this post was submitted on 27 Jul 2024
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submitted 1 year ago* (last edited 1 year ago) by gpstarman to c/linux@lemmy.ml
 

How to update BIOS on a system that only use Linux as OS.

Asking this because some clowns at Acer decided that they will only provide BIOS updates through Windows Update.

Edit: I'm not talking about installing the BIOS file. They don't even provide BIOS file in the first place.

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[–] grid11@lemy.nl 2 points 1 year ago (1 children)
[–] gpstarman 1 points 1 year ago
[–] LunchMoneyThief@links.hackliberty.org 2 points 1 year ago (1 children)

My favorite way to update BIOS is with an SPI flasher and flashrom.

Vendor lock-in miscreants like Acer get wrecked. Try and stop me.

[–] gpstarman 1 points 1 year ago (1 children)

Thanks for the suggestion.

I presume from your tone that it is safe to do. Because, I don't wanna brick my UEFI.

[–] LunchMoneyThief@links.hackliberty.org 2 points 1 year ago (1 children)

I have saved bricked systems with this flashing tool. Just backup whatever is already on the BIOS chip with

flashrom --programmer model_name -r /path/to/backup.bin

before proceeding, so that it can be copied back over if anything goes wrong.

[–] gpstarman 1 points 1 year ago

Thank you. This is so cool.

[–] SkullLord666@links.hackliberty.org 2 points 1 year ago (1 children)

This is a large part of why I try to buy hardware with coreboot support. Your best option is probably to get a cheap 2nd drive and have a Win install on it. I'm pretty sure you can run win 10 off a USB, that would probably work, just make sure you change the drive boot order in the BIOS for the update.

[–] gpstarman 1 points 1 year ago
[–] bitchkat@lemmy.world 1 points 1 year ago (1 children)

My Lenovo laptops running fedora get BIOS updates via dnf

[–] gpstarman 1 points 1 year ago

Well, sucks to be me.

[–] nanook@friendica.eskimo.com 1 points 3 months ago

@gpstarman I only use Asus and Gigabyte boards, both have the ability to flash the BIOS using the maintenance engine on the board without even having a CPU or memory installed, let alone an OS booted.

[–] theRealBassist@lemmy.world 1 points 1 year ago

What Acer board are you trying to update?

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