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Given the current situation around Lenovo firmware, it's a good time to run:

fwupdmgr refresh
fwupdmgr update

If you didn't already update using "GNOME Software" or alike.

fwupd.org/

@sheogorath thanks for the reminder. For me the firmware update didn't work since some weeks (probably since I updated to KDE Neon based on Ubuntu 22.04). Some binaries were missing. A quick web search now helped me a lot, I just had to install two packages manually.

@maltimore Uff, okay, this is not great .-.

Are all efi boot options gone? It should be an easy fix with a live-disk, but having one on hand is not always trivial.

@sheogorath I don't know how to display EFI boot options, the closest I see is the image attached. The boot device order seems fine/unchanged.
Creating a bootable USB stick is no problem, which distro would you recommend?

@maltimore In best case, use the distro you are running, then check their documentation for recovering your bootloader, this should also bring back the entries.

@sheogorath
oh lord. Barely 10 hours of fiddling later, and I solved it.
Turns out that in order to properly chroot into the system, one now has to mount a really random directory /sys/firmware/efi/efivars.
It's not documented *anywhere* (that I could find) other than this non-accepted stackoverflow answer
unix.stackexchange.com/a/41891
Not specific to Ubuntu or KDE Neon even, this was from some people trying to install Arch.

@sheogorath Mh, also entweder betrifft das alles nur neuere modelle oder ältere werden einfach nicht aufgelistet, weil eh kein Support mehr? 🤔

@Bubu letzteres ist durchaus der Fall, wenn dein Modell älter als iirc 3 oder 5 Jahre ist.

@sheogorath @Bubu wobei bei so schweren sachen auch patches für ältere modelle geliefert werden, vor nem jahr oder so kam z.b. noch was für x220/230, und falls solch ältere geräte auch betroffen sind, würde ich einfach die nächsten tage nach updates gucken ¯\_(ツ)_/¯

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