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gregw822
Participating Frequently
May 10, 2021
質問

Preview unavailable

  • May 10, 2021
  • 返信数 2.
  • 4505 ビュー

This seems to be a longstanding problem. I'm getting that "Preview unavailable for this file" message.

 

Here are the data from Help/System Info:

 

Lightroom Classic version: 10.2 [ 202103041821-226a1211 ]
License: Creative Cloud
Language setting: en-US
Operating system: Mac OS 10
Version: 10.16.0 [20E241]
Application architecture: x64
Logical processor count: 4
Processor speed: 3.5 GHz
SqLite Version: 3.34.0
Built-in memory: 8,192.0 MB
Real memory available to Lightroom: 8,192.0 MB
Real memory used by Lightroom: 229.5 MB (2.8%)
Virtual memory used by Lightroom: 7,758.6 MB
Memory cache size: 52.1MB
Internal Camera Raw version: 13.2 [ 738 ]
Maximum thread count used by Camera Raw: 3
Camera Raw SIMD optimization: SSE2,AVX,AVX2
Camera Raw virtual memory: 120MB / 4095MB (2%)
Camera Raw real memory: 122MB / 8192MB (1%)
Displays: 1) 5120x2880

Graphics Processor Info:
Metal: AMD Radeon Pro 575

    このトピックへの返信は締め切られました。

    返信数 2

    TheDigitalDog
    TheDigitalDog
    Inspiring
    May 10, 2021

    First, try using the free Adobe DNG converter and convert to DNG, any better?:

    https://community.adobe.com/t5/lightroom-classic/quot-preview-unavailable-for-this-file-quot-sony-arw-help/m-p/10424109

    Author “Color Management for Photographers" & "Photoshop CC Color Management/pluralsight"
    G
    gregw822作成者
    Participating Frequently
    May 10, 2021

    I had a support guy from Adobe online this morniung. He spent more than an hour tracking down the problem, which he said came about because the newest version of LRC haas differnt permission functions. I had to give the tech access to my computer, and I watched as he went through Security & Priacy/Privacy/Files and Folders to give full access to LRC, PS and Bridge. Upon reestart, the import woerked fine. I'm not entirely sure that's all he did. It took a bit of poking around before he was able to work it out. It was good to actually have the problem solved rather than find a work around. 

    johnrellis
    johnrellis
    Legend
    January 15, 2024

    iPhone 12 Pro for me, but if my daughter sends a photo to family group chat, I may add it to mine and she is using iPhone 15 Pro.  Or my wife may text a photo I like (iPhone SE2) and I add it to my camera roll.   It happens with all these different photographers, hrandomly.  All our phones are IOS 17.2 with the exception of mine which is on 17.3 public beta.

     

    Once the photo is on my phone camera roll, I utilize iCloud sync and the photos show up in Apple Photos on my iMac Pro.  Used to do the cable and Image Capture, but not for 3-4 years now.

     

    All these photos show up fine in Apple Photos.  No trouble seeing the image.


    From there I select the ones I want and export them to my Synology NAS, where the pictures are organized into folders by year and/or event.  Some may go into Jan 2024 folder, some may go into folders for a property we own up at Donner Summit.  This is my sorting system.

     

    From there, I launch LR and import the photos into the LR catalog.

     

    Lightroom Classic version: 13.1 [ 202312111226-41a494e8 ]
    License: Creative Cloud
    Language setting: en-US
    Operating system: Mac OS 14
    Version: 14.3.0 [23D5051b]
    Application architecture: x64
    Logical processor count: 20
    Processor speed: 3.0GHz
    SqLite Version: 3.36.0
    Built-in memory: 65,536.0 MB
    Real memory available to Lightroom: 65,536.0 MB
    Real memory used by Lightroom: 1,917.7 MB (2.9%)
    Virtual memory used by Lightroom: 50,374.5 MB
    Memory cache size: 764.6MB
    Internal Camera Raw version: 16.1 [ 1728 ]
    Maximum thread count used by Camera Raw: 5
    Camera Raw SIMD optimization: SSE2,AVX,AVX2
    Camera Raw virtual memory: 30MB / 32767MB (0%)
    Camera Raw real memory: 32MB / 65536MB (0%)
    Standard Preview Size: 5120 pixels
    Displays: 1) 5120x2880

    Graphics Processor Info:
    Metal: AMD Radeon Pro Vega 64
    Init State: GPU for Export supported by default
    User Preference: Auto

    Application folder: /Applications/Adobe Lightroom Classic
    Library Path: /Users/bdavies/Pictures/Lightroom/Lightroom Catalog-2021/Lightroom Catalog-2021-v13.lrcat
    Settings Folder: /Users/bdavies/Library/Application Support/Adobe/Lightroom

    Installed Plugins:
    1) AdobeStock
    2) Aperture/iPhoto Importer Plug-in
    3) Flickr
    4) Nikon Tether Plugin

    Config.lua flags: None

     

     


    When you import the attached JPEG into LR 13.1, you get the following:

     

     

    But the following 12 apps (Mac unless indicated) can read the photo correctly:

     

    Acrobat, Chrome, Edge, Firefox, Image Viewer, Photos, Photoshop Elements
    2020 Editor, Preview, Safari, Windows Paint, Windows Photos, XnView MP

     

    The photo was taken on 1/12/2024 with an  iPhone 12 Pro, IOS 17.3. 

     

    The proximate cause of the problem is the ICC profile, "Apple Wide Color Sharing Profile". Using Exiftool to delete the profile allows the image to import into LR correctly. That profile can be generated by Apple Photos.app when exporting a photo with Color Profile: Most Compatible.

     

    Others have reported this problem:

    https://community.adobe.com/t5/lightroom-classic-discussions/preview-unavailable/m-p/14353747#M352658 

    https://www.lightroomqueen.com/community/threads/some-exported-photos-from-macos-sonoma-photos-app-will-not-import-in-lightroom-13-0-1.48692/

     

    That all those other apps are able to read the photo strongly suggest that there's a bug in LR handling the profile, rather than the profile not conforming to the ICC standard.

      johnrellis
      johnrellis
      Legend
      May 10, 2021

      I assume you're seeing that message on grey thumbnails in the Import window?  What is the exact file type and camera model of the photo or video you're trying to import?

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