Add Yahoo as a preferred source to see more of our stories on Google. Plug the external hard drive into your computer using its USB cable to access the files on it. If the drive doesn't appear, try ...

The worst-case scenario has befallen even the most careful computer user: a coffee mug spills on your laptop or an update wipes all your files and photos. Despite your best effort, accidents happen.

How I used CloneZilla to fully back up my PC in case disaster strikes (and it's free) ...