Currently Being ModeratedJul 21, 2013 3:17 PM (in response to katherine1216)
You may have to go to steps 2 and 3 above
2 - Also try DFU mode after try recovery mode
3 - If not successful and you can't fully turn the iOS device fully off, let the battery fully drain. After charging for an least an hour try the above again.
4 - Try on another computer
5 - If still not successful that usually indicates a hardware problem and an appointment at the Genius Bar of an Apple store is in order.