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Charging dock makes a noise


New Member
We have a 7 month old nintendo switch with charging dock. Everything works fine but my son has noticed a sound coming from the back of the unit when everything is plugged in and charging. I could hardly hear it but now he is worrying something is wrong with it. He is off to uni in October and wants mske sure he has plenty of time before then if he needs to send it away any where to get it checked out.
Anyone else heard a quiet high pitched sound sound coming from the box that you plug the various leads into?


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