Hi folks, my setup have a Samsung MU6100 TV, a PS4 Pro, a Chromecast Ultra and a Home Teather with 4K HDR Passtrougth. My PS4 connect to HT, the HT connect to TV. The Chromecast is direct connected to TV. The blackscreen problem ocurs every time i play in 4K HDR. After many tests, the solution was power down my Chromecast Ultra every time before i was play games in 4K HDR. After turnoff Chromecast Ultra, the blackscreen no occured even once. I doing that for months and have the same consistent behaviour, no blackscreens at all.
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