If you are feeling brave you can take it apart and try to fix it yourself - I believe the link above has a walkthrough on how to take the tablet apart but you might have to figure the rest out from there.
Otherwise your best bet is to send it in for repair, or if you want you can get a [http://www.amazon.com/gp/product/B00B2166BS/ref=as_li_tl?ie=UTF8&camp=1789&creative=390957&creativeASIN=B00B2166BS&linkCode=as2&tag=30yeaoldchi-20&linkId=IK3RHJZOISQ6Q45U|pogo] charger. It uses the gold connectors on the bottom to charge, and actually charges a lot faster too. I would recomment it.