I had the exact problem occur with a 2nd gen shuffle less than 24 hours old. I had just bought my kids each one of these. After loading them both with songs, one of them would no longer be recognized by either of my PC's. When plugged in to the docking station, the light on the ipod would blink orange 3x, and then, nothing. The PC would not play the normal something-was-just-plugged-into-the-USB-port sound. The other shuffle connected fine, using the same USB port and docking station. Strange enough, the ipod that refused to be recognized would still play the music that had already been loaded before the problem started. However, since it was not being recognized by the PC or iTunes, I figured it was not going to take a charge, and would just be a matter of 12-14 hours before the thing was dead for good. I took it back to Best Buy and exchanged it for a new one. This time I purchased the 2-year replacement contract (something I rarely do). Probably a good bet, as a couple of hours later, the sound of the newly-replaced shuffle cuts in and out when the headphone wire is touched. I wonder how many of these cute little guys my kids will go through in the next two years...