AOA guys, Ive bought Viewsonic 27'' LED from shop in lahore, it got a stuck pixel (green),i returned it and got new but unfortunatly it also had a dead pixel which was only visible on red background, shop keeper refused to change it (even i reported it within few days).. i stoped ignoring that pixel but yesterday i noticed another small bright spot only on black background, so please tell me wt is causing more dead pixels, and any recommendations....