iPad mini not responding to touch
How do I fix this, I have already rebooted the iPad by holding power and home button down, this did not resolve the issue.
iPad mini, iOS 9
If you have an original iPad Mini, it is getting up there in years. Try all the suggestions in this Apple Support article, but if nothing helps, it's time to schedule an appointment at your Apple Store Genius Bar for evaluation and options: Get help with the display on your iPhone, iPad, or iPod touch - Apple Support