My computer will not turn on!

I bought I brand new charger about 2 years ago it seems like it still works because the light turns on when I plug my charger in but it will not charge. There is no light on the laptop indicating that it is charging. so I am not sure if I need to buy a new battery or what. I dont have the money to drop it off and have someone fix it for $$$$. I just need to know what I need to do! please help. It wont turn on at all!! I have so many pictures and videos on this!