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Logical partition turns into Principal

By nhiep_nguyen ·
Hello all,

I got a big problem with my data.
I have an ATA disk that was partitionned into two, one Principal and one logical.
In the logical partition, I had a drive on which I had a lot of Data.
When I wanted to install winXP onto the principal partition, instead of hiting enter to install on it, I first hit D to delete the partition in order to install on a "clean" drive.
Little did I know that when a Principal partition of a disk is deleted, the logical partition is automatically made principal and now I do not see any of my data!
I am convinced that they are still there because I didn't format it when I realize my error.
My question is : Is there anyway to recover my data, and if yes, anyone care to help me?

Thank you in advance.

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by statykserver In reply to Logical partition turns i ...

Here is a site that ReWrite referred me to a while back.

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by statykserver In reply to

PC INSPECTOR? File Recovery 4.x is so-called FREEWARE. This means that the software does not cost you a single penny.

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by nhiep_nguyen In reply to

Poster rated this answer.
PC Inspector seems to work, although it takes a long time.
At the time I write this it has not finished searching yet but already displayed 35750 files found and going.
Now it has finished and displays lost clusters and type of files but no name is attached.
So I'll have to find out how to now.
Furthermore it's free!
Thank you very much.

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by HAL 9000 Moderator In reply to Logical partition turns i ...

If you only had data stored on the second partition you'll most likely have lost a lot of it as the Windows Install will have overwritten it.

Now what you have to decide is just how important is the data to you. If it is critical and necessary to recover you can send the drive away to have the Data Forensically recovered as even when you wipe and format a drive you can still access the layers beneath the top layer but it isn't cheap. I've only ever heard of this process being used by Government departments to catch criminals with Kiddy Porn and Terrorist junk on their HDDs.

However you need to immediately stop using that HDD replace it with another one and slave it so you can recover whatever data you can. Some may be readable and savable to a different HDD straight off the drive as you didn't format the drive but the rest will requires some form of Data Recovery software.

On Track Pro is one of the best but it comes in around the 1K$ US mark there are however others less expensive and most have trial versions available that will allow you to see what is stored on the drive some will actually allow you several days and others will only list the headers and first 200K of a file but at least they will show you what is available.

Now with any form of data recovery you NEVER write to the drive that you are attempting to recover data from this always remains alone and is only used to recover the data from so you'll need another drive big enough to save any recovered data to.

Try these following sites for Data Recovery software and depending on how good you are the XWays Win Hex is one of the best but you really need to know HEX which is something that isn't so well known now.

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by HAL 9000 Moderator In reply to

I haven't tried the Iolo product so I'm not sure how well it works but the XWays Davory works fairly well for any drive that has not been over written and is easy to use. But it takes time and more time the bigger the drive is.

I hope that is of some help to you.


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by nhiep_nguyen In reply to

Poster rated this answer.
My data do not worth the 1K$ of Track Pro, and I do not know HEX then the XWAYS Win Hex is out of reach for me.
I've not tried XWays Davory yet because PG Inspector Recovery is still doing the job.
I'll try it later.
Thank you all the same for your input.

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by chanmkr In reply to Logical partition turns i ...

If y have norton utility of any kind with y or your friend try using norton disk doctor(ndd)
with recover or rebuild option

good luck

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by nhiep_nguyen In reply to

Poster rated this answer.
I have Norton Systemworks that include NDD but I did not find any recover option.
I've tried it anyway but with no results.
Thank you for your help.

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by nhiep_nguyen In reply to Logical partition turns i ...

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