How do i turn of the touch screen function on my ACER ASPIRE V5 LAPTOP? SUPPOSEDLY I HAVE TO GO TO CONTROL PANEL AND THEN PEN TOOL AND UNCHECK THE BOX WHERE IT SAY USE YOUR FINGER AS AN INPUT DEVICE BUT I'M NOT GIVEN THAT OPTION AT ALL.ow do i turn of the touch screen function on my ACER ASPIRE V5 LAPTOP? SUPPOSEDLY I HAVE TO GO TO CONTROL PANEL AND THEN PEN TOOL AND UNCHECK THE BOX WHERE IT SAY USE YOUR FINGER AS AN INPUT DEVICE BUT I'M NOT GIVEN THAT OPTION AT ALL.