My aorus AD27QD chage to 120hz and YCBCR Color

[krlos1823]

Hi i have two monitors one is the aorus AD27QD  and the other is a samsung c24fg70 both to displayport to a strix 2080ti, sometimes my main display (aorus AD27QD) change to 120hz and YCBCR Color i need to disconnect the monitor to get batck to 144hz and rgb color, i have mi gpu conected to a PCI-E cable extensor because a i use a vertical gpu mount, also i use gsync on my main display, the error happens when some games open or when i turn of and on back the computer, i get noticed because the image looks a little pixelated, sorry for my bad english i live in mexico