Question weird pixels after changing into fullscreen mode

Mar 15, 2021
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So basically after i change the setting and go into fullscreen mode my 2 top right pixels displays wrong colors, the pixels aren t stuck or dead, they just shows wrong colors but they are "alive" when i turn off the game and then restart my monitor the pixels are working properly.
Next thing is that everything is working fine while using hdmi cable but the problem appears while using displayport.
I have acer nitro xv242yp and my gpu is radeon rx 6600xt
 

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