Generally speaking, the best way to control any personal computing device is a wired mouse. Of course, if you're using a laptop on the go, you may not have the space necessary for a mouse, assuming ...

First, let's ensure the two-finger scrolling option is enabled. Go to "Settings" > "Devices" > "touchpad" and make sure the "Two-finger scrolling" feature is turned on. Outdated or incompatible ...