Why Ipad Not Charging When Plugged Into Computer. Check the computers USB port the iPads charging port and the cable for any damage or debris or dust that might be stuck and preventing a good connection. A powered USB hub docking station or other Apple-certified accessory.

Two Apple experts explain what to do when your iPad is not charging. When youre charging your ipad through a computer plug your charging cable into a usb 2030 port ensuring that the computer isnt in. When attached to a computer via a standard USB port most PCs or older Mac computers iPad will charge very slowly but iPad indicates not charging.
Theres nothing you can really do about this unfortunately.
A standard USB port can output 25W. Plug the charger to another socket and see if it will work. Try switching the port unplug the usb charging cable from the usb port you currently have it plugged into. Inspect the lightning port for signs of dust or debris.

