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Image thumbnails in Catalog appear gray after moving Lightroom Classic To New Computer

New Here ,
Apr 10, 2020

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Hello all.  I purchased a new MacBook Pro and i am trying to move LR Classic from my old Mac to my new Mac.  I do not wish to use Migration Assistant so I doenloaded LR Classic from the Adobe site.  I then moved over "Lightroom Catalog.lrcat".  I also moved to the new computer "Lightroom Catalog Previews.lrdata".  This file is 101 GB's.  When I opened LR Classic on the new computer, it told me that I had to update the ctalog, so I did.  I now have new files with "-2" at the end of the file names, such as "Lightroom Catalog-2.lrcat".  My question is, when I open LR Classic on the new computer, I see all of my photos organized as they should be and I can see the collections that I created, but I do not see te images.  All I see are gray, boxes where the photos should be displayed.  Does anyone know how I can get the photos to disply?  I have the files in the correct location but I don't think LR is seeing the "Lightroom Catalog Previews.lrata" file.  Is this because LR created the "-2" version?  How can I get LR to be where I left off on the old computer?  Do I need to connect the extrnal drive that contains all the photos and let it rebuild?  Thank you for any help.

 

 

{Thread title edited by moderator}

Hi there,

 

Do the image in the catalog show as missing (with an exclamation mark on the top right of the image thumbnail)? If the images are saved on an external drive as you have mentioned, please connect the drive and allow Lightroom Classic to process. If it is not able to link the images with the external drive, you may need to relink the folders to the location on the external drive maually. 

You can check: https://helpx.adobe.com/lightroom-classic/help/locate-missing-photos.html

 

Regards,

Nikunj

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Image thumbnails in Catalog appear gray after moving Lightroom Classic To New Computer

New Here ,
Apr 10, 2020

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Hello all.  I purchased a new MacBook Pro and i am trying to move LR Classic from my old Mac to my new Mac.  I do not wish to use Migration Assistant so I doenloaded LR Classic from the Adobe site.  I then moved over "Lightroom Catalog.lrcat".  I also moved to the new computer "Lightroom Catalog Previews.lrdata".  This file is 101 GB's.  When I opened LR Classic on the new computer, it told me that I had to update the ctalog, so I did.  I now have new files with "-2" at the end of the file names, such as "Lightroom Catalog-2.lrcat".  My question is, when I open LR Classic on the new computer, I see all of my photos organized as they should be and I can see the collections that I created, but I do not see te images.  All I see are gray, boxes where the photos should be displayed.  Does anyone know how I can get the photos to disply?  I have the files in the correct location but I don't think LR is seeing the "Lightroom Catalog Previews.lrata" file.  Is this because LR created the "-2" version?  How can I get LR to be where I left off on the old computer?  Do I need to connect the extrnal drive that contains all the photos and let it rebuild?  Thank you for any help.

 

 

{Thread title edited by moderator}

Hi there,

 

Do the image in the catalog show as missing (with an exclamation mark on the top right of the image thumbnail)? If the images are saved on an external drive as you have mentioned, please connect the drive and allow Lightroom Classic to process. If it is not able to link the images with the external drive, you may need to relink the folders to the location on the external drive maually. 

You can check: https://helpx.adobe.com/lightroom-classic/help/locate-missing-photos.html

 

Regards,

Nikunj

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Mac, Problem or error

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Apr 10, 2020 0
Adobe Employee ,
Apr 10, 2020

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Hi there,

 

Do the image in the catalog show as missing (with an exclamation mark on the top right of the image thumbnail)? If the images are saved on an external drive as you have mentioned, please connect the drive and allow Lightroom Classic to process. If it is not able to link the images with the external drive, you may need to relink the folders to the location on the external drive maually. 

You can check: https://helpx.adobe.com/lightroom-classic/help/locate-missing-photos.html

 

Regards,

Nikunj

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Apr 10, 2020 0
New Here ,
Apr 10, 2020

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Hi Nikunj.

 

Thank you for the reply.  Yes, there is an exclamation mark and the photos show as missing.  If I connect the external drive then all the photos show up but they are slow to populate as I scroll through.  I had the drive connected for a few minutes and when I reopened LR after disconnecting the drive, some of the image thumbnails are showing now.  Do I need to simply leave the external drive connected and eventually all the thumbnails will show up?  If yes, then did I need to transfer over the "Lightroom Catalog Previews.lrdata" file?  I assume LR is creating a new one of these.  Also, is there a way to see a progress bar or someway to know when this action will be completed?  Thank you again for your help.

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Apr 10, 2020 0
Adobe Employee ,
Apr 10, 2020

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You can leave the drive connected with Lightroom Classic running so that the application can re-index the files and in a way refresh the previews. Also, you would need to keep the drive connected while editing the images. You can see the progress if you initiate the preview generation (1:1 previews or smart previews) manually. You can do that by going to the Library menu in the Library module, then Previews and select the option to build 1:1 previews.

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Apr 10, 2020 0
New Here ,
Apr 10, 2020

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Thank you again for your reply.  I will leave the external drive connected and LR open.  I do not wish to create smart previews for all of the photos because that would take up too much drive space so I will assume that the thumbnail images will recreate without a progress bar visible.  Can you please tell me when this is all done, if all of my edits will still be there?  Thank you for your time.

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Apr 10, 2020 0
Adobe Employee ,
Apr 10, 2020

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When the previews are being generated in the background like in the case of a catalog upgrade we do not see a progress bar. It may take some time depending on the number of images in the catalog.

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Apr 10, 2020 0
New Here ,
Apr 10, 2020

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Great.  I will just let it run then.  Thanks again for your help.

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Apr 10, 2020 0
mikemp LATEST
New Here ,
Apr 15, 2020

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Just an update to this issue.  I needed to go to "Library" - "Previews" - "Build Standard Size Previews".  This solved my problem of not being able to see the thumbnail images when my external drive was not conneted.  Thank you for your help.

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Apr 15, 2020 0