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Lightroom Classic 9.3 Nef corrupted problem.

Community Beginner ,
Jul 28, 2020

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A Nef file edited and saved to Jpeg yesterday was ok. Today the Nef file has red lines (diagonal due to a levelling crop). Yesterdays Jpeg and today's attached. Restarting LrC 9.3 did not help. lightpainting (30 of 37).jpglightpainting (30 of 37)-2.jpg

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Bug, Import and export, Problem or error, Windows

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Lightroom Classic 9.3 Nef corrupted problem.

Community Beginner ,
Jul 28, 2020

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A Nef file edited and saved to Jpeg yesterday was ok. Today the Nef file has red lines (diagonal due to a levelling crop). Yesterdays Jpeg and today's attached. Restarting LrC 9.3 did not help. lightpainting (30 of 37).jpglightpainting (30 of 37)-2.jpg

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Bug, Import and export, Problem or error, Windows

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Jul 28, 2020 0
Adobe Community Professional ,
Jul 28, 2020

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Normally this is a sign of hardware failure:

memory card going bad

problem with the card reader

USB cable broken

bad sectors on the hard drive

 

In this case, since the problem is new and well after being copied to the hard drive, the first suspect is a bad sector on your hard drive. Of course, a good second opinion is to try a Nikon program (View NX-i or Capture NX-d) just to verify it is not a raw interpreter problem.

 

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Jul 28, 2020 1
Community Beginner ,
Jul 29, 2020

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Thank you for your response. I've since found that opening the NEF file outside Adobe it is fine. The problem only manifests in LrC and Photoshop. 

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Jul 29, 2020 0
LEGEND ,
Jul 29, 2020

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That's because other software often shows you the JPG preview which can be uncorrupted when the RAW image itself is corrupted. So, the conclusion remains ... the only known source of this particular type of corruption is hardware.

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Jul 29, 2020 1
Adobe Community Professional ,
Jul 28, 2020

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Try turning off the option to use the GPU in the LrC Preferences on the Performance tab and test.

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Jul 28, 2020 1
Community Beginner ,
Jul 29, 2020

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I've not tried that yet. Mainly because it's only affecting one image in a folder that holds 100s Thinks for the hint. 

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Jul 29, 2020 0
Community Beginner ,
Jul 29, 2020

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I'm now convinced it's a Library glitch. Red lines are not there in the Develop module or any other Raw file viewer. 

Here is the same image viewed in the Library and Develop modules. LrC glitch.jpg

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Jul 29, 2020 0
LEGEND ,
Jul 29, 2020

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Then the RAW file itself is not corrupted, but the preview that is shown in the Library Module is corrupted.

 

What happens if you select this photo in the library module and Library->Previews->Build 1:1 Previews?

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Jul 29, 2020 1
Adobe Community Professional ,
Jul 29, 2020

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And when you turn OFF GPU?

Could also be a corrupted display profile. Recalibrate, build a new display profile. Might clear up. Don't make a LUT based profile if the product provides such an option, just Matrix profile, Version 2, not Version 4 profile. 

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Jul 29, 2020 1