Thanks for this! But I still can't get HDMI sound. I used Integrated Graphics, and not 4K monitor. Is that same? I appreciate if the whole EFI folder can be uploaded.
I will check all my files. Thanks!This is my 10.15.2 install connected to a LG TV. HDMI audio works if you follow the guide and use the provided files. Note that you can't control the volume of HDMI audio via your hack. Use the controls on your remote or the monitor itself. I'm connected to a 1080p monitor and it works. Adapting DP to HDMI via a cable.
BTW which 5K monitor did you end up going with and did it work with the WX4100 ?
Ended up getting the Dell UP2715K instead.
Based on a comment I found from @skittlebrau, I added the agdpmod=pikera boot flag and it worked like a charm with the 2DP connections.
Glad to hear it worked well for you.
Funnily enough, my Dell UP2715K is much more reliable in macOS than in Windows.
There's something about AMD's Windows drivers that causes problems when certain port combinations are used and once in a while you'll get screen-splitting issues which require a power cycle. NVIDIA GPUs don't seem to have this problem in Windows.
This is my 10.15.2 install connected to a LG TV. HDMI audio works if you follow the guide and use the provided files. Note that you can't control the volume of HDMI audio via your hack. Use the controls on your remote or the monitor itself. I'm connected to a 1080p monitor and it works. Adapting DP to HDMI via a cable.
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Unless you like headaches and frustration I'd suggest keeping windows on its own separate PC.I have a separate SSD with a Win10 Pro install, but I haven't even started the process of considering how to dual boot.