Skip to content. | Skip to navigation

Personal tools


You are here: Home / Members / jhb / fixing the trackpoint on ubuntu

fixing the trackpoint on ubuntu

by Jörg Baach last modified Aug 26, 2013 11:29 AM
The trackpoint acts jumpy (again). How can I fix it?

Combining advice from



had me create the following file in /usr/share/X11/xorg.conf.d/50-thinkpad-touchpad.conf:

Section "InputClass"
Identifier "touchpad"
MatchProduct "TPPS/2 IBM TrackPoint|DualPoint Stick|Synaptics Inc. Composite TouchPad / TrackPoint|ThinkPad USB Keyboard with TrackPoint|USB Trackpoint pointing device|Composite TouchPad / TrackPoint"
Option "MinSpeed" "1"
Option "MaxSpeed" "1"
# tweak the X-server pointer acceleration
Option "AccelerationProfile" "2"
Option "AdaptiveDeceleration" "1000"
Option "ConstantDeceleration" "16"
Option "VelocityScale" "30"
Option "AccelerationNumerator" "30"
Option "AccelerationDenominator" "10"
Option "AccelerationThreshold" "10"

Section "InputClass"
Identifier "touchpad"
MatchProduct "Synaptics Inc. Composite TouchPad / TrackPoint (Stick)"
Driver "evdev"
Option "AccelerationProfile" "6"
Option "ConstantDeceleration" "12"
Option "VelocityScale" "30"
Add comment

You can add a comment by filling out the form below. Plain text formatting.

Question: What is 6 times 7?
Your answer: