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How do I individually change the horizontal and vertical acceleration of the cursor? I can scroll side-to-side in a single stroke on a 1600x900 monitor on my laptop, but I can never do that vertically. Furthermore, the touchpad seems to be too sensitive horizontally (I hold my index finger still, but the cursor subtly moves)... is this fixable?

I'm using a Synaptics touchpad.

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Having this same problem with an Apple Magic Trackpad and dual monitors in TwinView configuration at 3200x1600. Horizontal movements too sensitive compared to vertical ones; making a circle on the pad results in a wide horizontal oval movement on the screen. – rymo Jun 27 '11 at 20:05
up vote 4 down vote accepted

Solution for Ubuntu 11.04:

Add the options

Option "VertResolution" "75"
Option "HorizResolution" "75"

To the file /usr/share/X11/xorg.conf.d/50-synaptics.conf.

After doing that, mine looks like:

Section "InputClass"
    Identifier "touchpad catchall"
    Driver "synaptics"
    MatchIsTouchpad "on"
    MatchDevicePath "/dev/input/event*"
    Option "VertResolution" "75"
    Option "HorizResolution" "75"

Now log off and log back in, and it should be fine! :)

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That works for two screens for me! – Henrik Dec 15 '11 at 14:04
Are there any new solutions to this question? Say for Ubuntu 13.10? – TheRookierLearner Apr 18 '14 at 4:16
@TheRookierLearner: You could try to play around with settings by using the program xinput, maybe it'll work for you. – Mehrdad Apr 18 '14 at 4:39

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