Wow that's just stupid. This is a crappy workaround, but what happens if you enable display mirroring for your external display? It kills your dual display setu

Wow that's just stupid. This is a crappy workaround, but what happens if you enable display mirroring for your external display? It kills your dual display setup while watching, but it may enable HD streaming for you. I have not tested it, just a theory. YMMV.