so i was playing a game and something random happed like the grass and stuff started to move and the pixels and landscape stared to flicker so i cloes the game to see if any thing happends and i see the pixels are still there so i restart my pc to see if that fixes it but they were still there, i saw them when my windows loads like windows xp loading screen the pixcels are blue and red all over the screen and when i start a game it only get the pixcels more jumpy and brighter .i am very comfused,dunno whats wrong can any one help plz thx