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Article View: comp.sys.ibm.pc.hardware.storage
Article #499

Re: Hard disk salvaging

#499
From: Vanguard
Date: Fri, 13 Jul 2007 01:13
48 lines
4403 bytes
"Clueless" wrote in message 
news:21hd939v8ae8lprh2om2123upbcj0iqil6@4ax.com...
> when I reconnected the HDD the bios itself does not recognize
> the hard disk. It WAS working before I disconnected it. I also did not
> physically remove the hard disk so there is no chance of a mechanical
> damage.

Did you plug the power tap back into the hard drive?  Although the 3-pin 
Molex connector (male and female) is polarized, it is still possible 
with force to plug it in upside down.  That means the 12V line connected 
to the 5V pin and fried some parts.  Yes, it is possible to replace the 
PCB with another from the same brand and model of hard drive but don't 
expect a miracle.  Often there are tweaks to adjust the standard 
designed PCB for that model to the individual mechanicals of the drive.

Do you even hear the hard drive spin up (like a jet engine whine) when 
power is applied to the hard drive?  It you don't hear it spin up then 
there is a power problem (no power, bad connections, loose wires or poor 
crimps inside the connectors, or reversed orientation).  You won't get 
anything from the hard drive unless it spins.

It was necessary to physically detached the drive.  You said that that 
drive was not physically removed from the computer but it appears that 
you did yank the cables off of that device.  You could have just entered 
the BIOS and disabled the port to which the hard drive was connected (if 
the CD/DVD drive was also on that port then you would have had to move 
it to another port so you could disable the controller for that port for 
the hard drive).  In yanking the cables, especially those that don't 
provide pull tabs which means there is a good chance that you pulled on 
the cable itself instead of the connectors, problems could be: the wires 
in the cable are not longer attached to the pins in the connectors, you 
put the cables back on in the wrong orientation or the orientation isn't 
the same on both ends (i.e., pin 1 in the hard drive's connector should 
get connected to pin 1 on the motherboard connector but one end on the 
cable is reversed), you smashed down a pin inside the drive's connector 
or in the motherboard's connector or maybe 1 pin got bent out of the way 
so it doesn't slide into the connector, foreign matters lodged in the 
connector which prevents the connector from sliding down far enough to 
ensure the female connector in the cable mates with the male pin in the 
header.  So you'll have to open the box and check the connections, make 
sure they are oriented correctly, and perhaps try with a new cable in 
case the old one got damaged.

> ClueLess
<snip - followed by 43 blank lines>

Yep, got that from the excessive whitespace at the end of your post.  I 
thought Forte Agent was supposed to be a good NNTP client.
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Subject: Re: Hard disk salvaging
Date: Thu, 12 Jul 2007 20:13:30 -0500
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