If you accidentally damage your Kindle Fire’s screen, then you can try and fix the problem yourself. If you have scratched the surface then you can use scratch remover products. If the sides have cracked or gotten scratched, you can fill them up with toothpaste and then you can scrape of the residue and leave it out to dry. You can also try and get the screen repaired by a professional.
You can buy a screen for your Kindle Fire and replace it yourself if you have the right tools and if you know how to do it. You can buy these tools and the screen itself from several online stores. Make sure that you but your Kindle Fire screen which is apt for your model. If all this doesn’t work, then there might be some internal or software problem. You should submit your Kindle Fire to a professional repairing shop so that it can be taken care of in the right way.