Inspiron 14 Plus 7440 Owner's Manual

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Updating the BIOS in Windows

Go to Dell Support Site.
Go to Identify your product or search support. In the box, enter the product identifier, model, service request or describe what you are looking for, and then click Search.

NOTE: If you do not have the Service Tag, use the SupportAssist to automatically identify your computer. You can also use the product ID or manually browse for your computer model.
Click Drivers & Downloads. Expand Find drivers.
Select the operating system installed on your computer.
In the Category drop-down list, select BIOS.
Select the latest version of BIOS, and click Download to download the BIOS file for your computer.
After the download is complete, browse the folder where you saved the BIOS update file.
Double-click the BIOS update file icon and follow the on-screen instructions.
For more information about how to update the system BIOS, search in the Knowledge Base Resource at Dell Support Site.