Hello and thank you for the welcome!
I’ll have to embark on this long journey then!...

Hello!
I recently bought a second hand laptop and i've found mysel in same situation of this user:
https://www.badcaps.net/forum/troubl...79-dfci-locked

When i booted up the pc the first time i saw an open lock on red background and that's when i found out about secure booting and secondly down the bios rabbit hole.. Honestly i'ts a bit out of my knowledge because i've mever messed around with this kind of stuff and before this...