Hello, Recently I've been hearing an annoying strange random high pitch noise coming somewhere from my PC. It's so random that i's being hard to make sure what's causing it. It's one of those annoying sounds that seem to go away when you put your ear next to the case and comes back when you back off and start using the PC. I did manage to record it by placing a microphone right behind the PC case and removing background noise. It feels like it's coming from the PSU, but I decided to use a stethoscope (yeah lol it's like I'm playing doctors with the PC...) and placed it on top of the PSU fan grill and haven't heard anything special from the fan itself when the high pitch noise was present. Anyone find the type of sound familiar and could help me identify if the source is really a fan or something else? Link is above right in my first phrase. Thanks.