Ultrasound from the system unit?

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Ultrasound from the system unit? and got a better answer

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Response from 0[+++++]
Throttles on the video card, is it not from MSI by any chance?

Response from 0[+++++]
It's the transformer on the unit could be a short on the unit. and

Response from 0[+++++]
The chokes in the PSU are whistling, apparently there is nothing wrong with that.

Response from 0[+++++]
not ultrasonic, but high-frequency sound usually squeaks winding products - chokes and transformers try to find where try with another PSU. load the machine. listen. if the sound has not changed, then presumably it is the video card on the motherboard chokes are the same, but their squeak is unlikely


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