Step 1. Start iTunes and then connect your iPad to the computer using a USB cable
Step 2. Force your iPad into recovery mode (press the top button and volume button until the slider appears. Slide to turn off your device;
Step 3. if you have an iPad with a home button, the procedure is almost the same, press the Top button until the slide appears and while connecting your iPad to the computer, press the Home button)
Step 4. You will get a message on your computer that your iPad has a problem and you need to restore it
Step 5. Press the “restore” button.