Problem with USB, Shutting down/sleep and Audio with HDMI on OC 0.6.8

Try with this.
 

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Disable the HDMIAudio kext and reboot then send me an IOReg.
 
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There's no HDAU loaded there. Try with this. I've adapted an SSDT to hopefully work on your system.
 

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Shaneee said:
There's no HDAU loaded there. Try with this. I've adapted an SSDT to hopefully work on your system.
Click to expand...
Unfortunately still no luck, can’t see hdmi as an audio output
 
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Shaneee said:
I see the issue. Just realised you are using Big Sur lol. There's an issue with VoodooHDA on Big Sur. Here's a work around from the developer, https://www.insanelymac.com/forum/topic/314406-voodoohda-297/page/20/?tab=comments#comment-2756841
Click to expand...
I've followed the steps, but still no HDMI Audio output. the only difference is that the kext is loaded from system instead from EFI. I want to underline that the audio was already working, but only using the standard green jack of the pc
 
ca122 said:
I've followed the steps, but still no HDMI Audio output. the only difference is that the kext is loaded from system instead from EFI. I want to underline that the audio was already working, but only using the standard green jack of the pc
Click to expand...
Update: It says bad code signature
 
Try with this version. Use the method Slice suggested and remove it from your EFI.
 

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Shaneee said:
Try with this version. Use the method Slice suggested and remove it from your EFI.
Click to expand...
Still no luck, I guess it’s because I’m using a cable which convert DVI to HDMI
 
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