How To Fix A Cable Cord Clear Explanations How Do You Fix A Cable Coming Out Of The Wall?

How do you fix a cable coming out of the wall? - how to fix a cable cord clear explanations

My son cord from the wall, very sure that your coaxial cable is broken a bit. How can resolve. Only the tooth, but I have to lock the outside, but still very bad and makes the image look really poor. Should I come with my cable company to fix it or is there an easy way to do it myself.