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HX750 making a weird noise

  • Power Supplies
  • Fan Controller
  • Components
Last response: in Components
March 21, 2012 12:04:14 AM

Hey guys. So I just installed a new fan controller and some new fans and my PSU seems to be making a new noise! :o  It is a very, very high pitched tone. I can get right next the to back of my computer and hear a high pitched almost squeal-like sound. The only reason I worry is bc is ismply was not doing this before! Any ideas?

p.s. I am only running a single 6950 and an i7 920 so i KNOW there is no way that thing is maxing out. (if that would even cause such a noise. thanks!

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a b ) Power supply
March 21, 2012 1:12:45 AM

That's coil whine. Google it. Take the fans out and see if the noise persists, then try without the GPU. It's generally harmless, but fans shouldn't cause it.
March 21, 2012 1:15:55 AM

Best answer selected by fultonloyn.