The best place to go is, go to products and services, then select “by service tag”. This will enable you to enter as many service tags as you require as you go down the list of products that you need to check on. Doing so will help free up your time and allow you to get back to the things that you want to do. In fact, if you are going to be checking on multiple Dell product warranties, then you might as well get them all knocked out at the same time. There are procedures that you can use to check on a variety of Dell service tags all at the same time. How can I get warranty on my Dell laptop?.How do I find out if my laptop is still under warranty?.