Many of us have accidentally deleted files from our USB drives, or maybe even did so intentionally only to regret it later.

This will allow you to check your drive for errors, restore a recent Time Machine backup, and—if the drive is still physically working—reinstall the operating system to give it a fresh start. First, ...

Ever get a little nervous about leaving those important files on your USB thumb drive? (What if I lose it? What if the flash memory doesn't hold up? How will I give that presentation?) Now there's an ...