Afternoon, gang.
I was having a skim through the gParted website a little bit earlier today:-
.....and came across a link to this detailed, yet very readable, thorough explanation as to how BIOS and UEFI - the two main types of PC 'firmware' - actually work:-
https://www.happyassassin.net/posts/201 ... work-then/
It's well worth a read.....and will - hopefully! - dispel several of the more prominent myths that are floating around the web in general circulation. It's cleared up several misconceptions for me. With any luck, it should for you, too.
(I'm posting it in 'Announcements' because I think it's important enough to be here. It's not highly-technical, because it's aimed AT the average home user.....which covers 95%+ of PC users, worldwide.)
Mike.