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I changed the partition table on one HDD from GPT to MBR/MSDOS but I realized (too late) that it affected all partitions on the same HDD. Basically I lost data on the secondary partition which I wanted to keep.

I used gparted to perform the change of partition type.

How can I recover the data I had on my secondary partition? Nothing has been formatted, I've "only" changed the partition table (i.e. I guess destroy the previous partition table).

Recovering the data that was loosed is of more importance than getting to a HDD with MBR at the moment.

Thanks!

tknk
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  • It should go without saying, but I'll say it anyway: You're going to keep backups of all your important data from now on, right? (you happen to be very lucky this time: [*you can recover from this one*](http://serverfault.com/a/489165/32986)) – voretaq7 Mar 19 '13 at 15:29

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If you (somehow) remember/backed up the previous PT, then just recreating it with the same layout should cut it IF you did not write to the disk. Otherwise, all bets are off.

Alien Life Form
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  • I've not written to the disk after the PT was changed. However, I don't have a PT backup... – tknk Mar 19 '13 at 08:21
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    Uh. Then this: http://forum.onmac.net/showthread.php?t=136 is an URL I would start with. GPT Keeps multiple backups of its data structures plus a Protective MBR, so you should be able to get it back - 'dd' your disk content somewhere before touching it again tho'. – Alien Life Form Mar 19 '13 at 08:52
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you can try use testdisk to recover partition table and files. http://www.cgsecurity.org/wiki/TestDisk

B14D3
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You can use Aidfile Recovery software, which is a powerful partition recovery tool for restore files from size or type changed partition drives. It supports EXFAT / FAT32 / NTFS file systems.

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