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Windows 7: How to recover ntfs partition

07 Jan 2014   #31
Kaktussoft

Microsoft Community Contributor Award Recipient

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

Partition Wizard surface scan results?
#24 ?
#25 ?


My System SpecsSystem Spec
.
07 Jan 2014   #32
jumanji

Windows 7 Home Premium 32 bit
 
 

1. The Windows Disk Management screenshot attachment is invalid. Please upload it again. (Tip: Preview your post and check everything is OK before hitting the Submit button)

2. Yes, the partition info and filesystem info is an exact replica of my 1TB HDD. And that leads me to believe that PW is fetching the info from the File System and not by actually reading the Disk Structure( OK, we are also learning.) Your disk structure in the data area may still be different.

3. Yes, you can write the MBR using Bootice. ( I wanted you to try PW before getting on to it.) Download your Windows bit version - 32 bit or 64bit - from Booooooooting ? View topic - [ BOOTICE: A poweful boot-related utility ] - v1.3.2.1 Extract the rar file to get the exe file to run.

Check you have selected the right drive, click on Process MBR. Check the current MBR type shown( just for info). As a precautionary measure Backup MBR (the current one). Then select Windows NT 5.x /6.x MBR and then Install/Config. That should install the MBR. (You can also view sector 0 before and after by clicking on Sector Edit and viewing sector 0 )

How to recover ntfs partition-08-01-2014-09-38-50.jpg

{You may find some help to familiarise yourself with Bootice here Lost partitions!}


My System SpecsSystem Spec
08 Jan 2014   #33
Gerrit

Windows 7 x64, Ubuntu 12.04.3 64bit
 
 

Ok, surface test was aborted by my great laptop (sometimes shuts down, must be some power issues).

I tried the Power Data Recovery Tool and recovered the data that was important to me.

Will try out ntfsfix and ntfsfsck now. If not successful I will try bootice.


And not to forget, the snap of the disk management tool. Not sure if it helps.

How to recover ntfs partition-disk-management.png


My System SpecsSystem Spec
.

08 Jan 2014   #34
Gerrit

Windows 7 x64, Ubuntu 12.04.3 64bit
 
 

ntfsfix seems to have fixed the sector count but has problems with the MFT, but I cant mount it on Linux yet. ntfsck only approves the wrong MFT. Will reboot with PW and see what it says now and if Windows can mount it.

Code:
$ sudo ntfsfix /dev/sdb1
Mounting volume... Failed to read last sector (4294965176): Invalid argument
HINTS: Either the volume is a RAID/LDM but it wasn't setup yet,
   or it was not setup correctly (e.g. by not using mdadm --build ...),
   or a wrong device is tried to be mounted,
   or the partition table is corrupt (partition is smaller than NTFS),
   or the NTFS boot sector is corrupt (NTFS size is not valid).
FAILED
Attempting to correct errors... Failed to read last sector (4294965176): Invalid argument
HINTS: Either the volume is a RAID/LDM but it wasn't setup yet,
   or it was not setup correctly (e.g. by not using mdadm --build ...),
   or a wrong device is tried to be mounted,
   or the partition table is corrupt (partition is smaller than NTFS),
   or the NTFS boot sector is corrupt (NTFS size is not valid).
FAILED
Failed to startup volume: Invalid argument
Failed to read last sector (4294965176): Invalid argument
HINTS: Either the volume is a RAID/LDM but it wasn't setup yet,
   or it was not setup correctly (e.g. by not using mdadm --build ...),
   or a wrong device is tried to be mounted,
   or the partition table is corrupt (partition is smaller than NTFS),
   or the NTFS boot sector is corrupt (NTFS size is not valid).
Trying the alternate boot sector
The alternate bootsector is usable
Set sector count to 1953525103 instead of 4294965176
Rewriting the bootsector
The boot sector has been rewritten

Processing $MFT and $MFTMirr...
Reading $MFT... OK
Reading $MFTMirr... ntfs_mst_post_read_fixup_warn: magic: 0x2602496e  size: 1024   usa_ofs: 14464  usa_count: 49164: Invalid argument
ntfs_mst_post_read_fixup_warn: magic: 0x806e4003  size: 1024   usa_ofs: 4040  usa_count: 59173: Invalid argument
ntfs_mst_post_read_fixup_warn: magic: 0x1fecf8f7  size: 1024   usa_ofs: 57175  usa_count: 21310: Invalid argument
ntfs_mst_post_read_fixup_warn: magic: 0x8e1eaecd  size: 1024   usa_ofs: 47645  usa_count: 19843: Invalid argument
OK
Comparing $MFTMirr to $MFT... FAILED
$MFTMirr error: Invalid mft record for $MFT.
Code:
$ sudo ntfsck /dev/sdb1
ntfs_mst_post_read_fixup_warn: magic: 0x2602496e  size: 1024   usa_ofs: 14464  usa_count: 49164: Invalid argument
ntfs_mst_post_read_fixup_warn: magic: 0x806e4003  size: 1024   usa_ofs: 4040  usa_count: 59173: Invalid argument
ntfs_mst_post_read_fixup_warn: magic: 0x1fecf8f7  size: 1024   usa_ofs: 57175  usa_count: 21310: Invalid argument
ntfs_mst_post_read_fixup_warn: magic: 0x8e1eaecd  size: 1024   usa_ofs: 47645  usa_count: 19843: Invalid argument
$MFTMirr error: Invalid mft record for '$MFT'.
My System SpecsSystem Spec
08 Jan 2014   #35
Gerrit

Windows 7 x64, Ubuntu 12.04.3 64bit
 
 

PW now shows the correct usage of the drive. Disk management still shows it as RAW drive. Windows cant mount it and it also does not offer to format the drive anymore. It just says its inaccessible.

