How can unfreeze may ipad?

A reset may help. Tap and hold the Home button and the On/Off buttons for approximately 10-15 seconds, until the Apple logo reappears. When the logo appears, release both buttons.

No content is affected by this procedure.

Frozen or unresponsive iPad

Resolve these most common issues:

• Display remains black or blank

• Touch screen not responding

• Application unexpectedly closes or freezes

http://www.apple.com/support/ipad/assistant/ipad/

iPad Frozen, not responding, how to fix

http://appletoolbox.com/2012/07/ipad-frozen-not-responding-how-to-fix/

iPad Frozen? How to Force Quit an App, Reset or Restart Your iPad

http://ipadacademy.com/2010/11/ipad-frozen-how-to-force-quit-an-app-reset-or-res tart-your-ipad

Black or Blank Screen on iPad or iPhone

http://appletoolbox.com/2012/10/black-or-blank-screen-on-ipad-or-iphone/

What to Do When Your iPad Won't Turn On

http://ipad.about.com/od/iPad_Troubleshooting/ss/What-To-Do-When-Your-Ipad-Wo-No t-Turn-On.htm

iOS: Not responding or does not turn on

http://support.apple.com/kb/TS3281

Home button not working or unresponsive, fix

http://appletoolbox.com/2013/04/home-button-not-working-or-unresponsive-fix/

Fixing an iPad Home Button

http://tinyurl.com/om6rd6u

iPad: Basic troubleshooting

http://support.apple.com/kb/TS3274

 Cheers, Tom 😉