So, I had a old ass AMD card that saw the Tv just fine but now that i updated my video card to a 2080 Nvidia card i get nothing. I have expensive Hdmi cables I have tried connecting to all 4 ports on the 2018 one connect box tried all the display ports with my expensive display port 1.4 to hdmi converter cable updated the Tv software what else can i try i mean I am fucked as i do not have a monitor the TV is my monitor.