Ipad doesn’t respond, This accessory is not supported by ipad“ appears, Connect-to-itunes screen appears – Apple iPad iOS 4.2 User Manual

Ipad doesn’t respond, This accessory is not supported by ipad“ appears, Connect-to-itunes screen appears | An app appears too small, Onscreen keyboard doesn’t appear | Apple iPad iOS 4.2 User Manual | Page 162 / 181