Notebook System Software (NSS) is a utility that provides critical updates and patches for your operating system. Install the NSS program to gain support for Dell 3.5-inch USB floppy drives, Intel Pentium-M processors, CD-ROM/CD-RW/DVD drives, Infrared (IR) communications, and USB devices. NSS is necessary for correct operation of your Dell portable computer, including the Dell D/Bay, D/Dock, D/Port, and D/View family of docking devices. NSS automatically detects your computer and operating system and installs the updates appropriate for your configuration.