Lightroom Classic 10.1.1 - photos in Library and Strip are grey blanks in Develop on Windows 10

New Here ,
Jan 22, 2021

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Windows 10 latest.

Lightroom Classic latest.

After many calamities with disc failures, improper movement of Elements then Lightroom files, and losing the last catalogue because I had not backed it up onto another drive, and other things, (all of which I think have taught me lessons that I wish I had known about when I first started), I have now brought all of my photo files, inclusing dupllicates that I will sort later, from many different sources to one folder location.

 

I was sorting these photos when I noticed that many were not visible in develop.  They have thumbnails and can be seen on the strip below.  All file types and sizes are affected. 

 

Clearly, I have done something.  What?  And how do I correct it?

 

 

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Problem or error, Windows

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Adobe Employee ,
Jan 22, 2021

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Hi,

 

We're sorry about the trouble with Lightroom Classic. Would you mind sharing a screenshot of the Lightroom Classic develop module so that we can understand the issue a little better?

Do the images have an exclamation mark on the top right in the Library module? Do you get a message when you open the images in the develop module saying the images are missing?

 

If not, you can try disabling the option to Use Graphics Processor from Lightroom Classic by going to Preferences, then Performance. Once done, quit & relaunch Lightroom Classic to check if that helps.

 

Regards,

Nikunj

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New Here ,
Jan 22, 2021

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2021-01-22.png

Nikunj

This is nothing to do with missing files or metadata conflicts.  Some of the photos have that, most do not.  I do not get a message.

I disaabledd the GPU ages ago.  It makes no difference. 

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New Here ,
Jan 23, 2021

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OK - final observation.  Having moved the error files to another location, I found I could open them and see them in Windows media programs.  I then created another folder and copied one error photo and one good photo into it.  I imported both into Lr and they are both visible in develop.  I have done this twice and it works. Wierd.  But it looks like I have a solution, even if I do not understand what was wrong in the first place.

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OursoulsDad AUTHOR LATEST
New Here ,
Jan 23, 2021

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Perhaps not final - as I can now see all of the photos but they have lost their metadata.  Not too important for these photos though. 

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New Here ,
Jan 22, 2021

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To add to the above, I can see that many of the photos are those that I would have deleted before.  (A massive clean up a month before my drive collapsed.)  For recovery, I had to use an earlier catalogue predating the deletes.  I would have thought pointing the missing photos to the new folder would simply pick up the photo and not lead to this problem. 

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Adobe Community Professional ,
Jan 22, 2021

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This could be caused by a defective monitor profile.

Try setting the monitor profile to sRGB (use Adobe RGB if you have wide gamut monitor).

With Lightroom closed, press the Windows key + R, type colorcpl in the box and press Enter.

Add the sRGB profile and set it as default.

If this fixes the issue, it is recommended that you calibrate the monitor with a hardware calibrator.

This will also create and install a custom monitor profile that describes your monitor accurately.

 

color-management.png

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New Here ,
Jan 22, 2021

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Before I do that, would that not be a problem for all of the photos?  It is only about 20% of my photos that exhibit the problem.  Some of those problematic photos have a duplicate elsewhere that is showing perfectly.

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New Here ,
Jan 22, 2021

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Under Advanced, the colour management is already showing as sRGB IEC 61966-2.1

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Adobe Community Professional ,
Jan 22, 2021

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The Advanced tab is irrelevant, setting the monitor profile is done in the Devices tab.

 

I see that the image selected in your screenshot is missing. If all images that don't display are missing, it's probably because they are missing.

If random images are not displaying, you might have corrupted develop previews.

Go to Edit > Preferences > Performance > Camera Raw Cache Settings, and click the Purge Cache button.

This will delete the develop previews, and force them to be regenerated.

 

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New Here ,
Jan 22, 2021

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I have set the colour profile as you said for the monitor. 

I have put the "grey develop" photos into a different catalog (export to new catalogue).  I have purged the cache in both catalogues.  The greyed develop photos are still greyed.

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