Terrible Banding

Avon Pro AG276QZD 2k 240hz.

Have tried with and without HDR, tried different color bit depths and changed so many different settings and can’t figure out how to get rid of this. Happens when watching anything on any platform.

Avon Pro AG276QZD 2k 240hz.

Have tried with and without HDR, tried different color bit depths and changed so many different settings and can’t figure out how to get rid of this. Happens when watching anything on any platform.