hi ya all , i,m new here.. i,m using a friends laptop HP/compaq older one. It works great,,but she sadi one day it switched the type of scrolloing motion down a page ur reading. It now moves down in a horrible wavelike motion, rolling down thru whole page, instaed of old usual way,, of smooth clicking dowmn one line at a time. any1 know why doin this,, its really awful, makin me dizzy. TYTY for the help..
