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Small ticking sound from psu when turning comp on.

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  • Power Supplies
  • Computers
  • Components
Last response: in Components
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September 14, 2012 6:42:36 PM

Is it normal? I have a Seasonic X 1050. When I turn my computer on, the psu makes a small tick/click sound, not loud, but loud enough to make me wonder what it is. Can anyone tell me what it might be?

Thanks for answering!

More about : small ticking sound psu turning comp

September 14, 2012 6:46:14 PM

After listening when turning the computer off I noticed it makes the same sound when turning off.
a b ) Power supply
September 14, 2012 6:51:15 PM

egil87 said:
After listening when turning the computer off I noticed it makes the same sound when turning off.


It is hard to say without knowing the construction of the PSU. In some units, a large inductor is being energized at switch on, and de-energized at switch-off, and this sometimes makes a tick sound, almost like a relay being engaged.

But usually it is nothing to worry about.
!