Question Ac Odyssey looks blurry in 2k ultra.

Nov 4, 2020
Ac Odyssey suddenly looks blurry on 2k ultra high settings. I have played this game for a while and there were no problems, the graphics were smooth and amazing. Yesterday I opened the game and the graphics were blurry and bad. I checked the graphics settings and they were on ultra high, the resolution was on 2k, exactly as it should. I turned MFAA off from Nvidia control panel but nothing happend. If I turn the resolution on 4k the graphics look like they should but I get 20-28 FPS. What I observed is that if I enter photo mode (in 2k) and zoom in, the graphics look good. I installed reshade, the graphics look a little better but they are still bad. I don't know what to do anymore. me.
My configuration:
Gtx 1660 super 6gb
Ryzen 5 3600
Msi b450 a pro max 2x8gb g skill aegis
1tb SSD
600w PSU (I forgot the model and brand)
Edit: I reinstalled the drivers too, no success.
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