Re: hard drive repair


Impmon wrote:
> On Sun, 14 Aug 2005 21:06:25 +0800, "Ben" <asd@xxxxxxx> wrote:
>
> > I did try to rotate the disk (on the edge), and it wouldn't
> > move at all.

> Unusual problem indeed. I've dismantled a number of dead hard drive
> and i have NEVER seen one with stuck platter. I'm inclined to think
> the motor that drives the platter had a catastrophic failure that
> jammed the spindle completely.

Some of the first 1.5" high Seagates with plated platters, like the
ST-138 and ST-251, were famous for developing stuck heads, but turning
the power on and off while sharply thumping the drive on top would
usually free them, for a while at least (could become stuck again
overnight). Some people instead manually rotated the motor from the
outside, often the wrong way and ending up tearing a head off its arm
(correct rotation could also do that).

.

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