Power out!

My dad's computer went kaput - it shutdown itself mysteriously and failed to reboot. I suspected it might have to do with power supply so I decided to take a crack at it.

Something was rattling inside as I take the power supply out...

...Here's the baby!

I think this is from here that it fell off:

The computer works fine after the power supply was replaced but the USB ports are fried. The only workaround is to install a new USB PCI card :(