I have a Pioneer R1 TBT-7R1-K Android Tablet, My tablet needed to be charged, so I put it on for a few hours, I came back and there is a lighted black screen with NO picture!!! I tried the pin hole AND holding the power button for 30 seconds but turns on back with the black screen!!! this is LESS than a month old!!! I got it for Christmas. how do I fix???