I need help. Our tablet went black! It did this the other day, after using it we put it on the dock and the thing wouldn't do anything. It's like its on because the screen has some light but it's all black and nothing works. The light on the side is on but it won't do anything. Last time it did, I let it set there for two days and noticed the power light had gone off and after turning it on everything came back as normal. I've tried holding the power button incase it was a soft rest but nothing happened. I've seen the rest button but didn't know if that would erase stuff. It's been three days this time and it looks like this thing is dead. Can someone please tell me how to fix it and why it happened? Thank you.