On Tue, Sep 29, 2020, 8:33 AM H <agents@xxxxxxxxxxxxxx> wrote:
> I have an old external harddisk, Toshiba 320 Gb, with a USB connector that
> I wanted to check for contents. It did not start up when connected and I
> could not hear the motor spinning. After leaving it in the freezer
> overnight the motor spins but it is not recognized by my computer. I
> disassembled it and could see that the head assembly rests outside the disk
> but when it is powered on, the head first moves to the center of the disk,
> then to the periphery and finally back to the resting position. This
> happens every few seconds and leaving it connected overnight changed
> nothing.
>
That repeated seeking suggests it's not passing its self test, and is
constantly retrying. It's probably searching for servo data on the disks,
and not finding it.
>
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