Most computer PSUs have a fuse inside, and it is quite easy to replace them. I know because many moons ago I blew one, in the era when PSUs had a toggle betwee

Most computer PSUs have a fuse inside, and it is quite easy to replace them. I know because many moons ago I blew one, in the era when PSUs had a toggle between 120V and 230V, and I set it to 120V in a country that runs at 230V...