try to change sens in windows but mouse is also sleepy....so when i play i have a zero aim...and more my mouse is logitech mx 518 monitor samsung 214t...i no that flex play on 21 monitor(but it is crt and have a realy nice aim!)i use special program from logitech to control mouse sens in win and q3)thre)in program i can jange sens and accseleration...offcouse i can run q3 not in fullscreen mod but dont like it...