Dave's two rules for fixing things

Every so often I wonder why I haven't posted my two rules for fixing things. This is a theory that I've proven over and over to myself. If you are the go-to guy when something doesn't work, these will make you look smart (or embarrass the requester, depending on your style).

1. Jiggle the wires.
2. Check for gas.

Probably this is as much as the typical tech-support guy knows how to do, but its surprising how often that is all you need.