Compaq presario wont turn on

My laptop got the same problem. The Port on the back for the ac adpator well that is probley coming off your motherboard. if its really lose back there then your one of many who have expericed the same issue. Your gonna want get this checked out because you can seriuosly fry your computer if its not taken care of. You need to get it soldered its like 50 dollors for an hours work at an electronics repair shop.