Why is my game not reacting quickly to my mouse movements and why do I don't move smoothly in game its like my internet is lagging but its not

Suggestions
1

Suggest me what should I do.

2

lower mouse aceleration maybe? in control settings. Have you tried that?

3

Not yet. but thank you Ill try it.

4

Try that. the default aceleration its to high. I left some of it. but very small. i recomend not setting to 0 but very low

5

Post specs

6

do you have a youtube tab open? it lags for me if i have any youtube or video player on whlie playing.

if not then check your mouse sensitivity while aiming its very slow so i up my sensitivity.