The Tech Zone has posted an article on recovering data from a crashed hard drive.
"Your worst nightmare just became a horrifying reality. You keep hearing that little voice in your head mockingly shout "you should have backed that stuff up" The voice keeps echoing throughout your head as you perform a quick inventory all of the important information that you just lost...your client database, a years worth of e-mail, your entire inventory database, even your family photos."
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Indeed loosing important files is your worst nightmare, it never happened to me but that doesn't mean I don't want to be cautious. My friend had a hard drive crush just when he was about to finish an important project. He just gone mad for 24 hours. As far as I know he searched for data recovery services and he managed to solve the problem at the right time.