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HX520W cold start noise


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I have a 3 1/2 year old Corsair HX520W PSU that is causing me some concern.


Over the last month or so it has started to make a clicking/tapping sound after a cold boot. It lasts a few minutes then the noise goes. It only happens after my PC has been off for a few hours or longer.


Other than the noise it seems to be working as it should. I've never had any problems with it from day one.


I thought maybe there is some dust in there, although i do keep my PC as dust free as possible.


Maybe it's on it's way out? Any help greatly appreciated.

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