Need Help! Computer Freezing

So far, this is the second time I've had a problem with my laptop. (It's an Alienware 17 R4, I'm not super geeky so I don't know everything about it, but if you need more info I'll try.) First I'd like to start off that I bought my computer off the official Dell site as a refurbished product. It was still expensive, and although I tried to get a year warranty on it, the website didn't like cooperating. Nonetheless:

The first issue I had with the laptop was it wouldn't shut down. I...

Need Help! Computer Freezing

Need Help! Computer Freezing