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Buzzing zzzzz sound from PSU

Last response: in Components
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September 13, 2010 4:19:19 PM

PSU Cooler Master Real POwer 750w
GC 2 ATI 4850 crossfire
CPU core 2 quad

i have this weird humming sound coming from my PSU whenever i try to play cysis or Grid.the sound cease whenever i close the game.

i have tried another power socket but problem persists.also change the driver.im confused as to why the sound only emitted when im gaming?

i have another PSU which emit bzzzzz sound all the time and i can simply solve that by using another power socket.

a b ) Power supply
September 13, 2010 11:32:41 PM

It is buzzing because you are putting the system under a greater load when gaming, making the PSU work harder and generate more heat. The PSU's fans are likely cranking at 100% when this is going on and making it noisy. You should be fine.
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a b ) Power supply
September 13, 2010 11:34:01 PM

It sounds to me like the fan and

Lol well, nevermind. COLGeek got it right. Well said.
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a c 144 ) Power supply
September 15, 2010 3:52:43 PM

Power supplies shouldn't buzz. The fans may whir loudly under load, but PSU's should not buzz.
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