How to Fix RYZENTOSH, Catalina 10.15.7, OpenCore 0.6.7 - [AMD R7 2700 - MSI B450 TOMAHAWK - GT 710]

By Ufuk Durgun
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How to Fix RYZENTOSH, Catalina 10.15.7, OpenCore 0.6.7 - [AMD R7 2700 - MSI B450 TOMAHAWK - GT 710]

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:

RYZENTOSH, Catalina 10.15.7, OpenCore 0.6.7 - [AMD R7 2700 - MSI B450 TOMAHAWK - GT 710]

Screenshot:

https://raw.githubusercontent.com/TonyPSR/RYZENTOSH-Catalina-MSI-B450/main/Screenshot.png

RYZENTOSH-Catalina

OpenCore Version: 0.6.7

macOS version: macOS 10.15.x Catalina

Specs

Component Detail
Processor AMD Ryzen 7 2700 8C/16T (non-X)
Motherboard MSI B450 TOMAHAWK MAX
Memory 16GB(8x2) Crucial Ballistix DDR4 3000 MHz
SSD Crucial BX500 120GB
iGPU None
Graphics Card GIGABYTE NVIDIA GeForce GT 710 2GB DDR3
Monitor HP 24es 1080p IPS (24inch)
Sound Card Realtek ALC892 Codec
LAN Realtek 8111H Gigabit LAN controller

For macOS Catalina, I used iMac14,2 SMBIOS.

What's working?

  • Almost everything
  • Full Hardware Acceleration
  • Audio (Speaker + Headphone)
  • Ethernet
  • External Devices
    • Webcam
    • Mic
    • USB flash drives

What's Not Working?

  • Applications using Intel Virtualization Technology
    • Android Emulators (use physical devices or Genymotion Android Emulator)
    • Docker Engine (there are workarounds but not recommended)
  • Sleep (Fix: Disable sleep in System Preferences)

Not Tested

  • iServices (Facetime, iMessage...)
  • Adobe Suite
  • Wi-Fi & Bluetooth dongles
  • USB 3.1

Important Links

  1. OpenCorePkg: https://github.com/acidanthera/OpenCorePkg
  2. GenSMBIOS: https://github.com/corpnewt/GenSMBIOS
  3. ProperTree: https://github.com/corpnewt/ProperTree
  4. MountEFI: https://github.com/corpnewt/MountEFI
  5. SSDTTime: https://github.com/corpnewt/SSDTTime
  6. AMD Power Gadget(optional): https://github.com/trulyspinach/SMCAMDProcessor/releases

​

I also tried macOS 11.1 Big Sur. It worked fine without any problems. But I'm currently using macOS Catalina for better stability and less OS feature updates. Dual-booting macOS along with Windows 10 and PopOS in separate SSDs.

If you have any queries, I would be happy to answer.

I'm also open to feedback and suggestions.

submitted by /u/tonypsr
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on 12:21:00 PM

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