How to troubleshoot a power adapter or transformer that is making a loud humming or buzzing sound. | Sony USA
![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
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Weird buzzing from my charger and wasn't working last night. Checked it this morning and there's a weird bulge? Issue with my charger or the plug?? : r/applehelp
![S9 charger buzzing noise help! Only happens when either of our S9s are full. Two different chargers and happens in multiple sockets. It's a new house we live in. Is this just S9 charger buzzing noise help! Only happens when either of our S9s are full. Two different chargers and happens in multiple sockets. It's a new house we live in. Is this just](https://external-preview.redd.it/LR-sECWOTAvaIvmUziNyDuU0wgkqx0wI6xxFb3zWMaw.png?width=640&crop=smart&format=pjpg&auto=webp&s=834d10bc8d31241cf5e15be2dd912b9e17cfa669)
S9 charger buzzing noise help! Only happens when either of our S9s are full. Two different chargers and happens in multiple sockets. It's a new house we live in. Is this just
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