(again: stupid) I plugged my wife's internal laptop hard drive into one of the internal eSATA ports right on the motherboard of my desktop. You're right, though--it seems like I've somehow broken the USB connectors on the motherboard, since the keyboard backlights don't even work.
Ok, so I did a stupid thing. My wife's laptop broke down a few months ago, and we wanted to get some files off of the hard drive. I grabbed an extra eSATA cable and connected it to an extra port on my desktop motherboard... without remembering to connect it to the power supply. I already...