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CR2 converted to dng

NN155833UL
I have converted 431 CR2 files to dng in Adobe Lightroom2. Only 2 files are shown as thumbnail images in MediaPro. All files works fine in media view. Can anyone tell me why not all the 431 dng-files can be shown as thumbnail images?
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Comments

10 comments

Date Votes
  • rmoorlag
    Did you already tried to rebuild them?
    Roelof
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  • NN155833UL
    Yes, I have tried to rebuild.
    John
    http://www.johng.dk
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  • rmoorlag
    I'm willing to test some of your images in one of my catalogs.
    Roelof
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  • NN155833UL
    Thank you. I am not familiar with this forum. How can I send them to you?
    John
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  • rmoorlag
    With Dropbox, sendit or something similar i think.
    There is no option for this on this forum...
    Roelof
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  • rmoorlag
    John, see my results on the files you send in this PDF:

    Do You have the option to test on a second machine?
    I think its best to log a support call for this:

    go to and click on "Contact support"
    The direct link is:

    Roelof
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  • NN155833UL
    Hi Roelof
    Thank you very much for helping! My pc is running win7 ultimate with Intel core i7 and 16gb ram. No problems with
    dng in other programs such as PS5 or Idimager5. I will try the support.
    John
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  • rmoorlag
    You probably already tried to 'switch' the rendering engine?
    Maybe rebuilding after switching...?
    Let us know when it's resolved (with or without help from support)
    Roelof
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  • NN155833UL
    I got good help from the support (and you). The dng files are now shown as thumbnail images.
    I think the problem was solved by a combination of switching and rebuilding. Thank you for helping.
    John
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  • NN2080473
    How do you "switch" the rendering engine? I am having the same problem with Leica DNG files not showing up as thumbnails.

    Nevermind. I found it and rebuilt everything. Some DNGs are now showing up but many more are not.
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