Ipad Pro Not Charging When Connected To Pc. If everything checks out try the following fixes. At times when you plug your iPad into a computer or a Mac for the first time the USB port might not recognize it.
Press and hold both the Side or Top button and the Home button until you see the Apple logo. How-to Charge iPad Faster with Computer. If your iPad Pro is charging you only see the red battery.
Apple looks for specific voltages on the data pins.
Let your iPad charge for another half hour. Press and hold both the Side or Top button and the Home button until you see the Apple logo. Its an apple issue. Connect it to a wall outlet to make sure that it charges.