I mean turn off UHD color. Every set has an option that has to be turned on to get all the boxes to check when you go into 4k advanced settings in the xbox. Not sure what yours is called, but I mean turn that option on and off and see how it effect things.
I think you may be thinking I have an HDR TV? I do not. So I am not getting all of those options checked off no matter what I do.
And the only thing I see that is remotely close on my non HDR TV to what you are talking about is Color Space, and pretty sure that is not it, the only options I have there are YCbCr and RBG.
I just do not think my set has the setting you are talking about. Again though, I do not have an HDR set.
Also just a few replies to your other original points.
The only HDMI port on my TV that will allow me to enable 4K on the Slim is 5, the one that is 60hz. The other ones I get the message from the Slim about 4K not being supported on my Set.
As far as cables, I
just purchased these last week and I am using them plus the cable that is included with the Slim. So I am pretty sure it is not the cables.
So really I think the Slim just does not like my older 4K set that it should like but for whatever reason it does not. All signs point to this.
And just to share again in case you missed it when I shared earlier in the thread, I saw this same exact issue (ironically enough it was with a totally different TV and receiver) about 2 years ago while I was part of the Dashboard Preview Program for the One. It was literally the same issue. I enrolled out of the program and used the public version, problem immediately solved.
So based on my experience, there is an issue with the One with certain TV's. And I believe from Googling the issue and just seeing a few people on here saying they also have it, it is not because of cables or settings or anything else. There is an issue with the One Slim.
So now I am back to 1080p and no more blackout video issue. But it also means no more 4k. Which is just disappointing as it is the reason I traded in my launch One and 3DS XL to specifically pick up the Slim. I could have kept both and been in the same boat I am now minus a bigger HD and a few more FPS in some games.
Do not get me wrong, I absolutely appreciate the help and trying to help me solve this issue, but at this point what I whole heartedly believe is there is nothing to solve. MS needs to fix it in an update.