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Windows 7: How to recover ntfs partition

06 Jan 2014   #11
Kaktussoft

Microsoft Community Contributor Award Recipient

Microsoft Windows 7 Home Premium 64-bits 7601 Multiprocessor Free Service Pack 1
 
 

btw filetype NTFS, start sector 63, end sector 1953525166 size 931.51GB all looks fine to me.
The used size isn't in the partition table! Partition Wizard knows how NTFS works and read the structures and tells you how much space is used. It's a negative number so.... it's a PW summary overflow, or the filesystem is corrupt. Not a partition problem!!

win7 checkdisk will fix that, or report more details about the problem.


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06 Jan 2014   #12
Gerrit

Windows 7 x64, Ubuntu 12.04.3 64bit
 
 

I didnt recover anything yet. Only started the quick scan and that is what you see in my last post. The start screen is looking like in the following picture.

Cant run checkdisk on it, because windows only sees it as a RAW drive. If I click on the partition in the quick scan result I can show all my files. So maybe PW can fix it.

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06 Jan 2014   #13
Kaktussoft

Microsoft Community Contributor Award Recipient

Microsoft Windows 7 Home Premium 64-bits 7601 Multiprocessor Free Service Pack 1
 
 

PW sees all fine. Only it computes the used space wrong. So computes the used space wrong as well. Do you know the real used space (or free space) approximately?

Is it possible to shrink the partition? Shrink partition with partition magic wizard.
How to shrink Windows partition without damaging data?
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06 Jan 2014   #14
Gerrit

Windows 7 x64, Ubuntu 12.04.3 64bit
 
 

Quote   Quote: Originally Posted by Kaktussoft View Post
PW sees all fine. Only it computes the used space wrong. So computes the used space wrong as well. Do you know the real used space (or free space) approximately?
Approximately 350GB, I can watch the complete file structure in the partition explorer.

Quote   Quote: Originally Posted by Kaktussoft View Post
Just tried, Everything worked fine until it copied the data. At 16% it gave a I/O error.
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06 Jan 2014   #15
Kaktussoft

Microsoft Community Contributor Award Recipient

Microsoft Windows 7 Home Premium 64-bits 7601 Multiprocessor Free Service Pack 1
 
 

Quote   Quote: Originally Posted by Gerrit View Post
Quote   Quote: Originally Posted by Kaktussoft View Post
PW sees all fine. Only it computes the used space wrong. So computes the used space wrong as well. Do you know the real used space (or free space) approximately?
Approximately 350GB, I can watch the complete file structure in the partition explorer.

Quote   Quote: Originally Posted by Kaktussoft View Post
Just tried, Everything worked fine until it copied the data. At 16% it gave a I/O error.
Because drive is faulty? Because.... I don't know. You can still see files? Reboot to PW again. What is state of the faulty partition now?
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06 Jan 2014   #16
Kaktussoft

Microsoft Community Contributor Award Recipient

Microsoft Windows 7 Home Premium 64-bits 7601 Multiprocessor Free Service Pack 1
 
 

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06 Jan 2014   #17
Gerrit

Windows 7 x64, Ubuntu 12.04.3 64bit
 
 

The state hasnt changed, still negative unused space.

Can do a disk surface test, but that will take 9 hours and more, so I'll probably run that tonight and post the result tomorrow
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06 Jan 2014   #18
Kaktussoft

Microsoft Community Contributor Award Recipient

Microsoft Windows 7 Home Premium 64-bits 7601 Multiprocessor Free Service Pack 1
 
 

Quote   Quote: Originally Posted by Gerrit View Post
The state hasnt changed, still negative unused space.

Can do a disk surface test, but that will take 9 hours and more, so I'll probably run that tonight and post the result tomorrow
It's still same size?

Can linux successfully mount the ntfs-partition? What kind of files are on the disk anyway?
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06 Jan 2014   #19
jumanji

Windows 7 Home Premium 32 bit
 
 

Quote   Quote: Originally Posted by Kaktussoft View Post
. .......You can still see files? Reboot to PW again. What is state of the faulty partition now?
Yep, I would also be interested in knowing it.

Please rerun Partition Recovery Wizard, Quick Scan and if it stays partition still exists and partition explorer shows the files, blindly go ahead and rewrite the partition table. Since you will only be writing to sector 0, you are not doing anything to the data.( However if it I has already been corrupted due to your dabbling with Linux/fdisk,Changing sector size, attempting to shrink partitions etc., etc., and other write operations, data integrity cannot be guaranteed. Anyway let us make a brave attempt to retrieve whatever possible)

Please post screenshots of 1.how the drive looks in Partition Wizard, 2. The result after running the quick scan 3. How the files show up in the partition explorer and finally how your drive looks like after rewriting the partition table.

For all the screenshots please use the Windows Snipping Tool and upload the snap. ( Do not use third party sites)

For more help on how to go about with Partition Recovery Wizard, proceed to the topic Recovery with Partition Wizard: SanDisk Cruzer Blade 16GB ( in your case it will be your external hard drive) in Recover a flash drive turned RAW Partition Wizard and TestDisk.

Since it is already bedtime for me, I may return only after another 10 hours. So Kaktussoft may continue if he has better ideas, short of any writing operations.
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07 Jan 2014   #20
Gerrit

Windows 7 x64, Ubuntu 12.04.3 64bit
 
 

The partition explorer displays the files similar to the windows explorer. Rewriting the MBR Table dont seem to help.

1. How to recover ntfs partition-pw-overview.png

2. How to recover ntfs partition-quickscan-result.png

3. How to recover ntfs partition-pw-overview-after-rebuild-mbr.png


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