So I have a white macbook that I bought in 2007. My apple care is now up and I need help. When I plug it in the charger won't turn from the green light to the amber light to show it is charging. Well I thought it may be an issue with my charger, so I bought a new one. But it still won't charge. I also tried taking out the battery and putting it back in. Still isn't working. I don't know what to do. Do I need a new battery? Is my computer dead for good? I have been...