Problem with charger in DEll Inspiron

Hello

My name is Peter humberd Corvallis

I have dell Inspiron 1 year old.The charger plugged into the wall seems to work, but I have to continually wiggle the connection into the computer to have it charge. I brought new charger few months back but i didn't found any solution.Please help me with your answer.

Thanks

Peter humberd Corvallis