Old kernel still in use when installing a new kernel

It still doesn’t work, theres only kernel 5.13 in advanced menu

Then i am out of ideas.

I guess you can try to install refind to see if that works instead of grub. I don’t use grub personally

For the heck of it, can you post the contents of /boot/grub/grub.cfg

cat /boot/grub/grub.cfg

It’s going to be a very long list! Paste the output in a link, such as pastebin.com. Then share the link in here.

@anon67018344 I’ve edited some of your posts for better readability of terminal output. Please use </> button to format or the 3 backticks in front and after the content.

This makes me think, your system is booting another grub or doesn’t use grub at all. Are you directly booting into the old kernel via EFISTUB?
Are there any other linux installations on that system on other drives? The parted -l output above was complete?
Please post output of

$ lsblk -f

and

$ efibootmgr -v
2 Likes

I don’t follow?

You said,

Then continued with,

So updating to the Unstable branch caused the issue… but then updating to the Unstable branch fixed the issue?

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