Windows 10)
Motherboard/Laptop Make and Model: Gigabyte z490 Vision D
Audio Codec: Realtek ALC1220-VB (Using a Focusrite Scarlett for main audio)
Wifi/BT Card: WTXUP fenvi T919 Wireless Card with BCM94360CD
Touchpad and touch display devices: N/A
Followed The Official Dortania Guide and SchmockLord Guide/EFI

Whats Working:
- Sidecar
- iMessage
- Handoff
- Bluetooth and Wifi

What Not working:
- Sleep/Wake (Still really struggling to figure this out)
- Not sure my USB ports are mapped 100% followed SchmockLords Guide and used his USB layout.
- Screen saver causes a kernel Panic and forces a restart.
- Can't identify if power-management is working or not.
- BIOS recognizes CPU OC but it does not show in OSX

https://preview.redd.it/d68zk1s8fqk61.png?width=1084&format=png&auto=webp&s=56eb64c7c952d719a200d6a0c69dc76cb4395a25

https://preview.redd.it/nm8hm1s8fqk61.png?width=751&format=png&auto=webp&s=33d477f5a72af53ff3e212c48fd62ac423caa38c

https://preview.redd.it/n3t6s1s8fqk61.png?width=827&format=png&auto=webp&s=19e0279d5ea5d2ec29abfd73d9f51669ad227b10

https://preview.redd.it/xxl0p1s8fqk61.png?width=827&format=png&auto=webp&s=e4fc9015cdd9e84f7cbe5a63b1f1c7ae283a36c3

submitted by /u/VapourRose
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