SIKAI Optical Fiber 8K Cable Compatible with LG TV, Samsung QLED TV, Apple TV, VIZIO TV, Roku, 48Gbps Ultra High Speed 8K 4K 4320P UHD HDR High-Definition Multimedia Interface Cable (24 Feet)

if you are experiencing screen glitches such as flickering or blackouts when trying to connect an rtx 30 series card say the 3080 or 3090 to output 4k 820hz with vrr or hdr to an hdmi 2.1 television such as this samsung q9t then a better hdmi 2.1 cable might be the solution [Music] hello everyone vicente from hdtvtest here so last night i was trying to get 4k 820hz with vr and hdr to be working from this samsung q9t qled television from an rtx 3090 card founder's edition that nvidia has been kind enough to loan me i think i spent one hour and two minutes in total but because of the clocks going back it only took me two minutes which is par for the course really so what i'm going to try and demonstrate in this video is how to troubleshoot this kind of issue go through the problem step by step to resolve this issue so that you can actually get 4k at 120hz with vrr with hdr on your hdmi 2.