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Mensagem original de: JODEY FLETCHER ,

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“Hitting,” “slapping,” and “intentionally dropping” a hard drive, as  crazy as it sounds, has been known to work before. However, this was  back in the good-old-days when hard drives were prone to “stiction.”  “Stiction” occurs when the heads of the hard drive “stick” to the  platter and cause the drive to not spin. Slapping the drive then,  offered a chance of freeing the stuck heads and freeing the platters so  they can spin up. Even if the hard drive starts spinning again, the  chances for recovering all the data is small, since now there is very  likely platter damage (since you just “dragged” the heads across the  platters).

In these rare instances, we use much safer techniques inside our ISO  Class 5 portable cleanroom to free up the “stuck” heads using tools  specifically designed for the job. These tools gently lift the heads off  the platters, unsticking them safely. The heads can then be safely  moved back to their ramp or “park” position.

Hitting, slapping, or dropping a hard drive will often lead to  scratched platters. Once platters are scratched, it’s likely no one will  ever be able to recover the data (no matter how much you’re willing to  pay), at least the data which falls under the scratched surface.

These dangerous “shock” techniques should never be used on a hard  drive containing data that is valuable to you. It’s a guarantee that  they will lessen your chances for recovery with us and likely some data  will be permanently lost.

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