Webcam on laptop does not work .

I need a new camera installed on my laptop I paid for a 3 year service warranty on this laptop and from day 1 webcam was not working I bought in 2017 there is a hardware problem error code 45. Webcam was not connected even with connection it works intermetiently I was turned down from employment cos webcam was not working. Please contact me Dion management urgently on ***.