There's a single wire in all computers, for some reason they always just have to include it, which if severed will completely disable the computer, as in, it wo

There's a single wire in all computers, for some reason they always just have to include it, which if severed will completely disable the computer, as in, it won't even turn on, not even try to turn on. That wire is the one delivering power. Point being, while things are so complicated that you often can have a lot going on and still try things, there are still single points of failure that can never be fully covered.