Audio - HDMI Audio AppleHDA [Guide]

[ole]

1050ti, make and model?
Attach IOReg/HDMI display connected

Gigabyte GTX 1050 Ti OC 4g Rev 1.0

IOReg/HDMI display connected attached

 

[toleda]

Gigabyte GTX 1050 Ti

Last option, DVI2HDMI adapter.
How many of the HDMI ports support video in macOS?

 

[jussinlee]

Reason: PCI multiplexer
Normaly, dsdt edits required, see Post #680
Try: remove SSDT-HDMI-NVIDIA-PEG0.aml, install attached ssdt
Note, untested; backup/emergency/installer boot alternative mandatory
Reply with new files

Thanks!

See attached origin DSDT. Where are what should I add?

 

[ole]

Last option, DVI2HDMI adapter.

I'll try and get my hands on one of those. I'll update.

How many of the HDMI ports support video in macOS?

I have just 1 HDMI port on this card (along with 1 DVI and 1 DP)

 

[toleda]

what should I add?

As noted, see Post #680
2nd request, try the attached ssdt (it may eliminate the need for dsdt edits)

 

[toleda]

have just 1 HDMI port

An experiment:
Boot macOS with HDMI connected, at the desktop unplug and replug HDMI, reply with new IOReg.

 

[jussinlee]

As noted, see Post #680
2nd request, try the attached ssdt (it may eliminate the need for dsdt edits)

Tried new ssdt and restarted with no success.

I've searched for PEG0 in my origin DDST but post #680 looks different so not sure where to add * lines in my DDST.

 

[toleda]

Tried new ssdt and restarted with no success.

Files??????

I've searched for PEG0

Attach acpi tables, maciASL/File/Export Tableset ...

 

[jussinlee]

Files??????

Attach acpi tables, maciASL/File/Export Tableset ...

See attached.

 

[toleda]

attached

Last request, attach an IOReg with SSDT-HDMI-NVIDIA-PEG0-PLX.aml installed

Your dsdt/Device PEG0 is exactly the same as Post #680.