On Mon, 18 Oct 1999 01:55:49 +0400, Samuel W. Heywood wrote:
> Another thought has just occurred to me. Sometimes when an
> electric motor is turned off, it will come to rest on a "dead
> spot" on the armature or rotor. The next time you try to
> turn the motor on, it won't start.
Could also caused by some kind of faulty "parking lock" mechanism.
Happened to me once few years ago... The motor of my 286's late
HDD (a Quantum ProDrive ELS-85), keep stopped spinning after
three clicking sound on coold boot. Unfortunately, I didn't know
yet about any HDD repair shop. All local computer shops gave up
because the HDD won't show up on their BIOS autodetect (it should
if in normal condition). Finally, I took the HDD apart myself,
and found out that a plastic parking lock lever was wearing up
and won't "unlock" the rotor properly when the HDD powered-up.
Juryrig the parking lock mechanism fixed the problem, but I ended
up with cca. 40% bad sector <g>. It should be completely fixed if
I had access to a "clean-air" room back then. But at least all of
the important data was salvaged... Later I found out that
besides of the more expensive data recovery companies, there are
few computer repair shops (in Jakarta anyway, about 1200 kilometers
away), which offered HDD platter replacement. Wowzer! :-) They
should have enough resources to fix HDD's mechanical problem like
this, *before* I had this severe case of bad sector... <g>.
--Eko
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