Cameras forum

Question

Corrupted memory card

I have a Canon 70D camera with a Transcend SDHC 16 GB memory card. At some point, about half of the photos on it became corrupted. I tried downloading the other, good photos to my laptop. They do show up on the computer through one of the USB ports connected to the camera. I tried copying the good photos to a folder on the computer, and while the window that pops up shows movement, no photos are transferred. I used Recuva and was able to pull out old photos from the card, but not the good or the corrupted photos. I'm considering formatting the card then using Recuva again -- if the recovery program could pull up old, deleted photos, maybe it would pull up at least the good photos that I couldn't copy to the computer. Or is there another route I should try? Whaddya think?

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All Answers

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Answer
Obviously, the card must go.

In reply to: Corrupted memory card

Corrupted photos are best considered lost; quick-formatting might be an option to recover the good ones. In my experience, Recuva is both hit and miss. Specifically with a Canon, you could also try this:

https://www.bleepingcomputer.com/download/minitool-power-data-recovery-free/

(From the product spec:
CR2 Canon RAW version 2. Photograph from a Canon camera.
CRW Canon RAW. Photograph from a Canon camera.)

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Note to mods

In reply to: Obviously, the card must go.

This post failed to appear for more than 24 hrs; thus the paraphrased duplicate below.

Would make sense to remove one or the other, no?

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Actually why not keep them?

In reply to: Note to mods

I have issues with techsupprot com sites but Recuva has done well here and if Recuva doesn't work, I have yet to find other tools to do any better.

My diagnosis at that point is hardware failure.

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Answer
Obviously, the card must go.

In reply to: Corrupted memory card

That is assuming you have gone through all the permutations with the SDHC (in-camera; via adapter; straight in), thus eliminating the possibility of a faulty cable. How about deleting the corrupt photos first, then attempting to transfer the remainder?

Quick-formatting might be the last resort. I find Recuva a bit of a hit-and-miss affair, so why not try the #1 instead:

http://www.techsupportalert.com/best-free-data-recovery-file-undelete-utility.htm

MiniTool is Canon-RAW specific to boot.

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Thanks for responses

In reply to: Obviously, the card must go.

Thanks to everyone who responded to my problem with a corrupted memory card. I did try to delete the corrupted files on the card, but nothing happened. The files remained. Ironically, I was able, as an experiment, to delete a few of the good photos. In any case, I retried with Recuva and this time found an option to retrieve non-deleted photos. I figured I couldn't lose anything, so I tried that -- and all 886 files that had been on the card, including those that were corrupted, were recovered except for 7 that were partially recovered. So, after a few attempts with that program, it finally came through for me. If it had failed again, I was prepared to try MiniTool.

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