I have with me is a ceton cable card ,bu I don’t have the cable card from wow.can I do a self –installation with the card which I had picked up from a local wow offfice and conacted wow office they said a technical person will be nneded for it I want to know that cannot I do the installation myself if its possible because I am using wow internet from over a year long period pls help me out with it . your recommendations will be higly appreciated.