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Audio - HDMI Audio AppleHDA [Guide]

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Both show Nvidia graphics, however, no framebuffer, no display.
Unlikely macOS supports the LVDS switch.

On another forum, someone claimed to have managed to use dGPU instead of iGPU in Sierra 10.12 on a similar laptop;MSI GS43VR 7RE, mine is;MSI GE72VR 7RF it must be wrong since the only thing I've read here is that it doesn't work ?!

As a last attempt, I have installed latest drivers from NVIDIA and turned on my dGPU (removed SSDT) IOReg attached just to be sure.


In Terminal it looked more promising :


audio_cloverHDMI-120_v1.0d\ 2.command


Agreement

The audio_cloverHDMI script is for personal use only. Do not distribute

the patch, any or all of the files for any reason without permission.

The audio_cloverHDMI script is provided as is and without any warranty.


File: audio_cloverHDMI-120.command_v1.0d

TestDrive Mode

No HDMI audio codec(s) detected, continue (y/n): y

HDMI audio codec(s)

Device ID: 0x1b590000 not supported

rm: /tmp/HDEF.txt: No such file or directory

Install AMD/Nvidia HDMI audio (y/n): y

Nvidia discrete graphics card 10de1c20 found on PEG0@1/PEGP@0

Nvidia HDMI audio is not enabled

Install Nvidia HDMI audio ssdt (y/n): y

Download SSDT-HDMI-NVIDIA-PEG0 ...

Password:

% Total % Received % Xferd Average Speed Time Time Time Current

Dload Upload Total Spent Left Speed

100 44888 100 44888 0 0 76813 0 --:--:-- --:--:-- --:--:-- 76863

Nvidia HDMI audio ssdt copied to Desktop

To save a Copy of this Terminal session: Terminal/Shell/Export Text As ...
 

Attachments

  • last attempt IOReg.ioreg
    7.1 MB · Views: 92
Last edited:
Why?
Install the ssdt, restart, reply with new IOReg.


File: audio_cloverHDMI-120.command_v1.0d

Release Mode

EFI partition is mounted

No HDMI audio codec(s) detected, continue (y/n): y

HDMI audio codec(s)

Device ID: 0x1b590000 not supported

rm: /tmp/HDEF.txt: No such file or directory

Install AMD/Nvidia HDMI audio (y/n): y

Nvidia discrete graphics card 10de1c20 found on PEG0@1/GFX0@0

Nvidia HDMI audio is enabled

DPCIManager:Status.png
 

Attachments

  • IOReg.ioreg
    4.9 MB · Views: 83
Last edited:
No display connected to Nvidia graphics
HDMI audio codec only shows in IOReg #1 (above)

Thank you very much for all the troubleshooting:), I give up HDMI on this machine:beachball:
 
Hey, when trying to run this script I get the following output:

Code:
Last login: Wed Sep 13 20:49:21 on ttys000
Fruitys-iMac:~ fruityfaiz$ /Users/fruityfaiz/Downloads/audio_cloverHDMI-120_v1.0d.command ; exit;
Agreement
The audio_cloverHDMI script is for personal use only. Do not distribute
the patch, any or all of the files for any reason without permission.
The audio_cloverHDMI script is provided as is and without any warranty.
File: audio_cloverHDMI-120.command_v1.0d
Release Mode
EFI partition is mounted
HDMI audio codec(s)
Intel:    0x8086280b
Device ID: 0x12590000 not supported
rm: /tmp/HDEF.txt: No such file or directory
AMD/Nvidia not found
No system files were changed
To save a Copy of this Terminal session: Terminal/Shell/Export Text As ...
logout
Saving session...
...copying shared history...
...saving history...truncating history files...
...completed.

[Process completed]

I have an intel i5 7500 with HD630

Thank you!
 
Hey, see Post #1/Problem Reporting; attach all requested files
  1. Cannot run script, get error stated in previous post.
  2. macOS 10.12.6/ASROCK B250 PRO4/Intel i5 7500k/HD630
  3. cloverHDMI terminal output (Shell/Export Text As ...)
Thank you!
 
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