…from:
https://support.apple.com/en-us/HT6671
If your iPad Pro stops responding and the screen is black
Learn what to do if your iPad Pro doesn't respond when you press buttons or tap on the screen, and the screen is black.
To get back to using your iPad Pro, force restart<https://support.apple.com/kb/HT201559> it by pressing and holding both the Sleep/Wake and Home buttons for at least ten seconds, until you see the Apple logo.
Apple is aware of this issue and is investigating.
This document will be updated as more information becomes available.
Last Modified: Nov 19, 2015
