nightwalkerEsetleg próbáld meg így : https://wiki.archlinux.org/index.php?title=Mouse_acceleration&action=edit&oldid=232333
Én így használom :
Section "InputClass"
Identifier "generic mouse"
# set the following to 1 1 0 respectively to disable acceleration.
Option "AccelerationNumerator" "1"
Option "AccelerationDenominator" "1"
Option "AccelerationThreshold" "0"
# some curved deceleration
# Option "AdaptiveDeceleration" "2"
# linear deceleration (mouse speed reduction)
Option "ConstantDeceleration" "2"
Option "AccelerationProfile" "-1"
Option "AccelerationScheme" "none"
EndSection