> get a Dell PC, ones I've read online that were serviceable When I "repaired" a Dell PC, I destroyed the machine. Dell power-supplies looked like standard PC power supplies; they connected to the motherboard using the same Molex plug. But Dell's Molex connector wasn't wired the same as normal ones. Dell power supplies only worked with Dell motherboards, and vice-versa. Things may have changed, but that experience bl…
You never ever swap cables between PSUs. It's not a Dell thing - you must use the cables that ship with the PSU. Many people have fried their mainboard like you.
https://www.informit.com/articles/article.aspx?p=339053
Edit: Better source https://superuser.com/questions/905705/atx-dell-psu-to-offic...