December 27, 2014 Leave a comment Erase data on your old tablet, phone and PC By Komando Staff 12,68612.6k Photo courtesy of Shutterstock Have you recently upgraded your computer, smartphone or tablet? You might be wondering what to do with your old one, besides letting it sit in a closet or drawer.Whether you sell it, recycle it, give it to charity or use it as a doorstop, there's one thing you must, absolutely, without a doubt, do first. I'm talking about wiping out your personal information. -advertisement- Important: Check your gadget's DVD drive, USB port or card reader to make sure you haven't left any discs, flash drives or memory cards behind.Whether it's passwords, tax documents, contacts, personal photos, home videos or anything else sensitive, you don't want it falling into the wrong hands. You don't just want to delete it either.Deleted files aren't really gone - they're just hidden. Anyone who knows what they're doing can find them.To keep your information safe, you need to permanently wipe it out. I'll tell you how to do this on your computer, smartphone and tablet, and I'll start with a computer.Next page: Let's start with your old computer Continued on next page12345Next View All Leave a comment Previous Tips Facebook Gotcha: Make sure only family and friends see your photos Next Tips One secret about online accounts every computer user needs to know Related Articles Black Friday deals that you won't want to miss 5 must-have tech gifts this holiday season Best security software for your tablet, phone, PC or Mac Cellphone spying: Is someone seeing your photos, texts, calls and more?