pixelated black

Hi everyone, first time here, I have a question... anyone else happens to have blurry and pixelated images on shadows or black scenes? I have a Newskill Icarus 24 165hz 1ms. Everything seems perfect while gaming, the problem is only when streaming, the part of the video that has shades of...

For some reason, when there are darker colors (mostly black) on the screen, they get very pixelated. My monitor is the Dell S2417DG with TN panels. I've tried adjusting gamma, colors, and brightness but none of that worked. Is it just the panel type or is something else...