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05.09.2008 at 06:05AM PDT, ID: 23389120
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After running chkdsk with repair secors D partition data disappears

Tags: Windows, CHKDSK, Partition Undefined
Hi Team,

After noticing that backups were failing with a data sector read error, I started chkdisk from within Windows to start from bootup with the repair sector option. When the scan was done, it wouldn't boot into windows any longer because windows.sys was apparently damaged, but more disturbingly, when mounting this drive as a second drive in another computer, I could access  data from my C partition, but my D partition appeared in the list of devices in My Computer, but with no information, and more shocking was that Windows asked me if i wanted to format it.  I ran a Diskinternals program to take images of both C and D and scan them for content. When i did this the D partition again was identified as empty.   This partition had much valuable and I really don't want to loose it.

Does anyone have an idea what could have happened to it by simply running chkdsk and steps I might take to bring this information back to the surface?

Thanks,all.

Mark
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Question Stats
Zone: OS
Question Asked By: mlitin
Solution Provided By: jojuez
Participating Experts: 3
Solution Grade: A
Views: 17
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05.09.2008 at 06:19AM PDT, ID: 21532453

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05.09.2008 at 07:01AM PDT, ID: 21532865

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05.10.2008 at 01:17AM PDT, ID: 21538204

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05.10.2008 at 01:18AM PDT, ID: 21538210

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05.09.2008 at 06:19AM PDT, ID: 21532453
Thats pretty tough. Chances are without a data recovery service, if the disk is damaged enough you may not be able to get the data off of the disk. You can try this trick, it has worked for me before when someone I was helping had a drive die on them. Try booting from a live Linux boot cd, then attempt to mount and view the data on the drive. This worked when my friends drive would not appear in windows, though it is still going to use the same file system, Linux was able to see the data where Windows could not. You can use any of the live boots out there, ubuntu, or Knoppix, there are a ton out there.
Accepted Solution
 
05.09.2008 at 07:01AM PDT, ID: 21532865
While your bad drive is slaved into the other computer try this program to recover data:

http://www.pcinspector.de/Sites/file_recovery/info.htm?language=1
Assisted Solution
 
05.10.2008 at 01:17AM PDT, ID: 21538204

Rank: Genius

what happened is (probably) this :  you have bad sectors developing on the disk
by running chckdsk, it finds those, and locks them out, hence making the data inaccessible

before trying to recover, slave the disk to a working system !!
for recovery, here a couple of tools (try all till you have what you want - not all work the same way) :
http://www.pcworld.com/downloads/collection/0,collid,1295,00.asp            Free Recovery
http://www.pcinspector.de/file_recovery/UK/welcome.htm                  pc Inspector -free
http://www.runtime.org/                                    GetDataBack
http://www.stellarinfo.com/                                    Stellar
http://www.ontrack.com/                                    Ontrack

if not successful, you can use these guys : http://www.gillware.com/      
Assisted Solution
 
05.10.2008 at 01:18AM PDT, ID: 21538210

Rank: Genius

...and AFTER recovery, i would test the disk, to be sure about it's status :
   http://www.tacktech.com/display.cfm?ttid=287
Assisted Solution
 
 
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