Dell tackles XPS 15 (9570) coil whine noise in new BIOS update

[Windows Central]

Say bye bye to coil whine (hopefully) with the latest XPS 15 BIOS update.

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.

Full story from the WindowsCentral blog...