When i play minecraft or team fortress 2 for more than 10-15 minutes my computer

superB999

Honorable
Jul 29, 2012
8
0
10,510
Hello, i hate this so much becuase the person i take it to cant fix it but when i play minecraft or team fortress 2 after about 10 - 15 minutes my computer scren turns black i can still hear the game music but i cant see it i have to turn my computer off by the power button and when i turn it back on it is ok but i cant play games and it is realy frustrating