Received a new Alienware laptop last week, with a 2GB nvidia geforce GTX 675M graphics card. Worked fine for the first week. The problem is the screen started shutting off for maybe 10 to 15 seconds every half hour or so. Today when I turned it on everything worked fine but screen didn't come on, so I plugged in another monitor to it (which worked fine) after about 15 minutes laptops screen finally turned on. Worked on it for 4 hours and no problems. When I got home turned it on and same problem as earlier, after about 15 minutes the screen worked fine. I've downloaded the latest drivers but other then that I've no idea as to what might be causing the problem or how to fix it. I would like to hear if anyone else has had a problem like this or any suggestions on what's causing it or how to fix it, thank you.