@sal10 sounds like a bad charging port. It is soldered to the motherboard. Use this guide [guide|60620] to get there. Then you need to remove the old port and solder a new one in. [https://www.youtube.com/watch?v=CKuXzSJj83g|This video] has some pretty good directions. The ports are available at places [https://www.ebay.com/itm/3x-Charging-Micro-USB-Port-Dock-for-Lenovo-TAB-2-A10-70-A7600-A3000H-10-1-/323704097844|like this]