I think that I figured out the major issues I was having with eARC had to do with the Dolby Access/Dolby for home theater Windows app. Once I uninstalled it and set my sound device to 7.1, things seemed pretty stable...not perfect, usable. With eARC switched on and the Dolby Atmos for home theater spatial setup configured, things were so bad they they required a factory reset on the tv. (or unplug and and reconfigure all the hdmi ports because they'd all go non-functional and the config would be lost)
I also got my displayport to hdmi adapter this morning and that's working perfectly to connect directly into my receiver...this is what I'll be sticking with and hopefully eARC dies a quick death before I consider upgrading things again.
I also got my displayport to hdmi adapter this morning and that's working perfectly to connect directly into my receiver...this is what I'll be sticking with and hopefully eARC dies a quick death before I consider upgrading things again.