Uh atemu you do know the pics are of
INSIDE a power supply unit, right?
Nice try mattsaysurmom, but that's nothing to do with it.
This is why it blew:
http://www.badcaps.net/pages.php?vid=4A: No I let the dust gather and coagulate on the cpu fan and vents+shell until i get system performence errors or failures like everyone else. I clean cpu fan and vents+shell every 3-4 months or check and see if it is dirty.
Nice, except my CPU fan, vents and shell (lol shell) are all pretty clean too.
Dirt and dust coagulated tends to Retain heat which can burn/fail componets that provide capacitence and resistence to electricity and or melt then cross positive and negative componets which is what that POP probably was. At least you were around and there for it. Hopefully a circuit breaker is between your comp and the wall or it could of been WORSE. You would be calling smokey the bear for back up.
See link again, nothing to do with it. You sound like a student fresh out of an IT class.