Question Monitor looks weird after restarting the pc

Jan 6, 2023
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I have 2 monitors, one of them is a 2k 27'' 144hz, the other is 1080p 25'' 75hz, both from aoc and a GTX 1660 Super. I bought one of the monitors today, everything was normal. After I restarted my pc everything looks blurry/pixelated on the new monitor. Tried to change the resolution and scale, everything is set to recomanded. I used it with hdmi cable, tried with dp cable, tried on diferent computers, still the same blurry/pixelated look.
 
It is not hdr, and i tried that, i have no problem with texts, that seems fine. For example, some shortcuts have like a borders around them, or shades, i don't really know how to describe it, some are blurry, some pixelated. The only "fix" that i found so far was to change DSR factors and smoothness from nvidia control panel. It looks a lot better, but not how it was before.
 
It could be a bad monitor if its on multiple PC
https://www.fixya.com/support/t19461407-blurry_pixel_display_aoc_monitors

might help? https://eu.aoc.com/en/news/how-to-calibrate-your-display

does the refresh rate you run screen at make any difference?