this post was submitted on 24 Oct 2023
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How do I add UEFI entries to boot any USB device? (feddit.de)
submitted 10 months ago by Pantherina@feddit.de to c/linux@lemmy.ml
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My stupid Lenovo "Thinkpad" UEFI doesnt have a real F12 devices menu.

It just shows registered UEFI targets that can be booted.

This is pretty catastrophic, somehow I got Fedora and Windows installed, but thats it. If something breaks, I am in trouble. I cant do a memtest86 even though I think my RAM is faulty.

So in Linux, is there a way to add an UEFI entry to boot just any USB stick? Or to boot a specific one, like with Ventoy on it?

Thanks!

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[–] ShouldIHaveFun@feddit.ch 8 points 10 months ago (2 children)

Don't you have an option to boot from usb in the BIOS?

Note that accessing the boot menus is not always with F12. Sometimes it's also ESC, F1, F2 or DEL. You should try those.

[–] Klaymore@sh.itjust.works 4 points 10 months ago (1 children)

or F11

[–] Contort3860@links.hackliberty.org 3 points 10 months ago (2 children)

I've had F10 before too.

[–] 30p87@feddit.de 2 points 10 months ago

At that point also consider your local governments nuke launch button as a possible option.

[–] scottywh@lemmy.world 2 points 10 months ago (1 children)

F10 is typical on HP / Compaq

[–] Contort3860@links.hackliberty.org 2 points 10 months ago (1 children)

My example is an old LG netbook.

[–] scottywh@lemmy.world 2 points 10 months ago

Yeah... That's not too crazy either.

They're certainly a less common manufacturer for PCs though.

[–] Pantherina@feddit.de 0 points 10 months ago (2 children)

Its the boot menu for sure.

Maybe I need to set "legacy first" to boot from USB?

There is no "boot from USB" in the BIOS and the F12 menu doesnt show devices, just UEFI entries.

[–] deo@beehaw.org 1 points 10 months ago (1 children)

Try F1 instead of F12. It should be under Setup -> Boot, and then just make your USB the first entry, save, and exit. And just so we're covering all bases, the usb should be plugged in before you reboot into the bios settings and it may be under a name that doesn't say "usb" anywhere (for example, the name of my usb in the bios settings contains the manufacturer and size in GB in addition to some other nonsense that i think is a model number).

[–] Pantherina@feddit.de 1 points 10 months ago

Yes thats the usual way but that didnt work. Anyways, for some reason my Bios works again, without and logical thing causing that. Showing devices, ssds, usb sticks like a good Bios lol

[–] ShouldIHaveFun@feddit.ch 1 points 10 months ago (1 children)

The BIOS should have a boot order option. You could set you USB as first priority there. Your USB may need to be plugged in to appear in this list.

[–] Pantherina@feddit.de 1 points 10 months ago

Ok thats a valid point. I will try to plug it in.