A recovery USB drive is a separate, portable flash drive that your computer can use instead of your main hard drive to start up from. Whatever issues you're having on your system can be bypassed ...

Before you write off the USB drive, you have several options at your disposal. First, you should check that the drive is correctly connected to the computer. Changing the USB port can sometimes help.

Who hasn't wondered or dared to dream exactly how many USB devices you can connect to a single PC? Or how many unpowered USB hubs you can daisy chain?

You can create a portable PC on a USB stick and run it from anywhere. Here's a step-by-step guide on how to do it with Linux.

If you're worried about an unknown USB drive, there's a way to test the device without risking your devices get overcome by a USB killer or worse.