Charging Port On Ipad Pro Not Working. Try a different USB cable or charger. A Faulty Lightning Charging Port Sometimes the connector on your iOS device can wear out or break.
Force Restart Your Device. Turn the iPad upside down and shine a flashlight into the port. The first thing to try when your iPad is not charging is performing a hard reset.
When attempting to charge through the Magic Keyboards port.
Use a wooden or plastic toothpick and clean out the port on the bottom of iPad to make sure theres nothing stuck in there. Press and hold the Home button and the power button at the same time until you see the Apple logo flash onto the center of the screen. This accumulation might be causing bad connection to the charging USB cable. Update iOS or iPadOS on your device.