| 摘要 |
Disclosed is an information processing apparatus comprising a housing (4), a magnetic disk drive unit (6), a sensor (8) and a control unit (10). The sensor (8), which is installed between the housing and the magnetic disk drive unit, detects an external force acting on the housing or a distortion caused in the housing by dint of the external force. The control unit (10) retreats a magnetic head (14) of the magnetic disk drive unit to a retreat area when the external force or the distortion, detected by the sensor, exceeds a predetermined level.
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