@Berejm , welcome to the Community.
It is difficult to know what is causing the ticking sound within the PSU. You should definitely contact the seller for a replacement. It will only get worse and could cause major component failures if it shorts out.
Please click the Thumbs up + button if I have helped you and click Accept as Solution if your problem is solved.


I am not an HP Employee!!
Intelligence is God given. Wisdom is the sum of our mistakes!!