But then you plug in your external monitor via HDMI. Nothing. Or maybe the video works, but the audio is missing. Perhaps the screen wakes up to a pink tint or refuses to go past 1080p.
Create a custom SSDT to set PP_PhmSoftPowerPlayTable . hackintosh hdmi fix
Introduction: The Final Hurdle
agdpmod=pikera (For Navi/RDNA AMD GPUs like 5000/6000 series) -radcodec (For older AMD GPUs to force HDMI audio) But then you plug in your external monitor via HDMI