My house to play the game screen will flash

I started to play home games to play 5-10 minutes will flash at the beginning was not very much more and much scary as if the screen to explode, I can play CS, I have nothing at home more than 500 memory “ `
how to do ah ah ah Ah ah you help me tell me in detail about the method of regulation would like to thank “

computer monitor frequency of the brush is too large, transfer Small enough.Display graphics or you have a problem if the first entered the game all right, then find someone to help you repair computer graphics ..If there is no question of the proposed independent graphics card equipped with an independent and then to transfer the small screen refresh rate That can be a