Instruction #1
1. Proceed only if you have iTunes installed on your PC.
2. If you do, connect your device to the PC and open iTunes.
3. Continue by pressing and holding Home button + Power button.
4. Feel free to release Power button after the screen goes black.
5. Hold the Home button as long as it takes! That is, until your device enters Recovery Mode.
6. There was not much to mess up on the way here, so you must now be in Recovery Mode.
1. In order to begin, press and hold Home button + Power button.
2. You can let go of the Power key when the device goes black.
3. Release Home button only after the Apple logo appears on screen.
4. Bravo. Thanks to following those three steps, your device should be working normally again.