lg 27ul500p calibration instrument situation

as I hope you’ll be able to see within the footage, I set all the things because the calibration instrument's pointers say: colors to PC rbg and excessive on the monitor, color temp to medium, black enhancement to 0, DFC off, brightness to excessive, however I nonetheless can not see the attention. I can see it if I swap to eight bit color depth and normal color area however am I gonna lose color depth this fashion? and, this fashion I can not make the closed the to vanish, making all this ineffective. I'm utilizing hdr 10 and 4k