MyNameIsRichard

If the information on the label is not working, I would try the online info. I'd also take a couple of cuttings.

Given OP mentions kebab-case, this is probably about file-systems. But you are absolutely correct about code.

Kebab case with Pascal case in the usual places. I'd change to all kebab case but the muscle memory of typing Documents would nearly kill me.

And yet, here you are posting on it.

Penis Huge Penguin?

Thanks but it did all the hard work

It looks a lot like it but it has bigger spines based on the pictures I just looked at.

The only other thing I can think of is, are you absolutely sure the key is the right type, efi or mbr, depending on how you're booting?

I do suspect a small but vocal crowd of people will spread doom and gloom about it on social media anyway, of course.

I see they're here already

Or you can use nmtui if you prefer a graphical frontend

their very liberal customization options

That's a good point and makes it worth considering

Some uefi set ups have usb boot disabled by default. It may be worth having a poke around and seeing if yours does.