One Girl Scout wants your old computers to help make sure every child has the technology needed for school.

Kurt "CyberGuy" Knutsson shares some tips and methods on how to restore files that have been accidentally deleted on your computer or smartphone.

Do you have an old, slow PC collecting dust in a closet somewhere? A first-generation iPad powered off and tucked away in a junk drawer? Imagine those cast-aside gadgets—outfitted with a newer, faster ...