Hey bellabeanbag,
Thanks for the question. The following resource outlines troubleshooting steps if your iPad is not responding:
iPad: Basic troubleshooting
http://support.apple.com/kb/TS3274
If iPad won't turn on, or the display stops responding
Follow these steps, testing after each:
1. Turn the iPad off and turn it on again. Press and hold the Sleep/Wake button on top of iPad for a few seconds, until a red slider appears. Then slide the slider. Then press and hold the Sleep/Wake button until the Apple logo appears.
2. Reset iPad. Press and hold the Sleep/Wake button and the Home button at the same time for at least ten seconds, until the Apple logo appears.
[…]
If iPad still won't respond after you restore it
Follow these steps, testing after each:
1. If you receive an alert in iTunes while restoring your iPad, refer to this article for instructions on how to resolve common issues with updating and restoring.
2. If you cannot restore your iPad in iTunes, or if iTunes does not recognize the device, refer to this article for instructions on restoring using recovery mode.
Thanks,
Matt M.