How to update Dell Insprion 15 5000 notebook Bios, How to update your Dell Inspiron 15 5000 Series Bios
For the Dell Inspiron 15 5000 Series bios update, here’s what you’ll do:
First go to the full model page of your device with the Service Tag number found under the computer and download the compatible biosampler to your operating system on the driver download page.
The charger must be plugged in, and the battery must be at least 20% charged. Run the downloaded file. Your computer will restart and you will see the following screen. Your computer will restart after waiting for this screen to turn itself off.
And your device has finished updating bios.