dead harddisk

Hi all

I have an external harddisk that does not spin up is there anyway to recover the data

Thanks davy
LVL 6
davy999Asked:
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JohnBusiness Consultant (Owner)Commented:
Things people have tried:

1. Seal the drive in plastic and place in freezer for an hour.
2. Whack the drive against your hand to attempt to free it up.

Neither of these are guaranteed. .... Thinkpads_User
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Lee W, MVPTechnology and Business Process AdvisorCommented:
... in fact, you stand just as much chance at causing MORE damage as you do at fixing it by doing those things.  

If the data is important, then you need to send it to a data recovery company - expect to pay HUNDRED$.  If it isn't important, go ahead and try the "home" remedies, but be aware, you may make it more difficult for even a data recovery company.
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paololabeCommented:
First of all try to check if the problem is the HD itself contained in the case or the case, for example the power supply of the case.
If it's possible open the case and extract the HD to test it.
If the HD is dead, nothing else than send it to a company to open it and recover data.

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davy999Author Commented:
Ive just found out that someone has set the wrong power supply to harddisk
would this affect the disk
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JohnBusiness Consultant (Owner)Commented:
It could easily screw up the controller card on the hard drive. If you are luck, however, the drive itself might be OK. The cost/gamble here would be to change the controller card. .... Thinkpads_User
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Lee W, MVPTechnology and Business Process AdvisorCommented:
Sure, you could have fried the electronics or the motor.  Or there may not have been enough power to spin up the drive. Try the correct one and see what happens.  You can try to remove the drive as paololabe suggests... MOST of the time, it should be easily connected internally to a computer (but it can depend on the brand/type of enclosure the drive is in).
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web_trackerComputer Service TechnicianCommented:
I agree with Leew, you can do more damage to the drive by doing the home remedies, if the data is really important to you take the drive to a data recovery place that specializes in data recovery. Often they will diagnose the drive and if they can recover data from it they will then give you a quote how much it will cost and then you can decide whether recovering the data is worth the cost. If there are only certain files you wish to recover, it will cost less than trying to recover the whole drive.

If the data is not that important there are other things you can do. Since this is an external drive you can try to remove the drive from the enclosure and try to connect it directly to your computer by opening the case and connecting it inside.  I hope you have tried various usb ports in your computer before you route out that the drive is not spinning. I would never try wacking the drive or using the freezer trick as these are more detremental to the drive than doing anything else.
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web_trackerComputer Service TechnicianCommented:
It is definitely possible that the wrong powersupply may have caused the problem. As previously mentioned try the correct powersupply to see if that will work, or remove the drive and try to connect the drive internally/directly to the computer. If the drive spins up in either case then you are lucky that the wrong powersupply did not destroy the drive. If the drive still does not spin up take the drive to a data recovery place, they may need to replace the controller board.
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ITguy565Commented:
By setting the wrong voltage you take a real change on damaging the controller. I have personally used the freezer trick and it has only worked under very specific circumstances.

The Freezer Trick will only work if the following conditions are met:

1. The failure of the drive occurred due to "HEAT" If the drive gets to hot the metal will expand and cause the needle inside the drive to get trapped between the case wall and the platter. This will cause the drive to give the click of death and not spin up. If this specific condition the freezer trick will allow the needle to free itself and thus bring the drive back into operation.

In this specific case however this does not appear to be relevant and could most definitely cause more harm than good.

In most cases give the situation above I would say to replace the drive. If the controller card is the problem then the bad controller will not damage the new drive. and you can tell if you need to replace the controller card or not.

If you need to replace the controller then so be it but I would replace the drive first.
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web_trackerComputer Service TechnicianCommented:
replacing the drive in the enclosure with a new drive will not help a client recover data from the drive, it will just help to get the external drive going again. The purpose of this post was to help the person recover data from the non working external drive. I am sure there was enough replies to help the person to decide how to recover the data.

The problem with using the freezer trick is that condensation can build up on the platters, yes even if you put the drive in a plastic bag first. This condensation can cause havoic to the heads in the drive as it hits the condensation on the platters. This may cause the heads to actually scratch the surface of the platters making data recovery impossible. If you do not really care about the data on the drive go ahead and try this method, but be for warnned of the potential damage that can be done by doing this. I have damaged a clients drive by doing this, when we took the drive to a recovery place it was too late the platters were too scratched up to recover the data on the clients drive.
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ITguy565Commented:
Web,

Thanks for setting me straight as I guess I was getting lost in translation with all the other posts I am responding to.

You are partially correct. If the external enclosure was fried due to the application of a power adapter that was to large then replacing the external enclosure will give us a good read on how much damage we are looking at. You could then run drive diagnostics such as the western Digital diagnostics found here:

http://support.wdc.com/product/download.asp?groupid=606&sid=3

This will tell us if the drive is fried or not.  If the drive is not readable but can still spin up there is a chance that the data can be removed with software such as GetDataBack NTFS or other data recovery appellations. If the drive still won't spin up then you will need to as others have said in this forum carry that drive to a data recovery studio.  These are the only options available.
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davy999Author Commented:
Thanks all for your replies

Ive just slaved the drive and it does not spin up so the only option
is a recovery service
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