Urgent HELP! Please Help

I m just upgrade my Monitor. Now using Samsung G9 Odessey 49inch monitor.

Issue: When I start share my screen or Partially share like a portion od my screen and do Record the color and recordings are like complete washout colors and its feel like it record so blur.
example like this: https://ibb.co/R47QHjh6
but when i screen short or when i do OBS the real color comes
like this https://ibb.co/1GyvkB3D

I dont use HDR at all.
other settings like this:
https://ibb.co/PvYdLv9Q
https://ibb.co/JRqDW5Fg

I dont know what to do. i change some settings and seen non of these work at all.
what to do?
I am teacher and my 90% work happen on Zoom meetings via screen share. Please help