Hey guys, I have an interesting issue I am running into with the sig rig below (one VEGA has been removed while in RMA land and a RX 550 has been installed for HTPC duties in its place)...I am running the 18.9.1 drivers, but have used 5 or 6 drivers since the beginning of summer... My issue is this..I have a 1080P TV hooked up via a displayport to HDMI (active) adapter which is using the latest FF (and Chrome) build to display Amazon Prime shows...I can watch the shows in their decent 1080P quality with no issues at all. Any show on Prime. When I try to watch a movie, I get nothing but the shitty low bitrate 480P option and nothing else. No amount of fiddling will fix this on my end. So let's recap: 1. Amazon Prime Shows work fine. Movies do Not. 2. AMD driver and windows have HDMI link assurance "ON" and HDCP is reported and enabled. 3. TV is hooked up via a displayport to HDMI active adapter. Moving to HDMI port on the RX550 does not fix the issue. 4. Moving the HDMI cable to my primary VEGA (PCI-E 16X slot 1) does not make a difference. 5. Different browsers/versions do not make a difference. 6. Different AMD drivers do not make a difference. 7. Shows work fine in 1080P no matter the port/card used. 8. This happened before and after the Spring (1803 IIRC) Windows 10 update. 9. Netflix plays just fine (but their quality is terrible even with the 4K package). 10. Hulu works great (shows look better then Netflix as well!) Anyone have any ideas?