well i was having the same situation, but then i saw this thread and did all the steps it did not work 🙁 i look and checked my motherboard and unpluged everything that is plugged in my motherboard. oh and the battery and the charger is fine. I need help! please some respond to my thread I'm here in the philippines and repair here are expensive plus the repair people aren't loyal with there job. what i mean by that is they replace stuff that aren't suppose to be exchange example: good to bad rams