Edit /usr/share/X11/xorg.conf.d/50-synaptics.conf, add 2 lines
Option "TapButton1" "1"
Option "VertEdgeScroll" "1"
so that it looks like:
Code: Select all
Section "InputClass"
Identifier "touchpad catchall"
Driver "synaptics"
MatchIsTouchpad "on"
Option "TapButton1" "1"
Option "VertEdgeScroll" "1"
EndSection