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HX620 and HD4870 Buzzing noise


Buzzing

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Hello,

 

I have squealing noise coming from the PSU each time the FPS goes over 400+, mainly happens in games menu, also in AtiTool Show 3D View or the artifact scanner. I tried with my old GeForce 8600GT and there was no noise. The system is working fine but this noise worries me as I fear it can make problems in future.

Also, Turning V-Sync ON in games with the HD4870 eliminates the noise.

 

here are some videos showing exactly the squealing that I have:

http://www.youtube.com/watch?v=up_axOyd1Z8

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  • Corsair Employees

The noise would not indicate any functionality problem with the PSU, or any risk of damaging any components. If enabling Vsync solves the problem, then I would suspect the card itself or the video drivers have something to do with the noise.

 

One possibility is that the voltage regulation is not as good as it should be on your graphics card, and there is "feedback" trailing back up the PCIE cable causing a capacitor in the PSU to cause this buzzing/squealing sound. If you were able to duplicate the same buzzing/squealing in safe mode, or by running non-3D apps, or on multiple video cards then I would say its much more likely the PSU would be the problem.

 

I would test the PSU in a different system to see if you get the same problems, or test a different video card in your system. If all else fails, then we can try replacing the PSU for you, however if you have the same issues with a replacement, then there is definitely some other issue.

 

If you decide to get the PSU replaced, please use the On Line RMA Request Form and we will be happy to replace it. Be sure to check the box that says “I've already spoken to Technical Support and/or RAM Guy.”

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The noise would not indicate any functionality problem with the PSU, or any risk of damaging any components. If enabling Vsync solves the problem, then I would suspect the card itself or the video drivers have something to do with the noise.

 

One possibility is that the voltage regulation is not as good as it should be on your graphics card, and there is "feedback" trailing back up the PCIE cable causing a capacitor in the PSU to cause this buzzing/squealing sound. If you were able to duplicate the same buzzing/squealing in safe mode, or by running non-3D apps, or on multiple video cards then I would say its much more likely the PSU would be the problem.

 

I would test the PSU in a different system to see if you get the same problems, or test a different video card in your system. If all else fails, then we can try replacing the PSU for you, however if you have the same issues with a replacement, then there is definitely some other issue.

 

If you decide to get the PSU replaced, please use the On Line RMA Request Form and we will be happy to replace it. Be sure to check the box that says “I've already spoken to Technical Support and/or RAM Guy.”

 

I don't hear any noise coming from PSU in safe mode, windows and when playing games , even I got 300FPS in a game and I didn't hear any noise.

But the noise only happen when I open "show 3d view" or "artifact scanner" in ATiTool program and it is really audible and the FPS at this time is 2000FPS. My old PSU 450w doesn't make any noise in ATiTool with same components.

Although I didn't encounter any stability problems, system has been running for 7 days without any shutdown or restart.

I also tried the new "OCCT" power supply test and I didn't hear any noise coming from PSU and the test has completed successfully.

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We can try replacing the PSU if you like, however you may want to contact the video card manufacturer and get their take on it. If they try to tell you that the PSU is not powerful enough, tell them that its got 50 amps on a single 12v rail, and we guarantee the unit to deliver this amount of power at temperatures of up to 50 degrees Celsius.
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