When you buy a new computer from Dell, it comes with a service tag affixed to it. The
service tag is a barcoded sticker put on the computer's case that makes your specific computer easily identifiable by Dell for repair, service, or support purposes. If you go to the Dell website (
Support.Dell.com) and enter your service tag, you can view a list of drivers for your computer, so you can see at a glance if any of your current drivers are out of date and easily download any updates. You can also see your computer's specs and other details.
On a desktop computer, the Dell service tag is typically located on the back of the computer. On a laptop, it's probably on the bottom. It is a rectangular white sticker with a short barcode and a mix of five to seven letters and numbers underneath the barcode. Depending on your system and how it was set up, you may also be able to find your service tag number through your computer's setup utility. (If you have an OptiPlex GX280, for example, the service tag can often be viewed in the CMOS settings.)
In addition to computers, Dell also affixes service tags to their other products, including routers, TVs, and printers. Knowing your service tag number can make using Dell's online or phone support much easier. It's a good idea to write the service tag number down somewhere or store it in a file, in case the sticker peels off one day.
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