metyko Posted August 15, 2019 Share Posted August 15, 2019 Hello! When my pc is turned off (power supply switch is still on), my power supply emits a buzzing sound, which can be heard from about 1.5 meters away, when the room is quiet, for example at night. When the pc is turned on, the buzzing sound seems to disappear, at least I cannot hear it while the others fans are working. The psu is the Corsair RM750x, I just bought it. It is connected to a power strip, if that matters. It bothers me, because this psu is supposed to be pretty quiet unit. Should I get the unit replaced? Is this problem eligible for RMA? Rest of the system: ROG Strix Z390-E Palit RTX 2080 Gamerock i7 9700k HyperX Predator DDR4 RGB 16 GB Link to comment Share on other sites More sharing options...
Vegan Posted August 15, 2019 Share Posted August 15, 2019 check to be sure there are no loose screws so that any vibration is minimized Link to comment Share on other sites More sharing options...
Corsair Employee jonnyguru Posted August 15, 2019 Corsair Employee Share Posted August 15, 2019 Is your outlet grounded? Link to comment Share on other sites More sharing options...
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