20 Quick Reference Guidew w w . d e l l . c o m | s u p p o r t . d e l l . c o mFILE LOCATION: J:\DL\DL044399\DTP\D5173eb0.fmD E L L C O N F I D E N T I A L – P R E L I M I N A R Y 1 2 / 8 / 0 4 – F O R P R O O F O N LYTo download the utility from the Dell Support website, go to the Downloads section of the websiteand select your computer model from the pull-down menu. Select the Download Category"System and Configuration Utilities," select your operating system and language, and then followthe posted instructions.NSS provides critical updates for your operating system and support for Dell™ 3.5-inch USB floppydrives, Intel® Pentium® M processors, optical drives, and USB devices. NSS is necessary for correctoperation of your Dell computer. The software automatically detects your computer and operatingsystem and installs the updates appropriate for your configuration.NOTE: NSS is critical for the correct operation of USB devices, including the Dell D/Bay, D/Dock, D/Port,and D/View devices.Lockups and Software ProblemsCAUTION: Before you perform the following procedures, see the safety instructions in the ProductInformation Guide.The computer does not start upThe computer stops respondingNOTICE: You might lose data if you are unable to perform an operating system shutdown.A program stops respondingEN S U R E T H A T T H E AC A D A P T E R I S F I R M L Y C O N N E C T E D T O T H E C O M P U T E R A N D T O T H E E L E C T R I C A LO U T L E TTU R N T H E C O M P U T E R O F F — If you are unable to get a response by pressing a key on your keyboard ormoving your mouse, press and hold the power button for at least 8 to 10 seconds until the computerturns off. Then restart your computer.EN D T H E P R O G R A M —1 Press simultaneously.2 Click Applications.3 Click the program that is no longer responding.4 Click End Task.