I need Data Recovery suggestions

I have a 160 GB that just went out on me one day and now as I set it up as an external drive to recover the data it is not recognized by the o/s.  It shows as a USB Device under Disk Drives in Hardware Management and also under certain recovery software it shows as 2.0 TB size.  The file system does not show up either.  I have tried a few recovery programs so far it either does not show or comes up as a 2.0 TB drive and when I scan it nothing comes up. Please help.
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torimarConnect With a Mentor Commented:
You may want to try TestDisk: http://www.cgsecurity.org/wiki/TestDisk

This is a free and very powerful tool, but not intuitive. So please make sure to read the documentation.

Here's a step by step instruction page: http://www.cgsecurity.org/wiki/TestDisk_Step_By_Step
Another good commercial tool is Spinrite: www.grc.com/spinrite.htm

If neither TestDisk nor Spinrite show any positive results, and the data on this drive are important, I'd suggest professional recovery, like Gillware (www.gillware.com) or Ontrack (www.ontrackdatarecovery.com).

Note: In grave cases, software recovery tools may even do further damage to a drive and kill it for good.
BGilhooleyConnect With a Mentor Commented:

I've had some success recovering files using Knoppix Boot CD.


Create the boot cd and if you can access the faulty disks files just plug in a USB drive and copy what you need off.
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vertsyeuxConnect With a Mentor Commented:
I assume this is a IDE desktop drive? I assume the drive motor is spinning (you can tell by picking it up and rocking it GENTLY - you should feel the precession effect) and that it is not clicking repeatedly.. What happens when you connect the drive directly to the motherboard of a desktop computer and let the BIOS auto-detect it? Usually, if the BIOS can't see it, and provided you are supplying enough power, and it is cabled correctly, then the drive itself is defective.. If the data in the drive is very important, you might want to consider a data-recovery service.. That can be really expensive, but you can sometimes get the drive to initialise by repeatedly starting, tapping very gently etc.. Worse case, you can swap out the circuit-board with an identical drive - MUST be the same revision etc.. Good luck!!
CallandorConnect With a Mentor Commented:
For best results, connect the drive directly as a slave or secondary SATA drive in another desktop.  USB enclosures have electronics that can interfere with recovery.  GetDataBack (www.runtime.org) will let you try to detect the data and if it can, you will need to pay for the product to save it.  It does not write to the drive, so if it fails it will not make it worse.  You will need another drive to copy the data to.
noxchoGlobal Support CoordinatorCommented:
When you connect it as internal drive to the original PC and then try to boot the PC from Knoppix CD is the drive detected of real size?
Hey, if the drive won't identify to the OS, you can't use ANY recovery software to get it back.

You must do hardware repair on the drive of some sort.

You can try replacing the circuit board under the drive with the EXACT MODEL & FIRMWARE revision you are currently using.

That may work, if it's a Circuit board issue.

(Otherwise it's time for an expert to fix it for you)

Sorry for the bad news,

>Hey, if the drive won't identify to the OS, you can't use ANY recovery software to get it back.

Yes, but he said "I set it up as an external drive to recover the data" and "It shows as a USB Device under Disk Drives in Hardware Management".  Connecting it directly to the motherboard without a USB enclosure may allow a program to successfully retrieve data.
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