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PSU is making noise after installing new video card

post #1 of 8
Thread Starter 
I have a PC Power & Coolin 750w PSU. I've had it like 3 years or so. It's worked great. This question relates to my sig rig. I'm not overclocking anything at the moment.

I just installed a GTX 580 in it today and notice that the PSU makes an ugly buzzing sound now, but only when playing games. I'm assuming this is because of the higher load than I had before with the GTX 260 card. The buzzing isn't LOUD, but it's loud enough to be clearly heard above any other components and it isn't a solid hum type of buzz... its varied.

My sig rig should barely need 400-450 watts... even with the GTX 580 so the PSU can't be over-stressed. No fan obstructions in the PSU etc, and yes I am 100% positive its coming from the PSU.

I'd hate to replace it just because of this but worry about it going out and frying my other stuff. What do you think? Is this a sound to worry about? Should I replace it?
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2017
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post #2 of 8
I can only assume it's just coil whine due to increased load.
Edited by pjBSOD - 11/2/11 at 2:57pm
post #3 of 8
it's not the psu but the video card buzzing... my 570 does a noticeable buzzing when folding when gaming i hardly hear it because of the game noise... Don't worry it's normal
post #4 of 8
Thread Starter 
Thanks for the replies.... I am 100% positive that its coming from the PSU and not the video card. I have an antec case with the side panels off. The PSU is a good ways away from the video card and the sound is clearly coming from in there.

I just looked and apparently I have a 7 year warranty on the PSU so I guess I will look into that.
2017
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Crossover Corsair HX750 Corsair 650D 
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2017
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CPUMotherboardGraphicsRAM
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Hard DriveOptical DriveCoolingOS
Samsung 960 Pro 512GB Lite-On BD Corsair H100i V2 Windows 10 64 bit 
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Crossover Corsair HX750 Corsair 650D 
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post #5 of 8
Quote:
Originally Posted by Hindsight View Post
Thanks for the replies.... I am 100% positive that its coming from the PSU and not the video card. I have an antec case with the side panels off. The PSU is a good ways away from the video card and the sound is clearly coming from in there.

I just looked and apparently I have a 7 year warranty on the PSU so I guess I will look into that.
Yep. Coil Whine. Look into the RMA.
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Simplicity
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#2 PC
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CPUMotherboardGraphicsRAM
i5 6600k MSI Gaming Z170A EVGA GTX 980 Classified Crucial Ballistix Tactical (2 x 8GB) DDR4 2666 
Hard DriveCoolingOSMonitor
Samsung Pro 950 Cryorig H7 Windows 7 Ultimate x64 CrossOver 2560x1440 IPS 
PowerCaseMouseMouse Pad
Rosewill Capstone 550-M Phanteks Enthoo Pro RAZER Abyssus Mirror Special Edition XTRAC Ripper 
AudioAudioAudioAudio
Asus Xonar Essence STX Dayton Audio B652 Lepai Tripath Class-T Hi-Fi Audio Mini Amplifier 8 Inch 60-Watt Powered Subwoofer 
CPUMotherboardGraphicsRAM
Intel q9300 Intel DP45SG MSI TFII GTX 660 Corsair Dominator 1333 
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post #6 of 8
Are the voltages still within spec? If they're not, I suggest using a different psu until you can rma, if possible.
post #7 of 8
I haven't had a PSU in the last 2 years that didn't coil whine under GPU load... its kind of annoying to be honest. The AX1200(x2) and AX850 (x2) were the worst, my no-name brand 600w was actually perfectly silent compared to all the "high end" ones, Antec HCP1200 was silent too. I stopped trying to replace them for that because it doesn't seem like I will get one that is quiet any time soon.
post #8 of 8
mine does tthe same you're right it comes from the psu and it's totaly normal...
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