Technical Issue black borders on any resolution and all but one resolution makes the game look like a 90s doom port

[SkrtIntrovert]

This is my first day on the game and i cant find anyone at all who can help or has the same problem, every other thread has solutions that dont work for me, please someone help.

 

[Aizencin]

which native resolution do you have in your screen and which resolution are you using in game?