Well, my old PSU for my desktop PC exploded on me yesterday.

I was actually using the computer when all of a sudden I heard this loud pop and saw a flash of light in the corner of my eye. My PC case has a see-through side allowing me to see a flash from the explosion.

I have already replaced the exploded PSU with a new one. Luckily it didn’t damage any parts inside the computer.

What I believe happened was on of the capacitors inside the PSU exploded. However, I opened up the PSU and saw no evidence of anything burnt. Although there was a spark plug thing that appeared to have blown. There was also this hard brown substance along the bottom of one of the capacitors.

Anyways, I knew the fan in the PSU was bad for a long time and was putting off replacing it. I guess it finally overheated and exploded. I also knew there was something wrong with the PSU beforehand because I would always have trouble getting the computer started, although once on it was fine.

Lesson to be learned: When a PSU is going bad, replace it before it explodes

Anyways, I instantly went to best buy and bought a $75 new PSU. Its working much better and is much quieter than my old one.

Click here to see the PSU I bought. (Note this is the newegg page for it not the best buy where I bought it)