You are scaring me a bit to be honest... We'll first thing I would suggest is that you buy a new power supply they are cheap. If you still are keen on fixing it yourself, I would go ahead and first learn about them more . Here check this out...
Hey Matthew, sure i can help you out with this. Yea a bridge rectifier is an assortment of diodes , 4 to be exact. They are configured in a certain way so that AC converts to DC and current only moves in one direction.
Hello everyone my name is Matthew. I am very into working on Rasberry pi and Adruino projects. Also have extensive knowledge about electronics in general. Excited to contribute to the community.