PC Loud Pop

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EliJohn922

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Jun 25, 2014
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I'm not entirely sure what the noise was but I was sitting at my desk with my recently built PC turned off and I suddenly hear a loud pop noise. What could this have been? Any ideas? I just built this Computer not too long ago and I'm fairly freaked out something went wrong inside the computer. But like I said it may have been something else though I was only checking my phone with my XBox on while using the phone.
 
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cklaubur

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Oct 4, 2006
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Certainly sounds like a bad cap. Probably in the power supply, since you mention the computer being off, and the primary side of the power supply is energized as long as the power supply is plugged into the wall. I've had one in a power supply pop just by plugging in the computer once. That pop is very scary when your hand is near the fan grill.

Casey
 
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smackers_12

smackers_12

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Jul 4, 2013
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Same thing happened to me turning on my power supply, went off like a firecracker with a red flash. scared me half to death.
 
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ib2007

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Dec 7, 2011
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Yes they do that, especially if the hardware is brand new. Makes you freak to hell. I mean I could understand something happening to old hardware you had for a while things go wrong and go bad, but when it's a new system things are supposed to be tested properly no?
 
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smackers_12

smackers_12

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Jul 4, 2013
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It was old and it was crap hardware. I never bought a cheap psu again. But back to the ops problem. Op does the system turn on
 
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