As I see it, either the software is corrupt or you have a hardware issue. Unless you are experienced in flashing devices, it needs to be checked over by a professional. You can research this but I'm afraid it's against forum rules to discuss this topic.
If the issue still persists, I'd advise getting this inspected by one of our engineers. You can locate your nearest Support Centre by clicking on the following link:
Or you can get in touch with our Product Support and they can arrange for the repair: