Corrupting the RAW files Lightroom? Hardware problem?

I started having some problems with being corrupt when RAW files I open them in Lightroom. I did a lot to solve problems and to limit the symptoms, and this is what I can tell you. If anyone has any ideas about how to solve this problem, I would really appreciate it!

Material

Canon 7 d, 1 32 GB, 1 CF card of 4 GB CF card

Lenovo laptop, win 8. Lightroom 4

Dell PC, Win7, Lightroom 5

Here's what corruption looks like in my view of the library. Note that all the pictures are the same. I just quick-draws a bunch of shots in the hallway to test this out.

Corruption.JPG

I first noticed the corruption on the PC, shooting photos of the 32 GB card. I bought a new hard drive (SSD hybrid), installed a clean version of Windows 7 and upgrade to Lightroom 5, then the 5.3 update. I have re-uploaded a few photos of the 32 GB card, and they are always corrupt. So here is my new events:

  • I shot a series of photos as mentioned above on 32GB card, downloaded on the laptop with a USB cable. The photos look good.
  • I shot a series of pictures on 4GB card, downloaded to the laptop with the same cable, they seem good.
  • I have imported the same photos of the card 4 GB and the 32 GB on the PC card with my existing Lighrtoom catalog and they are corrupt.
  • I created a new catalog of Lightroom on PC and downloaded the same pictures of the card 4 GB and the 32 GB on the PC card, and they are corrupt.

So, what gives? I think we can exclude from corruption or see questions on the hard drive, the operating system, the USB cable and both of the cards It baffles me that a new clean, new OS install HD catalogue, USB cable and upgrade Lightroom have not solved the problem. Is it possible that there is another part of the material on my PC which is corrupting the files?

I'd like an idea if people have ideas!

Thank you
Adam

AH HA!  Found the problem.

I was wrong when I said that I had read / edition / exported one of the files above.  It turns out it was another file in the series.  After several tests with the original memory card, it is clear that corruption happened in the car plug.  Try to view the images on the memory card via the card reader integrated on my Macbook Pro so that a 3rd party USB card reader both show the same corruption.  The card (or maybe camera, although less I think) corrupted file in the capture / write times.

I think that the reason why that corruption was not visible in Lightroom, until I saw to the magnifying glass was that I had the opportunity to "Build overviews" in LR "Minimal" value, which means that he was using the built-in previews and only renders don't not a preview of the file RAW itself. Lightroom only attempted to construct a standard in the RAW file preview once I opened it in the Loupe, so that's when corruption was first visible in LR. It's what made me think that I could see the file becomes corrupted on the fly. I had put in Lightroom to build some of the RAW file when you import (using the "Standard" or "1 / 1" ") likely corruption would have immediately shown.

Appreciate the feedback and advice.  Apologies for not doing my due diligence ahead and excluding the memory card.  I had been cheated on my previous interactions with files that threw me a little trail during troubleshooting.

Keep, nothing to see here

Tags: Photoshop Lightroom

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