Well, it started to finally use my Nvidia card, thank god. I'm not really sure what happened. I updated my card drivers again, and the second one was a charm. Maybe they didn't fully update the first time. Another possibility is that my laptop wasn't fully charged, even though it was plugged in. These alienware computers go strait to the integrated card as soon as they go on battery.

One word of advice to anyone else having this problem. Do NOT disable your integrated card. Everything goes through it before it goes to the discrete card, so your computer won't work properly without it.