Dell highly recommends applying this update as soon as possible. The update contains changes to improve the reliability and availability of your Dell system.

This driver works for the following laptops:

Latitude E4300
Latitude E6400
Latitude E6400 ATG
Latitude E6500
Studio Laptop 1435
Studio Laptop 1535
Studio Laptop 1536
Studio Laptop 1537
Studio Laptop 1735
Studio Laptop 1737
Studio XPS Laptop 1340
Studio XPS Laptop 1640

What's New:

Improve power management and system compatibility.

Supported OS:

Microsoft Windows Vista 32-bit
Microsoft Windows Vista 64-bit
Microsoft Windows XP
Microsoft Windows XP x64