Do you know how to update the Dell Latitude E7440 BIOS system?

As a professional battery supplier,we often suggest the customer to update their laptop timely, making the battery compatible and work well with the laptop.DELL official also recommend 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.Take Dell Latitude E7440 as example, we are showing you how to upgrade the BIOS system in DEll laptop.

original DELL Latitude 14 7000 Series-E7440 7.6V or7.4V 2990mAh laptop battery 

1. Re-start the computer.
2. Go to dell.com/support.
3. Enter the Service Tag or Express Service Code and click Submit.
   NOTE: To locate the Service Tag, click Where is my Service Tag?
   NOTE: If you cannot find your Service Tag, click Detect My Product. Proceed with the instructions on screen.
4. If you are unable to locate or find the Service Tag, click the Product Category of your computer.
5. Choose the Product Type from the list.
6. Select your computer model and the Product Support page of your computer appears.
7. Click Get drivers and click View All Drivers.
The Drivers and Downloads page opens.
8. On the Drivers and Downloads screen, under the Operating System drop-down list, select BIOS.
9. Identify the latest BIOS file and click Download File.
You can also analyze which drivers need an update. To do this for your product, click Analyze System for Updates
and follow the instructions on the screen.
10. Select your preferred download method in the Please select your download method below window; click Download File.
The File Download window appears.
11. Click Save to save the file on your computer.
12. Click Run to install the updated BIOS settings on your computer.
Follow the instructions on the screen.

Source from Internet.