Updating bios with a flash drive
Most manufacturers provide a Windows executable or a BIOS executable that can only be run under Windows.
However, there are a few utilities, that allow you to upgrade your system BIOS under Linux.
BIOS is a term we have heard from quite sometimes, in fact, it’s possible that for most of your hardware issues the IT guy may have suggested a BIOS upgrade before troubleshooting the hardware. BIOS is an acronym for (Basic Input Output System) and is a piece of software that goes along with the PC’s motherboard.
In a nutshell, it forms a layer of communication between the hardware and the operating system.
Warning: Flashing motherboard BIOS is a dangerous activity that can render your motherboard inoperable!
While the author of this article has successfully run this procedure many times, your mileage may vary. You may want to consider updating microcode instead if it is supported by your system.
The updates usually bake in enhancements and fixes which will eventually help the software maintain its compatibility with the hardware and the software.
BIOS is, after all, a piece of software that needs to be regularly updated, just to the operating system or the apps in general.
Before you begin, make sure that you have power backup while upgrading the BIOS.
Because if the computer turns off during the process, the BIOS may be corrupted and you will need a technician to fix it.
fwupd only supports flashing BIOS updates in UEFI mode.
See fwupd for further information about installation and usage.
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Alternatively, you can directly download the BIOS from the Lenovo support site and install the same manually.