nitk Posted December 21, 2007 Share Posted December 21, 2007 Hi, I'm corsair's customer from Thailand. This is my first post, I'm apologize for my poor English. My goal is to make silent PC. So I decided to buy HX-520 (judged by recommended articles from silentpcreview.com) For the first time I turned on power supply, I notice small clicking noise come from the PSU fan. Then I goto retailer shop and ask for replacement. After returned home, I test the second PSU and I still notice the same clicking noise. At that time I think that noise might be normal characteristic for this PSU. But after a while, I do searching and found many people talk about clicking noise in corsair PSU. I think my PSU might has a defect, but the policy of retailer shop will allow replacement within 5 day (but now it is 10 day) I'm quite sure that the noise is come from fan. Because I try to stop fan with cotton buds, then the noise gone. I have recorded the noise, so anyone can tell me that it is normal or not. 15 CM Away from PSU Stop the fan then allow it to spin Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted December 22, 2007 Corsair Employees Share Posted December 22, 2007 Many times, the clicking/buzzing noises come from the PFC filter circuitry or components used in the AC-DC conversion process, and these components all can react differently based on how clean the power source is. A unit that performs silently here in the lab may buzz or click in a house with older wiring, or a room with a failing battery-powered UPS, or any number of other things. If the noise stops when you stop the fan, then I would suggest that you loosen the fan screws on the bottom of the unit about a 1/4 turn, and see if anything changes. Link to comment Share on other sites More sharing options...
nitk Posted December 22, 2007 Author Share Posted December 22, 2007 Thank you for you reply. :biggrin: In Thailand we use 220V. I didn't use any UPS and the noise also occur in my friend's house (far diffrent location). I just try to lossen the fan screws about a 1/4 turn, it doesn't make any different. Then I try to remove all the fan screw and try to adjust fan position. The noise level is drop a little. Next I try to slow down fan speed by cotton buds. I discover that the clicking noise disappear at lower fan speed. By the way, do you listen to my WAV file ? Dose it same as the clicking noise that other people talking about ? Link to comment Share on other sites More sharing options...
nitk Posted December 22, 2007 Author Share Posted December 22, 2007 Now I've found solution. I using a wire to push down the fan and make fan not to moving up or down. The clicking noise almost gone. that make me very satisfy :D: If anyone what to use this method, please make sure that the wire not too much tight to make fan stop spining. http://nitikorn.s.googlepages.com/520HX-ApplyWire.jpg Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted December 26, 2007 Corsair Employees Share Posted December 26, 2007 Glad to hear you came up with a solution! If you ever wanted to get the unit replaced, we would have no problem doing that for you. So if the clicking comes back let us know! Link to comment Share on other sites More sharing options...
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