CSGO problem which I cant fix, help please! sens problem

Hello! For 3 weeks Im trying to solve problem with my mouse. I played 400 dpi 2,5 sens. Now i have to play 400 dpi 8 sens( its simmilar to old sens but i cant spray so good, my flickshots are worse.). I tried -reinstall os -reinstall csgo -commands in csgo -other mouse -other mousepad Im starting to go crazy please help me.
And same problem here: