for some odd reason my derailiuer wont go into first gear. if i dosconnect the cable, and push it it goes up to second, and just stays there, and i can push it anymore. Does this mean i need a new one? Oh btw this a huffy SE roadbike

high and low restrictions screws are set correctly?
pics!
info!
specs!

oh i knew i was forgetting something, thanks for the help, it's the restriction screws