Currently Being ModeratedFeb 10, 2013 8:41 PM (in response to Enderman)
See Here > http://support.apple.com/kb/HT1808
You may need to try this More than Once...
Be sure to Follow ALL the Steps...
But... if the Device has been Modified... this will Not necessarily work.
Currently Being ModeratedFeb 11, 2013 5:48 AM (in response to Enderman)
- Also try DFU mode after try recovery mode
- 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.
- If still not successful that usually indicates a hardware problem and an appointment at the Genius Bar of an Apple store is in order.