"Its wasn't working"
Thank you for that highly descriptive information, I can really start to narrow things down from that.
How is it not working????? Does the tv turn on, is it black screen, is it the black and white static?
What TV?
What DVR or cable box?
Are you using cable package (like from Cox, Comcast, Time Warner, etc), satalie (DirecTV or Dish Network), or free over-the-air antenna??
If antenna where is it mounted??
What troubleshooting steps have you done?
Do you have more then one TV in your home to test?
Are we even talking about your cable service being bad, or are you meaning you cant see a game console or other connceted device?