Before upgrading your BIOS, you may want to look up which version of the BIOS you are currently running.
he BIOS is Basic Input/Output System used by a computer, which embedded on a chip on a computer’s motherboard.
A newer version of BIOS may fix bugs, provide improved performance and/or may support newer hardware devices such as large hard drives or SCSI / SAS disks.
You do not need to use MS-Windows or MS-DOS system for flashing the BIOS. Here are some good articles that explain the BIOS flashing using Linux: The author is the creator of nix Craft and a seasoned sysadmin and a trainer for the Linux operating system/Unix shell scripting.
It then downloads the same XML from Samsung that their own Windows updater uses and compares version numbers.
You can read my original blog post for info about understanding their updater software.
Dell XPS 13 9343 (2015) receive them frequently with an always interesting change-log.
You have to download the bootable ISO file from Lenovo support site, convert it and copy it to a usb flash drive. First Get the bootable ISO file from Lenovo support website.
The Lenovo support site offers downloadable BIOS updates that can be run either from Windows or from a bootable CD.
Here's how to convert the bootable CD ISO images under Linux in order to update the BIOS from a USB stick.
At this point, the Linux takes over control of your computer and finishes starting up system in GUI or text based mode.
The BIOS is stored in rewritable memory, which allows you to update old BIOS firmware with a newer version. A special program provided by the computer manufacturer to update BIOS.