About a month and a half ago I decided to buy new parts for my PC - a new motherboard, processor, video card and sound card. After a short time I started to notice a high pitched whistling noise, ...

There are few things more annoying than coil whine – the high-pitched noise your laptop's processor can sometimes make when under heavy load – when you're sitting down to get some work done or gaming.

You turn on your PC, start up a particularly taxing program, and then—you hear it. A high-pitched sound emanating from somewhere as if your ears are ringing. You're not going crazy, it's coil whine, ...

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 ...