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Dangerous for computers?

  • juanjosan Wednesday, August 17, 2011 4:13 AM Reply
    Strong magnets will damage most hard disks. Hard disk enclosures are made with a thick aluminum chassis and a thin steel cover and they don't provide any magnetic shielding. Moreover, head positioning on modern disks is done by prerecorded data on the plates, and damaged positioning tracks can not be repaired by software.

    Magnetic flux effects from the inside motor/arm coil are minimised by the small gaps between the poles and careful positioning.

    I know by experience that a laptop drive can be instantly and permanently damaged by a strong magnet near the laptop case.
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