Ask yourself this...

It's in the last place you would look. Many would suggest you to start looking there to save time, but that would be wimpy. Instead, you should curse out loud for a few hours, turn your flat upside down, go buy a new one, notice that it doesn't fit, solder yourself a custom cable that kills the POD, order a new POD, fire it up, play a few riffs and find out the hiding cable was actually in your left hand.

That's what I usually do. I have actually re-bought several course books for school just to find out at the end of the period that the missing books were in the sealed packages they came in, cause I had forgotten to open them.