Salam to every one ....guys and experts plz help me about HD video quality is very disopinted on my new laptop lenovo z50_70 . I bought it three month before and i useing this machine now but i m little bit disopinted about HD video quality and lcd result of screen .in discription i found its reall HD screen but its bad then my old laptop acer z6 453 ..i m using geniune window 10 and i install vga driver updated but not at all better .so any body have any slotion to solve this problem and one more thing about my laptop it has two graphic card one is intell hd graphic and nvidia graphic card...