try a new cable. That fixed mine I got it off Amazon. If that doesn’t work you’ll have to try and find somebody who can solder a new USBport on it or get a new main board if you can find one to match. Or even do some swapping like the following link explains this probably requires extremely advance soldering skill. https://www.youtube.com/watch?v=LpImzz2p... I realize this is a pretty old post but I came along this today.