estart the iPad 2: Press and hold down the sleep/wake on the front of the iPad 2 for few seconds until the red slider appears, slide this across to shut the iPad 2 down. Restart the iPad 2 by pressing the Sleep/wake button on the top until the Apple logo appears.
Reset the iPad 2: If restarting the iPad 2 doesn't work, you will need to reset it. You can do this by pressing the Home button and the Sleep/wake button on the top the iPad 2's case and holding them down at the same time for 10 seconds. The iPad 2 should then reset itself.
Restore the iPad 2
If neither of these two options fixes your unresponsive iPad 2, you will need to restore the iPad 2 to its original factory settings:
First make sure you have a USB 2.0 connection cable from Apple and the latest version of iTunes installed
Connect the iPad 2 to your Mac or PC and launch iTunes
In the Devices section click on the iPad 2 icon then the Summary tab, and then click on the Restore button
When prompted, click on Back Up to back up all your iPad 2's files and settings
Then click on the Restore button
This will restore your iPad 2 to its factory settings and install the latest version of the iPad 2 operating software. Once this is completed, the iPad 2 will restart.
You can now restore all of your iPad 2's media and settings from your most recent back up file.