This article has information about Drivers by Scan.
What is Drivers by Scan?
Using the Scan Utility, your Dell Computer would be scanned to detect the existing drivers based on the Operating System. Once scan is complete, Drivers by Scan will present a list of recommended drivers that needs to be updated. Sometimes absence of the latest version of a software might be the root cause of an issue with your computer. You can diagnose and resolve issues online by using the Drivers by Scan feature.
How does Drivers by Scan Work?
When you request Dell to detect your service tag, Dell System Detect software is installed in the computer. Once installed, it can scan the computer and propose a list of recommended updates for installed drivers, downloads and their current versions. The Drivers by Scan feature is compatible with all browsers.