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I am using Ubuntu 18.04. I have activated two finger scroll. It works fine but stops working after i suspend my pc. I am using a lenovo T440. My mouse settings are as follows. enter image description here

Does anybody have an idea what might be wrong here?

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    I have some issue on ubuntu 18.04 with the two finger scroll especially after supsend. What I do (but its not a solution) is to reload the kernel module by doing sudo modprobe -r psmouse followed by sudo modprobe psmouse on a terminal. Not that after the first command the whole touchpad will stop to work, before you reload the module.
    – efx
    Jun 17, 2019 at 6:51

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This answer from Manjaro suggests adding the following line to /etc/modprobe.d/psmouse_serio2_setup.conf:

options psmouse synaptics_intertouch=0

This apparently forces the trackpad to use PS/2 emulation and makes everything all better. I haven't tested it extensively, but it seems to work in my T450s with Ubuntu 18.04.

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