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HX520 Startup Whine and Windows buzz


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I just got the HX520, before I was using an EarthWatts 500. Whenever I startup my system cold, the powersupply emits a high pitched whine, similar to a crt tv. But, once the psu warms up, the noise goes away.


Furthermore, ocassionally when I minimize and maximize windows using the taskbar, the psu emits a beep.


Is this indicative of a defective power supply.



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