If you own a computer, you’re going to find yourself in need of a “techie” someday. Your computer will slow down and stop working efficiently, or worse, it will crash completely and you’ll be visited by the black screen of death. When that day comes, you’ll call an IT guy (or gal) and hand your computer and all its precious — and very personal — data over to a complete stranger.

I’m not an IT person, but I happen to be married to the guy who gets the computers after all hope is lost — after the local computer shop has told you it can’t be fixed (and after they charged you an exorbitant amount of money for not fixing it). My husband (Gary) has a day job as a programmer and senior systems analyst for a Fortune 500 company, but by night, he becomes the Computer Whisperer, bringing systems back from the abyss. He rarely charges anyone (unless you count the cookies and other treats he receives from grateful friends) but considers it a hobby and a personal challenge to rescue lost computers.  I’ve seen with my own eyes the deep magic of data recovery and the resurrection of a system that had been left for dead, so I’d like to offer a few things I’ve learned from watching him in action these many years.

Here Are 10 Secrets Your IT Guy Won’t Tell You: