It is disabled (greyed out) in Mouse and Touchpad settings. Edge scrolling works though :) Tried many solutions available online but couldn't succeed.
My touchpad is
SynPS/2 Synaptics TouchPad
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It can be enabled also using commands:
xinput --set-prop --type=int --format=32 "SynPS/2 Synaptics TouchPad" "Synaptics Two-Finger Pressure" 4
xinput --set-prop --type=int --format=32 "SynPS/2 Synaptics TouchPad" "Synaptics Two-Finger Width" 8
xinput --set-prop --type=int --format=8 "SynPS/2 Synaptics TouchPad" "Synaptics Two-Finger Scrolling" 1 0
This was tested on Lenovo T410, T430, and T430s.
schemar
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Jakub Lucký
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Wow, excellent it works on T400 as well. Thanks :) – mac Sep 13 '12 at 07:29
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Works great, but changes are not saved for when I restart. How do I do that? – Mark Lyons Sep 02 '13 at 23:43
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Just add the line(s) to your .bashrc. – jtsmith1287 Feb 12 '14 at 19:38
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it does not work for me!! :( I am using lenovo z410 and ubuntu 14.04 – Mohammad Rafiee Oct 29 '14 at 08:26
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Thank you very much. Working perfectly in a Lenovo T-400 :) – Geppettvs D'Constanzo Jan 20 '15 at 04:39