Diodes

I have a number of ATX supplies that are dead. I want to try to repair them, instead of spending more loot on replacements. What I'd like to know is , what are the most common parts that you need to repair ATX power supplies? I know, a lot of electrolytic capacitors. But what kind of diodes...

Hello, I recently replaced my PSU because my old one was overheating and was shutting down due to surges. Replaced it two days after first surge. Computer was working fine for the first day I installed the new PSU then problems started occuring, start up times were fine, but opening programs...