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iPad Fan
When an app behaves strangely it is best to close it completely and then relaunch it. From the home screen do the four finger swipe up or double press the home button to reveal your multi task bar. These are all the apps that you have opened at one time. If you have updated to IOS7 - just swipe up on the image above the app icon to close it. If on an earlier OS - Long press the app until it jiggles and a red minus sign will appear above it. Press the minus sign, this will close the app, not delete it, now press the home button to return to your screen. It's also a good idea to close all these apps regularly, as it helps the iPad run smoothly
Thank you for your suggestion, but I have tried this and close unwanted apps.