My screen turns off when I play the sims 3!

I'm not sure if this is the right place to post but I started to play my sims 3 game last night and I was playing for maybe 4-5 hours and then my screen just shut off.
I tried to play it again and I could only play it for maybe 20 minutes and it turned off again so I thought maybe it over heated so I turned it off and went to sleep and I tried playing it today after around 14 hours of my laptop being turned off and the screen just shut off again.
Ugh I have gone through so much trouble to get these sims 3 games to finally work and I want to play it so bad but I can't.
My laptop is about 1 year old so it's pretty new.
Maybe it could be one of the games I downloaded?
I have the base game, pets, ambitions, and generations.

Have you played any other fullscreeen game? doesn't seem right for it to just turn off.

I don't feel like it's a game issue, just because games don't have control over the screen being on/off.

I'm possibly thinking your screen is bad, and it's back-light is turning off, and your assuming it's the whole screen is turning off, just because it's nearly impossible to see without the back-light, but it would be all the time rather then just starting up The Sims 3, but might take a while to full manifest.

So test out other games in fullscreen, and if they work, try The Sims 3 in a window screen.

Let us know the results.

Oh, and probably just update your graphics card to see if that can fix issues. So need to know graphics card, if Window's 7, and 64-Bit on your profile info is correct.