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New 780 causes PSU to buzz

post #1 of 6
Thread Starter 
I have an odd problem. I have an Antec TP750 running my computer. Have been for about two years. Prior to ordering my EVGA GTX 780 SC ACX, I had an EVGA 480GT. That card draws much more power than the current 780 does. The problem is when running games the 780 causes my PSU to make a buzzing sound. Not a high pitch squeel, more like if a small piece of plastic is barely stuck in the fan (like those plastic connectors that they use to pin a pair of socks together in the store).

I am not sure the problem, as the new card should draw less power than the old one. I never had psu issues before, no random reboots or shutdowns. Just a very annoying noise now. Thoughts?
Snugg
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post #2 of 6
Sounds like coil whine...I get it too with mine. I don't notice it that often but during the 3dmark ice storm its really bad. The sound changes as the scene changes. From what I read...it's harmless and should become less noticeable as the card "breaks in".
    
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i5 4670K @ 4.4 GHz MSI Z87 G43 MSI GTX 780 Corsair Vengence LP 1600 MHz 7 8 8 24 
Hard DriveHard DriveHard DriveOptical Drive
Intel 520 Series SSD 120 GB Hitachi 1 TB Intel X25-V 40 GB LG Blu Ray Drive 
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Corsair H50 Windows 8.1 Gateway FHD2303L Gateway HD2201 
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post #3 of 6
Thread Starter 
I thought so too, I checked out some videos on youtube and they all had high pitched noises on the video card, mine is more of a 'zzzzzz' not an 'eeeeee' and is coming from the psu.
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post #4 of 6
Yeah mine is definitely more high pitched like I have seen in the videos as well. The biggest thing that I notice about it though is the sound intensity and pitch change with the scenes changing. Does your card do that too or have more of a constant buzz?
    
CPUMotherboardGraphicsRAM
i5 4670K @ 4.4 GHz MSI Z87 G43 MSI GTX 780 Corsair Vengence LP 1600 MHz 7 8 8 24 
Hard DriveHard DriveHard DriveOptical Drive
Intel 520 Series SSD 120 GB Hitachi 1 TB Intel X25-V 40 GB LG Blu Ray Drive 
CoolingOSMonitorMonitor
Corsair H50 Windows 8.1 Gateway FHD2303L Gateway HD2201 
KeyboardPowerCaseMouse
MaxKeyboard Seasonic 750W Thor V2 Logitech G500 
AudioAudio
ASUS Xonar DG SteelSeries Siberia V2 
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CPUMotherboardGraphicsRAM
i5 4670K @ 4.4 GHz MSI Z87 G43 MSI GTX 780 Corsair Vengence LP 1600 MHz 7 8 8 24 
Hard DriveHard DriveHard DriveOptical Drive
Intel 520 Series SSD 120 GB Hitachi 1 TB Intel X25-V 40 GB LG Blu Ray Drive 
CoolingOSMonitorMonitor
Corsair H50 Windows 8.1 Gateway FHD2303L Gateway HD2201 
KeyboardPowerCaseMouse
MaxKeyboard Seasonic 750W Thor V2 Logitech G500 
AudioAudio
ASUS Xonar DG SteelSeries Siberia V2 
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post #5 of 6
Thread Starter 
It's louder under strain. I loaded up Guild Wars 2 and max settings it was louder than at min settings.
Snugg
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post #6 of 6
I suppose the only way to really know is switch out the PSU if you have a backup and see if it goes away....but not everyone has an extra one laying around.

Cant think of anything else it could be, prob not a bad idea to check the Antec forums and see if anyone else has the same issue.
    
CPUMotherboardGraphicsRAM
i5 4670K @ 4.4 GHz MSI Z87 G43 MSI GTX 780 Corsair Vengence LP 1600 MHz 7 8 8 24 
Hard DriveHard DriveHard DriveOptical Drive
Intel 520 Series SSD 120 GB Hitachi 1 TB Intel X25-V 40 GB LG Blu Ray Drive 
CoolingOSMonitorMonitor
Corsair H50 Windows 8.1 Gateway FHD2303L Gateway HD2201 
KeyboardPowerCaseMouse
MaxKeyboard Seasonic 750W Thor V2 Logitech G500 
AudioAudio
ASUS Xonar DG SteelSeries Siberia V2 
  hide details  
Reply
    
CPUMotherboardGraphicsRAM
i5 4670K @ 4.4 GHz MSI Z87 G43 MSI GTX 780 Corsair Vengence LP 1600 MHz 7 8 8 24 
Hard DriveHard DriveHard DriveOptical Drive
Intel 520 Series SSD 120 GB Hitachi 1 TB Intel X25-V 40 GB LG Blu Ray Drive 
CoolingOSMonitorMonitor
Corsair H50 Windows 8.1 Gateway FHD2303L Gateway HD2201 
KeyboardPowerCaseMouse
MaxKeyboard Seasonic 750W Thor V2 Logitech G500 
AudioAudio
ASUS Xonar DG SteelSeries Siberia V2 
  hide details  
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