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need help with screen flickering (graphics card issue)

#1yhmusicPosted 9/19/2013 10:45:25 PM
i have a nvidia optimus laptop with a 540m graphics card, whenever i go into a game or watch an hd video the 540m dedicated graphics card turns on, and now all of a sudden the screen flickers every now and then. it use to only happen once or twice a month. now it happens everytime i start a game.

anyone know any fixes? by flicker i mean it goes from whatever is on the screen to black, with a couple pixel lines on the far left, then back and forth.
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