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My touchpad seems like PS/2Generic Mouse device with the output xinput. I cannot set it correctly albeit I gave some tries. In addition its multitouch functions do not work becasue of this detection issue.

Here is the output of xinput list

Virtual core pointer                        id=2    [master pointer  (3)]
⎜   ↳ Virtual core XTEST pointer                id=4    [slave  pointer  (2)]
⎜   ↳ Logitech USB Receiver                     id=10   [slave  pointer  (2)]
⎜   ↳ Logitech USB Receiver                     id=11   [slave  pointer  (2)]
⎜   ↳ PS/2 Generic Mouse                        id=15   [slave  pointer  (2)]
⎣ ...

In addition, the problem occured after I tried to activate right click of my touch pad with following command from Synaptic touchpad right-click not working

sudo su
echo options psmouse proto=exps > /etc/modprobe.d/psmouse.modprobe
reboot

How can I check all the problems out and get my touchpad working all correctly?

1

Here is my solution. I totally remove psmouse by following commands

sudo dkms remove --all  psmouse/alps-dst-0.4

and I remove the config file;

sudo rm /etc/modprobe.d/psmouse*

and my touchpad came into life

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