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 Post subject: Seagate SSHD Laptop Thin SSHD stuck motor
PostPosted: February 1st, 2018, 10:49 
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Joined: February 1st, 2018, 9:22
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Location: Paris
Hi guys,

First of all, thanks for this amazing forum, awesome knowledges database !

I am working on a Seagate SSHD Laptop Thin SSHD ST500LM000.

I hear a sound (at regular intervals, like each second) when I plug power cable to the hard drive that make me think about motor stuck.

I investigated with Atola oscilloscope and it seems there is current problem...

But I need your opinion about my diagnosis, is that correct from your point of view/experience ?

To solve this problem I will have to use an unstuck motor tool right ?

Thanks for your time !

Cheers !
--
Franck


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 Post subject: Re: Seagate SSHD Laptop Thin SSHD stuck motor
PostPosted: February 1st, 2018, 12:23 
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Joined: February 9th, 2009, 16:13
Posts: 1983
Location: Ontario, Canada
These drives frequently have heads stuck to the platters. In a lot of a cases, if you are really good, you can free up the heads without needing to change them. But, it is not uncommon for the heads to need replacement, too. Be sure to inspect them under a microscope before powering the drive on, after freeing them up.

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 Post subject: Re: Seagate SSHD Laptop Thin SSHD stuck motor
PostPosted: February 1st, 2018, 14:37 
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Joined: December 19th, 2006, 8:49
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Agree ! Most likely heads are stuck on the platter preventing it from spinning.

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 Post subject: Re: Seagate SSHD Laptop Thin SSHD stuck motor
PostPosted: February 1st, 2018, 15:04 
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Joined: November 29th, 2006, 10:08
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Location: UK
8/10 times the heads are bent enough after stiction to not risk using them, in my experiences.

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 Post subject: Re: Seagate SSHD Laptop Thin SSHD stuck motor
PostPosted: February 1st, 2018, 22:27 
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pcimage wrote:
8/10 times the heads are bent enough after stiction to not risk using them, in my experiences.

Rookie! ;)

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 Post subject: Re: Seagate SSHD Laptop Thin SSHD stuck motor
PostPosted: February 2nd, 2018, 3:14 
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Joined: November 29th, 2006, 10:08
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lcoughey wrote:
pcimage wrote:
8/10 times the heads are bent enough after stiction to not risk using them, in my experiences.

Rookie! ;)



Haha! :-)

I guess I could up those odds, but I’d rather not take the risk on “marginal” heads. Client data is much too important to introduce any extra elements of risk!

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 Post subject: Re: Seagate SSHD Laptop Thin SSHD stuck motor
PostPosted: February 2nd, 2018, 5:48 
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Joined: February 1st, 2018, 9:22
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Thx for your help !

I will proceed to a visual check.

I will post an update.

Cheers.


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 Post subject: Re: Seagate SSHD Laptop Thin SSHD stuck motor
PostPosted: February 2nd, 2018, 14:05 
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Goes without saying if you are going to open the drive do so inside a HEPA 100 aseptic clean room or laminar flow workbench ...

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