GUIDE How to Enable Thunderbolt 3 Hotplug on macOS

[Evbarashka]

Your IOReg is corrupt. Use v2.1

 

[Evbarashka]

hm(((( dont open

 

[EliteMacx86]

hm(((( dont open

Disable any Thunderbolt related SSDT and then attach a new IOReg.

 

[Evbarashka]

Disable any Thunderbolt related SSDT and then attach a new IOReg

 

[EliteMacx86]

Incomplete file attached.

 

[Evbarashka]

iMac — STUDIO.ioreg

Посмотреть и скачать с Яндекс.Диска

disk.yandex.ru

 

[EliteMacx86]

iMac — STUDIO.ioreg

Посмотреть и скачать с Яндекс.Диска

disk.yandex.ru

Attch the PR files as described in post #1

 

[dimdom]

I got it working on my LG Gram 17z990!! The Thunderbolt 3 controller used in this laptop is an Alpine Ridge JHL6340. Everything seems to be working correctly including: hotplug, hotplug after waking from sleep, USB-C devices, power delivery over USB-C. I have only tested with my UA Apollo Twin X, so it is possible other devices do not work correctly. I am attaching my SSDT, and I will post the necessary BIOS settings below:

F2 to get into BIOS settings
Ctrl-Alt-F7 to enter advanced menu

Settings:

• Advanced
  • Intel Advanced Menu
    • Thunderbolt Configuration
      • Thunderbolt Boot Support => Pre-Boot ACL
      • Security Level => No Security

Note that on this laptop, any time the system powers off unexpectedly (force power off or kernel panic), you will have to re-enter these settings.

 

[EliteMacx86]

I have only tested with my UA Apollo Twin X, so it is possible other devices do not work correctly.

Looks like your post contradicts. You already mentioned that you have got it working, including HotPlug and USB Type-C. So, what do you mean by "it is possible other devices do not work correctly", do you test any other devices?

Note that on this laptop, any time the system powers off unexpectedly (force power off or kernel panic), you will have to re-enter these settings.

Do you mean the BIOS Settings?

 

[dimdom]

Looks like your post contradicts. You already mentioned that you have got it working, including HotPlug and USB Type-C. So, what do you mean by "it is possible other devices do not work correctly", do you test any other devices?

Sorry for the confusion. I meant the Apollo Twin X is the only Thunderbolt 3 device I have tested (I do not own any others). I have tested multiple USB-C devices and they all work fine (iPhone, USB drive, etc.).

Do you mean the BIOS Settings?

Yes, this is referring to the BIOS settings.