im not the great computer guy so if u can explain it more simple to me it would be great i cant change mu hz from 60 to 120 i would be verry happy if you could help me im running windows 8 and have a AMD Radeon HD 8570 Graphic card
Not entirely sure of the outputs your card has, given that its an OEM card, but unless you have a dual link DVI port or Display Port you aren't going to get 120Hz out of it.