How to troubleshoot a power adapter or transformer that is making a loud humming or buzzing sound. | Sony USA
When I have a USB cord plugged into the power board, I hear a high pitched noise and then when I remove the cord, the sound stops. No one else hears this.
![Amazon.com: uowlbear Xbox One Power Supply Brick with Power Cord, Replacement AC Adapter Charger for Xbox One Console 100-240V Auto Voltage Low Noise Version -Built in Silent Fan : Video Games Amazon.com: uowlbear Xbox One Power Supply Brick with Power Cord, Replacement AC Adapter Charger for Xbox One Console 100-240V Auto Voltage Low Noise Version -Built in Silent Fan : Video Games](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/71eRPzA0zaL._AC_UF350,350_QL80_.jpg)
Amazon.com: uowlbear Xbox One Power Supply Brick with Power Cord, Replacement AC Adapter Charger for Xbox One Console 100-240V Auto Voltage Low Noise Version -Built in Silent Fan : Video Games
![My charger is making a lot of noise when I plug it in. Guessing it's the fan. What gives? Everything was fine yesterday. : r/ebikes My charger is making a lot of noise when I plug it in. Guessing it's the fan. What gives? Everything was fine yesterday. : r/ebikes](https://i.redd.it/6n7qvx3b5fr91.jpg)
My charger is making a lot of noise when I plug it in. Guessing it's the fan. What gives? Everything was fine yesterday. : r/ebikes
![laptop - Power supply makes high frequency noise, is it damaging my battery? (or other parts of the computer) - Super User laptop - Power supply makes high frequency noise, is it damaging my battery? (or other parts of the computer) - Super User](https://i.stack.imgur.com/moQwP.jpg)
laptop - Power supply makes high frequency noise, is it damaging my battery? (or other parts of the computer) - Super User
![My LED aquarium light seems to be making a buzzing noise after I moved and changed power sources. It's coming from the plug, not the light itself. Is this dangerous? I don't My LED aquarium light seems to be making a buzzing noise after I moved and changed power sources. It's coming from the plug, not the light itself. Is this dangerous? I don't](https://i.redd.it/8v9kpicqwl981.jpg)
My LED aquarium light seems to be making a buzzing noise after I moved and changed power sources. It's coming from the plug, not the light itself. Is this dangerous? I don't
![Xbox One Power Supply Brick, [upgraded Version] Xbox Ac Adapter Replacement Charger Power Cord Cable For Microsoft Xbox One,100-240v Voltage | Fruugo US Xbox One Power Supply Brick, [upgraded Version] Xbox Ac Adapter Replacement Charger Power Cord Cable For Microsoft Xbox One,100-240v Voltage | Fruugo US](https://img.fruugo.com/product/2/41/176442412_max.jpg)