Strange PSU Noise

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OllieB

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Mar 10, 2014
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Hi Guys

I recently built a new rig and went for a Corsair CS750M power supply. It seems to work however every now and then i get a ticking noise - lasts about 30 seconds then goes. To me, it sounds like the fan catching on something but that doesn't make sense because its not always there. There doesn't seem to be a relation to system load either - happens idling & under full load. Any ideas what it is? Should I RMA it?

http://audiour.com/isaj4hs4

Cheers

Ollie
 
Solution
HiTechObsessed
Sounds like the fan, definitely. And Brantyn, I think only the RM series from Corsair has no fan spin until past 30% or so load, but I may be wrong.

Try using a can of compressed air and blowing through the fan to get anything stuck out. If that doesn't work, get in touch with Corsair, they may send you a new one.
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IDontUnderstand

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Dec 29, 2012
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Corsair CX series are not using good capacitors inside of it (CX 430 is pretty good cuz it's so cheap and still better than other generic low wattage PSU by a lot)

The noise that you're hearing could (maybe) coil whine, which can cause by bad PSU, or specific system combination. If you still can, I would return it and get something else (I can recommend some depending on your full spec), or RMA and hope for the best.

Update: after you tried the fan testing from above.
 
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HiTechObsessed

HiTechObsessed

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Dec 3, 2013
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Sounds like the fan, definitely. And Brantyn, I think only the RM series from Corsair has no fan spin until past 30% or so load, but I may be wrong.

Try using a can of compressed air and blowing through the fan to get anything stuck out. If that doesn't work, get in touch with Corsair, they may send you a new one.
 
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