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dskprobe caused problem

I have two disks A (40GB) and B (160 GB). Upon re-installation of win xp in disk A, i couldn't see the partitions on disk B. I googled and installed dskprobe.exe. It showed me the following partition table for disk B (I had 4 partitions of 10GB each on this and rest empty space). Following some threads, I changed the XX to 07 in the line starting with 000001C0. I could see one partition out of four. I changed the remaining XXs to 07s and my PC doesn't boot whenever I have disk B connected. Could somebody tell me where exactly this has gone wrong and the way out. I have some critical data on disk B.

   000001B0: 00 00 00 00 00 00 00 00 - 00 00 00 00 00 00 80 01
   000001C0: 01 00 XX 10 7D ED 3D 00 - 00 00 D9 D0 07 00 00 00
   000001D0: 00 00 XX 00 00 00 00 00 - 00 00 00 00 00 00 00 00
   000001E0: 00 00 XX 00 00 00 00 00 - 00 00 00 00 00 00 00 00
   000001F0: 00 00 XX 00 00 00 00 00 - 00 00 00 00 00 00 55 AA

   Partition-1 starts at 0x01BE - SYSTEM-ID Byte is at 0x01C2
   Partition-2 starts at 0x01CE - SYSTEM-ID Byte is at 0x01D2
   Partition-3 starts at 0x01DE - SYSTEM-ID Byte is at 0x01E2
   Partition-4 starts at 0x01EE - SYSTEM-ID Byte is at 0x01F2
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manmeram
Asked:
manmeram
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1 Solution
 
arnoldCommented:
What type of disk was disk B, dynamic, extended?
Do you have a way to connect disk B as an external HD via USB.
You would likely need to use a disk tool to recover your data/partition setup on drive B. getdataback or a tool that will let you reedit the entries.
I think the 07 might be fine for the first partition, but the others had to have a different designation.
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manmeramAuthor Commented:
Yes, windows showed disk B as dynamic disk unreadable at which time I had to 'read' it using dskprobe.

When I connect the disk B externally windows instantly reboots! Hope the data is not beyond redemption!

Help!
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arnoldCommented:
I think there is a process you had to follow to import a dynamic disk into your new setup.
http://support.microsoft.com/kb/245725

You could try using UBCD ultimatebootcd.com to boot the system and then try to access/repair the changes you made on disk B.
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manmeramAuthor Commented:
Since I can't boot now with disk B connected, this option of importing dynamic hdd is ruled out.

I'll probably try with UBCD and see how it fares.

BTW, there must be a file where that info is written. What is that file and where is it? Is it ascii and editable? I'm asking this because when I boot in linux, I can boot with disk B attached and I even see the first partition.

thanks

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arnoldCommented:
I think the modifications you made were to the Partition table.  You would need to use an equivalent tool to edit the partitions table to revert the changes you made.

Before trying anything, you should image drive B and either test on the imaged drive.

http://www.ultimatebootcd.com/forums/viewtopic.php?p=6111
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manmeramAuthor Commented:
Thanks Arnold! I burnt UBCD but was lost in the hundreds of softwares in there. Finally SPFDISK came to my rescue as I made changes to the partition table. I could boot now and recovered my data with ERD commander.
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