Latitude 3480 Owner's Manual

Updating the BIOS in Windows

Prerequisites

It is recommended to update your BIOS (System Setup), on replacing the system board or if an update is available. For laptops, ensure that your computer battery is fully charged and connected to a power outlet

About this task

NOTE: If BitLocker is enabled, it must be suspended prior to updating the system BIOS, and then re-enabled after the BIOS update is completed.

Steps

Restart the computer.
Go to Dell.com/support.
- Enter the Service Tag or Express Service Code and click Submit.
- ClickDetect Product and follow the instructions on screen,
If you are unable to detect or find the Service Tag, click the Choose from all products.
Choose the Products category from the list.
NOTE:Choose the appropriate category to reach the product page
Select your computer model and the Product Support page of your computer appears.
Click Get drivers and click Drivers and Downloads.
The Drivers and Downloads section opens.
Click Find it myself.
Click BIOS to view the BIOS versions.
Identify the latest BIOS file and click Download.
Select your preferred download method in the Please select your download method below window, click Download File.
The File Download window appears.
Click Save to save the file on your computer.
Click Run to install the updated BIOS settings on your computer.
Follow the instructions on the screen.

Next steps

NOTE:It is recommended not to update the BIOS version for more than 3 revisions. For example: If you want to update the BIOS from 1.0 to 7.0, then install version 4.0 first and then install version 7.0.

Bienvenido

Bienvenido a Dell