Question Computer won't boot, just buzzing noise from motherboard?

[Desmond wong 623]

Hello my computer won't turn on after I plug in my Corsair 550w PSU just like usual and the z390 chipset on the board making buzzing noise when I turn on the power supply
The buzzing noise

 

[rgd1101]

was it a working system before you change the psu?

full system spec? include model of the psu