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I just mistakingly used the wrong device to create a USB installer for Ubuntu. I wanted to use my flash drive which was disk1 and ended up using disk2 which was my external HD. Is there any way I can recover the information?

I ran testdisk but I got this: enter image description here

Are there any other options? I had 2 partitions on it, a Mac Journal partition for my time machine backups and an ExtFat for sharing files between Mac and Windows.

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That screenshot is what I got from testdisk after running analytics. Seems that the partitions I want to recover I can't recover. –  8vius Jun 18 '13 at 22:16
    
Doesn't look good then. Did you see if it's possible to just scan for files? If that doesn't help another data recovery program may, but of course there are no guarantees. –  Karan Jun 18 '13 at 22:18
    
The file scanning step from testdisk comes after what you see in the picture, so it won't let me scan the files of the partitions I'm interested in :/. Any program you can suggest for Mac? –  8vius Jun 18 '13 at 22:20
    
I think TRK supports HFS+, but I've never tried it on a Mac. –  Karan Jun 18 '13 at 22:22

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