The Service Tag is a 7-character code, and the Express Service Code is a 10 to 11-digit code that is a numeric version of the Service Tag. Dell uses these product identifiers to access information about your device’s specific tech specs and warranty so that we can provide personalized support options.

Laptop product models: Latitude, Inspiron, XPS, Precision, Vostro and Alienware.

Watch this video to learn how to find the Service Tag label on your Dell laptop or, if you cannot locate it, from the system start up
Find your Laptop's Service Tag (Closed captions available in many languages)