When i play sometime it lag, the screen turn black and it come back all normally, but sometime its like if the game alt+tabbed and i cant go back in the game i have to alt+ctrl+del.

Sum know why and how to fix it??

windowed mode!

Thats it?? And how i put the game in window mode?? Will the game still can be at the maximum size of the screen?

Windowed fullscreen in graphics settings

This post was edited by UpSkirt on Jul 18 2013 08:42am

dont buy a cheap pos computer

Still happen, can it be caused because my driver is not upt to date?

If you're in windowed full screen in the graphics settings and the screen still occasionally goes black your computer is awful or you're having some serious driver issues.