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Old Oct 25, 2010, 2:52 PM   #1
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Default Sony M2 Card lost its file system

its a 5 months old M2 4 GB card.

It was working fine. Yesterday I removed it from the cell phone, inserted it into a card reader, copied some songs to my PC, removed it from the reader and put it back into the cell phone , wah ! it couldnt be detected !! Then I put it back into the card reader, it sayd: drive is not formatted, do you want to format !

What the heck?? I tried all other softwares, Only Stellar Phoenix Photo Recovery 3.5 demo version could see the files and videos. What other ways ???
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Old Nov 14, 2010, 11:05 AM   #2
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Location: Savannah, GA (USA)
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Chances are, you removed the card from your card reader before all disk writes were completed.

For example, if you wrote anything to the card at the time you were copying songs to your PC (and deleting files like you'd do when moving them, or cutting and pasting them, are writing to the card), and didn't use the "Safely Remove" icon in your system tray, you may have removed it before all writes in the operating system's disk cache were finished writing to it, resulting in a corrupted file system. Note that you can also "right click" on a card under "My Computer" and use the Eject menu choice to do the same thing (make sure all writes are flushed to it and unmount the file system so that it can be safely removed).
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