i have a Toshiba Satellite A135-S4527 and it wont turn on...i took the battery out and plugged in just the AC plug and the only thing that comes on is the blue light in front that indicates that its plugged in...THATS ALL..nothing else.then i plugged the battery in and the AC plug and not even the light that indicate that is charging would come on...i dont get it...nothing works on it but that stupid blue light indicating that its plugged in besides that NOTHING!...what can be wrong with it? anyone knows?