LR 9.2 panels go black

Recently, once open and often in Develop mode and making a crop adjustment, the panels will go black. I've had no success in getting them to appear unless I exit LR completely. This appears to be a problem some time ago, but I'm current in Mac OS (10.15.3) and LR Classic. 

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LR 9.2 panels go black

Recently, once open and often in Develop mode and making a crop adjustment, the panels will go black. I've had no success in getting them to appear unless I exit LR completely. This appears to be a problem some time ago, but I'm current in Mac OS (10.15.3) and LR Classic. 

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Re: LR 9.2 panels go black

In Preferences/Performance, is use GPU on? Turn it off, what happens?

 

CMP: WIN WS 16GB OS 10; mid 2015 MBPr 15” 16GB MACOS 10.15.3; 4K EXT DSPY
APP: LRC 9.2, PS 21.1; CAM: Canon 5D Mk III, Fuji X-T3; Just another Adobe customer

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Re: LR 9.2 panels go black

Also, same area, if you have use GPU on, is it set to Automatic, or did you force Custom upon it?

 

CMP: WIN WS 16GB OS 10; mid 2015 MBPr 15” 16GB MACOS 10.15.3; 4K EXT DSPY
APP: LRC 9.2, PS 21.1; CAM: Canon 5D Mk III, Fuji X-T3; Just another Adobe customer

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Re: LR 9.2 panels go black

And if none of that helps consider resetting the preference file. Resetting the preference file is Adobe speak for deleating the preference file and then letting Lightroom Classic to recreate it.

 

The preference file can get corrupted, resulting in odd behavior. Some people have a knee jerk reaction in thinking they need to uninstall then reinstall Lightroom Classic, maybe that could be called for, but it would be better to first reset the preference file.

 

Be aware that resetting the preference file will result in Lightroom Classic creating a new catalog instead if opening your previously opened catalog (normally) so make sure you know where your catalog is. 

 

Be aware the resetting the preference file will revert some settings in Preferences to defaults. So be aware of what you have changed, so that you can put those back the way you want them.

 

some links:

 

https://lightroomers.com/replacing-the-lightroom-preference-file/745/

 

https://www.youtube.com/watch?v=bARt-hoCc2Q

 

https://helpx.adobe.com/lightroom-classic/help/setting-preferences-lightroom.html

 

https://helpx.adobe.com/lightroom-classic/kb/recover-catalog-images-resetting-lightroom.html

 

CMP: WIN WS 16GB OS 10; mid 2015 MBPr 15” 16GB MACOS 10.15.3; 4K EXT DSPY
APP: LRC 9.2, PS 21.1; CAM: Canon 5D Mk III, Fuji X-T3; Just another Adobe customer
Laura Shoe (https://laurashoe.com) shows you how to reset Lightroom's preferences to resolve buggy behavior. Check out Laura's comprehensive Lightroom Worksh...

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Re: LR 9.2 panels go black

GPU was set to automatic and I believe it was occuring then. I changed today to custom and enabled it. I will disable GPU first, then reset the preference file and post my results. 

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Re: LR 9.2 panels go black

Disabling GPU did not make a difference. As soon as I switch to a different view, the panels went black. I will attempt to remove the preference file.

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Re: LR 9.2 panels go black

Same result if I remove the preference file, as soon as I select a view, the panels go black. 

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Re: LR 9.2 panels go black

What is different is this happens when I move LightRoom to a secondary display using SideCar so I can use my iPad. So perhaps an issue with the display on iPad when in Sidecar?

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