Ordinarily, this isn't a big deal when all you're doing is using it as a music player or an external storage device. Putting an OS on it, however, is a different kettle of fish: lots and lots of ...

When something goes wrong with your Mac, it's a boon to have a separate, external drive that you can work from — but Apple no longer makes that easy. Here's how to do it. The short answer to how you ...