The reasons for damage followed by the inaccessibility of
data can be divided into two groups:
Physical
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electrical (power
loss, surge, polarity reversal ...)
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manufacturing defects
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liquid intrusion
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excess temperature (overheating)
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dusty environment
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gravitation (fall, shock ...)
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human error or abuse
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nature
disasters (floods, fire, earthquake ...)
Software
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application or the operation system collapses
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virus infection
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human error or abuse (
erasing, overwriting, formatting ...)