This is the adapter

When I connect it to the TV and change the TV to the appropriate AV my laptop does not pick it up. You are obviously meant to click the TV and it will send out the TV signal but it does not pick it up at all.
This is what it has:

Is there something that I am missing? I thought that all that is required is to connect it and go onto the display settings and click TV. unfortunatly my TV does not have VGA so I cant connect it straight to VGA.