Will do - thanks! Have never done this til now. Ken On Aug 2, 2012, at 3:56 PM, Winston MacKelvie <winstonworks at sympatico.ca> wrote: You should vacuum your air inlet openings to ensure optimum cooling. Winston _______________________________________________ X4U mailing list X4U at listserver.themacintoshguy.com http://listserver.themacintoshguy.com/mailman/listinfo/x4u