His friend has a laptop with a 6 Gig (I think) hard drive. He wants a more space and doesn't know what to do. My brother suggested an external HDD but he didn't know if you could boot to one or not?

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 ...

Apple makes it harder to make an external boot drive for your Mac than it has in the past, but sometimes you still need to do it. Here's how to do it in macOS Sequoia. Apple Silicon and macOS may be ...

Even making a successful clone of a bootable drive can get a bit tricky (see this article for a look at just how tricky it can get to restore from a bootable backup). Your success in booting from an ...

I'm looking to get an external bootable HDD to plug into my company laptop to run its own OS and be completely independent from the "in laptop" environment. I know my laptop supports bootable USB, ...

As noted by several MacFixIt readers, the iMac Core Duo (Early 2006) and presumably the not-yet-shipping MacBook Pros have the capability to boot from external USB 2.0 hard drives. MacFixIt reader ...