[Solved] Game won\'t work in full screen mode

[ahfay]

hello, my game is not working properly for some reason. Every time i start the game (LOL or APB reloaded) i get to play for about a minute, then the computer automatically goes back to my front screen. Its like someone alt+tab and i get ejected from the game. I can go back to the game by alt+tab, but i cant play games because it kicks me out every minute. PLEASE HELP.

I just got this computer. I have a AMD Radeon HD 7800 Series
and using a Sony LCD tv as a monitor.

I am not sure what is causing these problems. PLEASE HELP!!!!

 

[nrb5165]

How did you solve this problem im having this same problem.