I am no longer able to turn my Polaroid Mp3 player on, or charge it. I have tried charging it by hooking the USB port up to my computer with the cord provided; I have also tried using a charger that you plug into an electrical outlet, and I have also tried using a car charger. None work. and I am unable to even turn it on. Any idea what is going on? Thanks. Delta (djones@florenceal.org)