This package provides the application for Dell Client System Update and is supported on Optiplex;Tablet;Precision;Latitude;Enterprise Servers;Powervault that are running the following windows operating systems:Windows 7,Windows XP, Windows Vista,Windows 8

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.

I've had this laptop two weeks now and the backlit keyboard has just stopped working. According to Quickset, it is "on" and I've toggled between using the Ambient Light Sensor and not but to no avail. The backlight was working fine up until this morning and now just seems dead in the water.