i'm not sure how to use this site yet and i need help now if ya can help me. haveing a tablet is all new to me. just got one today and i charged it. i got a coby kyros mid8125-4g. the light came on saying its charged. so i unplugged it and tried to turn it on and it wont turn on. so i plugged it in again and turned it on. on the screen its says charged and the battery indicator is all green. when i unplugged it, the tablet just shuts down. what do i do. could ya please help me.