The optical out port on the PC is a bit of a mystery to a lot of people. It sits in the back of your PC, emitting a permanent red laser glow whether or not something is plugged into it. It almost looks like you’re meant to plug something into it, but what? The answer is, logically, an optical audio cable, and here we’ll show you how to get it working, with the caveat that it’s become rather clunky to properly utilize on Windows 10 in recent years. Related: Audio Wars: Digital (S/PDIF) vs. HDMI vs. Analog How to Enable Optical (S/PDIF) Audio on PC… Read more