You can use the Quick Resource Locator (QRL) to get immediate access to the information about your system. If you want to access information specific to the system Service Tag, such as configuration and warranty, you can access QR code located on the system Information tag.
Ensure that your smart phone or tablet has the QR code scanner installed.
The QRL includes the following information about your system:
How-to videos
Reference materials, including the Owner’s Manual,
LCD diagnostics, and mechanical overview
A direct link to Dell to contact technical assistance and sales teams