Talk to Apple Support
If everything else fails, it’s time to talk to the professionals. If you can’t make your iPad charge properly again, be sure to contact Apple Support and ask them to take a look at your iPad.
Chances are, they’ll find a good way to fix the issue. Even if they don’t, they might give you another helpful solution.
To talk to Apple Support, you can go to an Apple Store near you or go to the Apple Support website and get some help there.