PSU making slight clicking noise when i got back from leaving it on for a few hours. It never has done this before and only happens when i flick the switch at the back to on . When i start the pc it starts to get louder. Its not the psu fan i know that. Thanks in advance.
OCZ ZS 750w psu
P8z77 -v lx mobo
I5 2500k
OCZ ZS 750w psu
P8z77 -v lx mobo
I5 2500k