Lights out makes entire image go black in crop mode

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  • Updated 7 months ago

When cropping if I press the "L" key the image goes dark when using two screens. If I turn the secondary screen off it works fine.

Only happens in LR 6. Never happened before that.

Lightroom 6.12

Windows 7 Professional

NVidia Quadro FX 580 (driver up to date)

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Murray Sutton

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Posted 8 months ago

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Rikk Flohr, Official Rep

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I am not able to duplicate what you are seeing.
Sometimes weird behavior is corrected/cured by resetting the preferences. 

Reset Procedure: 

1. Close Lightroom.
2. Hold down [Alt/Opt]+[Shift] while restarting Lightroom. 
3. Overwrite the Preferences when prompted by the dialog.
4. Close Lightroom.
5. Restart Lightroom.

Does the behavior continue after resetting the preferences?
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Murray Sutton

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Hello Rikk.
Thank you for replying.
I manually deleted the preferences but that made no difference.
The issue may be associated with the fact that my Windows secondary monitor is the larger better one, so that is the one I have the main LR workspace loaded onto.
My Windows primary display now becomes the LR secondary.
Regards.
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Rikk Flohr, Official Rep

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Please note that the instructions above do not ask you do delete the Preferences file. Have you tried the procedure above?

If so and still unsuccessful:
Contact your video card manufacturer and determine the latest version of their driver that is compatible with your hardware. Make certain you have installed and are using that version. 
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Murray Sutton

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Edit: I just swapped the displays around and restarted LR. I'm still getting the image going dark in crop mode three out of four times.
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Murray Sutton

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"Please note that the instructions above do not ask you do delete the Preferences file. Have you tried the procedure above?"
I tried the procedure above for resetting preferences and it just takes me to the choose catalogue dialogue. At any rate, experience has taught me never to reset preferences without being able to recover them.
Renaming the "Lightroom 6 Preferences.agprefs" causes LR to create another .agprefs file, which is essentially the same as resetting preferences, no? And I haven't lost my original.
At any rate, it looks like an unsolvable video card/LR issue.
Regards

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Rikk Flohr, Official Rep

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If you do not get the dialog for the preference file reset, then you are missing something in the key combination.