For Dell products, the back always has a Series code with a Service Tag. Method 1: Check the serial number on the back of the product. Thanks to the management of the warranty system with Service Tag like this helps Dell guarantee worldwide quickly, especially customer service. Dell's Service Tag number gives us lots of information such as: Or to understand more briefly is the serial number to track warranty service. So what is Servire Tag Dell machine, how to check Dell Service Tag most correctly.Īctually this is a way for Dell to monitor the warranty for the products it sells. However, with Dell products, in addition to the Series number, the company also has an additional code is Service Tag. Each electronic product, when released commercially, is always accompanied by a series of serial numbers so that manufacturers can check the status of the product or track many different information.