How to recover ntfs partition-disk-management-2.png

How to recover ntfs partition-pw-overview-2.png


My System SpecsSystem Spec
08 Jan 2014   #36
Gerrit

Windows 7 x64, Ubuntu 12.04.3 64bit
 
 

Bootice doesnt help either. In the beginning it says "Unknown MBR". I tried both, Windows NT 5.x and 6.x MBR, but still inaccessible and RAW drive.

Will start another surface test with another computer, but this will take at least 11 hours.
My System SpecsSystem Spec
08 Jan 2014   #37
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
ntfsfix seems to have fixed the sector count but has problems with the MFT, but I cant mount it on Linux yet. ntfsck only approves the wrong MFT. Will reboot with PW and see what it says now and if Windows can mount it.

Code:
$ sudo ntfsfix /dev/sdb1
Mounting volume... Failed to read last sector (4294965176): Invalid argument
HINTS: Either the volume is a RAID/LDM but it wasn't setup yet,
   or it was not setup correctly (e.g. by not using mdadm --build ...),
   or a wrong device is tried to be mounted,
   or the partition table is corrupt (partition is smaller than NTFS),
   or the NTFS boot sector is corrupt (NTFS size is not valid).
FAILED
Attempting to correct errors... Failed to read last sector (4294965176): Invalid argument
HINTS: Either the volume is a RAID/LDM but it wasn't setup yet,
   or it was not setup correctly (e.g. by not using mdadm --build ...),
   or a wrong device is tried to be mounted,
   or the partition table is corrupt (partition is smaller than NTFS),
   or the NTFS boot sector is corrupt (NTFS size is not valid).
FAILED
Failed to startup volume: Invalid argument
Failed to read last sector (4294965176): Invalid argument
HINTS: Either the volume is a RAID/LDM but it wasn't setup yet,
   or it was not setup correctly (e.g. by not using mdadm --build ...),
   or a wrong device is tried to be mounted,
   or the partition table is corrupt (partition is smaller than NTFS),
   or the NTFS boot sector is corrupt (NTFS size is not valid).
Trying the alternate boot sector
The alternate bootsector is usable
Set sector count to 1953525103 instead of 4294965176
Rewriting the bootsector
The boot sector has been rewritten
 
Processing $MFT and $MFTMirr...
Reading $MFT... OK
Reading $MFTMirr... ntfs_mst_post_read_fixup_warn: magic: 0x2602496e  size: 1024   usa_ofs: 14464  usa_count: 49164: Invalid argument
ntfs_mst_post_read_fixup_warn: magic: 0x806e4003  size: 1024   usa_ofs: 4040  usa_count: 59173: Invalid argument
ntfs_mst_post_read_fixup_warn: magic: 0x1fecf8f7  size: 1024   usa_ofs: 57175  usa_count: 21310: Invalid argument
ntfs_mst_post_read_fixup_warn: magic: 0x8e1eaecd  size: 1024   usa_ofs: 47645  usa_count: 19843: Invalid argument
OK
Comparing $MFTMirr to $MFT... FAILED
$MFTMirr error: Invalid mft record for $MFT.
Code:
$ sudo ntfsck /dev/sdb1
ntfs_mst_post_read_fixup_warn: magic: 0x2602496e  size: 1024   usa_ofs: 14464  usa_count: 49164: Invalid argument
ntfs_mst_post_read_fixup_warn: magic: 0x806e4003  size: 1024   usa_ofs: 4040  usa_count: 59173: Invalid argument
ntfs_mst_post_read_fixup_warn: magic: 0x1fecf8f7  size: 1024   usa_ofs: 57175  usa_count: 21310: Invalid argument
ntfs_mst_post_read_fixup_warn: magic: 0x8e1eaecd  size: 1024   usa_ofs: 47645  usa_count: 19843: Invalid argument
$MFTMirr error: Invalid mft record for '$MFT'.
It did: Set sector count to 1953525103 instead of 4294965176'. The partition size problem has been solved in PW? used/unused space is fine now?

the MBR is fine! The Partition table is fine as well. But it's the file system that's corrupted. Run the ntfsfix again and post output.
My System SpecsSystem Spec
08 Jan 2014   #38
Kaktussoft

Microsoft Community Contributor Award Recipient

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

In Elevated Command Prompt :
Code:
chkdsk/f  G:
Problems found? Repaired? Run command again to prove.
Reboot afterwards. Drive is still RAW?
My System SpecsSystem Spec
08 Jan 2014   #39
Gerrit

Windows 7 x64, Ubuntu 12.04.3 64bit
 
 

Quote   Quote: Originally Posted by Kaktussoft View Post
It did: Set sector count to 1953525103 instead of 4294965176'. The partition size problem has been solved in PW? used/unused space is fine now?

the MBR is fine! The Partition table is fine as well. But it's the file system that's corrupted. Run the ntfsfix again and post output.
Yes, I know that it changed the sector count. The partition size is corrected and used/unused space is fine. But still Windows cant mount the drive, even worse (or maybe not), before windows wanted to format the drive. Now it says it is just inaccessible (it takes a pretty long time until Windows gives a message).

Will run ntfsfix again today evening when partition wizard has finished the surface test (this time on another computer to avoid the power issues of the laptop).
My System SpecsSystem Spec
08 Jan 2014   #40
Kaktussoft

Microsoft Community Contributor Award Recipient

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

You better do #38 first.
My System SpecsSystem Spec
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