Seagate ST1000LM024 Samsung HN-M101MBB

These notebook size drives must be popular at the moment as we have started to see a fair few of them come into us. Last month we saw three of them alone with no spin failures. When opened in our clean room we have found that the internal mechanical heads have prevented the motor and discs from spinning as a result of the heads sitting on the disc media. In normal operation the heads should never touch the discs but fly above them carrying out the reading and writing. When the drive is not in use or idle the heads will locate on a parking ramp at the side of the discs. If power to the hard drive is lost while it is reading or writing then this will cause the heads to drop onto the discs and not onto the parking ramp. Once reworked in our internal clean room they were all recovered successfully.

A common cause of this, is the unplugging of the USB cable incorrectly.

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