Lightroom: Canon t2i raw file thumbnails are scrambled

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  • Problem
  • Updated 3 years ago
  • (Edited)
When I import CR2 files from my Canon t2i, the initial previews look fine but then get scrambled when the RAW data loads. I've tried different cards, different card readers. I am using Mac OS 10.10.1 Yosemite.

Someone suggested I trash the LR preferences file, I tried it with no success.

I tried importing CR2 files into Capture One, and it works fine.

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Jeff Hayward

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  • frustrated

Posted 5 years ago

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Christian Ruvolo

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Hi,
I hade the same problem with LR and my Macbook Pro last year, after I updated my Ram. All my files became corrupted when LR tried to rebuild the previews (as it happens on import from card), but also when I rebuilt the previews from older fotos or other catalogs!!. After building in another RAM from other manufacturer, the problem went away immediately (so the ram I purchased the first time was corrupted). Just my experience. I was happy to have a complete backup of my pictures and catalogs on external hard drives, otherwise I would have lost many images.
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Christian Ruvolo

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Hi, I had thes same problem some years ago. It was a bad RAM that i builted in (8GB9. After having buider a new RAM and built in never ever again Ihad a problem. Hope this help.