XPS 15-1579sLV is a specific model for XPS 15 which comes with Intel Core i5 3210M 2.5 GHzNVIDIA GeForce GT 630M with 1GBIntel Centrino Advanced-N 6235 with Bluetooth 4.0Backlit Keyboard65WHr battery; 9-Cell Li-Polymer (built-in). I hope this information would be useful for you.

Here's a brief summary of the before and after effects. System Specs: Alienware M17xR3 Intel I7 2720qm 2.2ghz 3.3 turbo Nvidia GTX 460m 1.5gb Bios Version A12 VBios Version A02 2x 750mb HDD Before:

I just factory restored my computer. I seem to have everything working except i don't know how to install the wireless internet. I've been on the drivers page and downloaded everything on there.