Starkeeper,
Pack up the keyboard and return it to where it was purchased for an exchange. This sounds like a serious mother board problem and the keyboard is still under warrenty. I know you have been waiting for a while to get the keyboard, but these kind of problem, though very rare, do occur. Take it back and exchange it right away.
Gary
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Travlin' Easy
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PSR-S950, TC Helicon Harmony-M, Digitech VR, Samson Q7, Sennheiser E855, Custom Console, and lots of other silly stuff!
K+E=W (Knowledge Plus Experience = Wisdom.)