I'd like to be able to boot to a command prompt from my usb key. For bios updates. My motherboard has this option as well. For some reason I have searched hi and low and cannot find an easy way to do ...

First off, a little context. I'm a 30+ year Mac user and I just bought my first PC in decades. I'm no stranger to Windows and Linux, but haven't used them as a desktop OS for about 15 years. My ...