Possible PSU problem, need some advice please

Man of Honour
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8 Nov 2007
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Hi guys,

Not sure if I have a faulty PSU or not but when the mains power is switched on and the PC is still off at this time, my PSU has a loud constant hum/buzzing, and I've not noticed it with any other PCs I had in the past?

Its a Coolermaster Real Power 850w? I've had it for about 3yrs now but I think its been like this for a while now, just don't want it to go pop on me! Its got a 5yr warranty as well, so if it is a problem then I'll get in touch with them.

Cheers :)
 
Also do these voltages look right? the +3.3v line is only showing 2.11v!!

mkm6c.png
 
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