Touchpad does not exist
You should reinstall the driver for touchpad.
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First, delete your old
dkmsmodule, using terminal:cd /var/lib/dkms/psmouse/rm -rf alps-dst-0.4 Download the new driver fom here.
Install it, following next commands in terminal:
tar xvf psmouse-alps-1.3-alt.tbz cp -afr usr/src/psmouse-alps-1.3/ /usr/src/ dkms add psmouse/alps-1.3 dkms autoinstall rmmod psmouse && modprobe psmouse