Just bought a Playstation 3. It all works fine and everything. The controller I have (that came with the PS3) works just fine... when it's plugged in with the USB cord. When not plugged in, it will not turn on. It will flash, to indicate that it does indeed have enough battery charge. But no matter how many times I plug, unplug it, ,reset it, it will not sync when not plugged into the PS3. Is there something I'm missing? Please, help me!