• Service Tag and Express Service Code• Microsoft Windows License LabelService Tag and Microsoft® Windows® LicenseThese labels are located on the bottom of your computer.• Use the Service Tag to identify your computerwhen you use support.dell.com or contactsupport. It is recommended that you keep a copyof the Service Tag in a secure location in caseyour computer is lost or stolen.o• Enter the Express Service Code to direct your callwhen contacting technical support.• Solutions — Troubleshooting hints andtips, articles from technicians, and onlinecourses, frequently asked questions• Community — Online discussion withother Dell customers• Upgrades — Upgrade information forcomponents, such as memory, the harddrive, and the operating system• Customer Care — Contact information,service call and order status, warranty,and repair information• Service and support — Service callstatus and support history, servicecontract, online discussions withtechnical support• Reference — Computer documentation,details on my computer configuration,product specifications, and white papers• Downloads — Certified drivers, patches,and software updates• Notebook System Software (NSS)— Ifyou reinstall the operating system foryour computer, you should also reinstallthe NSS utility. NSS provides criticalupdates for your operating system andsupport for Dell™ 3.5-inch USB floppydrives, Intel® Pentium® M processors,optical drives, and USB devices. NSS isnecessary for correct operation of yourDell computer. The softwareautomatically detects your computer andoperating system and installs theupdates appropriate for yourDell Support Website — support.dell.comNOTE: Select your region to view the appropriate supportsite.NOTE: Corporate, government, and education customerscan also use the customized Dell Premier Support websiteat premier.support.dell.com.To download Notebook System Software:1. Go to support.dell.com→ Downloads.2. Enter your Service Tag or product model.3. In the Download Category drop-down menu, clickAll.4. Select the operating system and operating systemlanguage for your computer, and click Submit.5. Under Select a Device, scroll to System andConfiguration Utilities, and click Dell NotebookSystem Software.