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PSU Fan making a raging sound

Tags:
  • Power Supplies
  • Fan
  • Rampage
Last response: in Components
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September 23, 2014 11:49:43 PM

I turned on my PC today, and after a few seconds of pressing the start button, something inside my PC went on a rampage, which sounds like the PSU Fan, it was spinning so fast that i can't really describe it, after a few minutes of keeping the PC on, the sound got higher, and higher, it sounded like it was about to explode, it continued rising, and then just as i thought as it was going to explode, it just went dead silent, and continued running as normal.

The sound stops being very bad at about 5 minutes of the PC running, it gets back to normal about 10-15 Minutes since PC has started.

It's been doing that for 3 days now, any suggestions on what may the reason be, and how it could stop?

More about : psu fan making raging sound

a b ) Power supply
September 30, 2014 12:25:36 AM

Can you determine that it is, for certain, the fan on the PSU and not a case or CPU fan. If it IS the PSU fan, it likely has a problem with voltage regulation to the fan, the fan motor windings are shorting or there is a failure in the thermal sensors. It would be a very, very good idea to replace it if it is the source of the abnormal fan behavior. Be sure to pick a replacement that is at least Tier 3, preferably Tier 2B or above, on the following PSU Tier list:

http://www.tomshardware.com/answers/id-1804779/power-su...
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