loud buzzing noise from psu

ShimigamiReaper

Honorable
Dec 22, 2013
7
0
10,510
today when a turned on my pc from sleep mode it was making a very loud buzzing noise and it seems to be coming from the psu. after i heard the noise i immeadiatly turned off the computer and then i turned it on again and it did it again so now i am afraid to use my computer. the noise sounds like a flickering floresent light its very loud and noticeable. please help i dont wanna lose another motherboard because of a power supply
(antec bp550 plus) i have not overclocked anything in my computer
 

ShimigamiReaper

Honorable
Dec 22, 2013
7
0
10,510
it is in the case not the psu and the fans are at the top of my case and the psu is at the bottom where the noise is coming from my fans which are pwm came with quiet adapters which i think caused the problem