[gotham_x]

Thanks anyway, my current TV, ( Dynamic Range RGB ) door 3 settings ; Auto , Limited and Full , by made test (madVR) PC levels (0-255) -> (GPU) Full Range RGB 0-255 -> (TV) Output as RGB 0-255) on TV I set ( Dynamic Range RGB ) Full , image that is returned is Grey (gray black) if is as I think , setting Full is for force there source , in this case there GPU. I could be be wrong.

TV currently is set on AUTO.