Degaussing is named after the ‘gauss’, a unit of magnetism which in turn was named after Carl Friedrich Gauss, an 18th century German mathematician who was an early researcher in the field of magnetism.
Degaussing is the process of reducing or eliminating an unwanted magnetic field (or data) stored on tape and disk media such as computer and laptop hard drives, diskettes, reels, cassettes and cartridge tapes. When exposed to the powerful magnetic field of a degausser, the magnetic data on a tape or hard disk is neutralized or erased. Degaussing is the guaranteed form of hard drive erasure, as such; it serves as the standard method of data destruction. Using the right degausser will guarantee that your information is no longer retrievable.
Can I reuse my hard drive after it has been degaussed?
No, you cannot reuse a hard drive once it has been degaussed. This is because the degaussing process not only removes all the data, but it also removes the startup files. As such, a degaussed hard drive will not boot up.
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