Coil whine is an irritating phenomenon where high-pitched noises can come from a graphics card, motherboard, or power supply. Sometimes it can be obvious, but sometimes it can also be difficult to ...

Over the past month my computer has been emitting this high pitch whine. It's near-ultrasonic, like a dog whistle or something, but unfortunately very audible to me - and my brother. My wife thinks ...

Got pretty loud coil whine when I plug in my fancy new USB mouse (gaming mouse that I got for work because of ergonomics). Never happened before. Comes from the motherboard, as far as I can tell.