hi im new here and somewhat knowledgeble with computers.computer was fine until i reformatted and reinstalled xp professinal on it. computer runs great every thing is fine except. when i open a page either a brwser or just folders when i go to move them they have a scrolling lag .they ripple when i move the pages. or on the web it does not move smoothly. how do i correct this. i have an amad processor. does this have to do with the video card? it was fine before i reformatted get back anyone thanks