If you’re anything like me, you really only touch the BIOS if you’ve just put together a new system, or you’re upgrading parts to an existing one. A quick tour of changing a handful of the usual settings just to get up and running, and that’s it. However, lurking in the depths of your motherboard’s firmware could be remnants of old troubleshooting steps, forgotten toggles, or poor default settings that are sneakily making your PC worse, and it’s a good idea to go through and tie up these BIOS loose-ends.