You will need to go to the support section over at Dell and enter in your service tag from the bottom of the laptop. You then need to look in the "drivers" section and download the Dell Synaptics Touchpad drivers and install them. That should bring your scrolling area of the touchpad back to life.
My touchpad no longer scrolls or zooms like it used to, and it switches where I am typing sometimes,...
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My touchpad no longer scrolls or zooms like it used to, and it switches where I am typing sometimes, just if I accidentally brush it with my hand.