Well, as a follow up to my last post, I managed to pinpoint the weird sound problem in my GIGABYTE Aero 15 to the CPU. Apparently, the static-like/sizzling sound is being caused by idle cores, although the exact reason for it still eludes me. After much digging and some tweaking to the CPU C-States settings (hopefully I'm describing this properly, I'm not an engineer   ) I was able to reduce the weird sound to a minimum. Still have no idea what is the actual cause of the sound, but this… See More