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P: LrC Second monitor blurry in Ver 10.2 Develop Module

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When in the Develop module my second monitor becomes blurry. This happened at the time of 10.2 update. I am running iMacPro and MacOS Big Sur 11.2.3. Interestingly, LR system info incorrectly shows I'm running MacOS 10.16.0.

iMacPro

64GB Ram

Radeon Pro Vega 64 16GB

LG Ultra Fine Display 27in - Secondary Monitor

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kurt765

Participating Frequently

In the old site there was a way for Adobe to post that they acknowledged a bug. Do they have such a feature here?

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Victoria Bampton LR Queen

Community Expert

Thank you John, merged.

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Victoria - The Lightroom Queen

kurt765

Participating Frequently

When in Develop module, the secondary display image degrades to a low rez version and does not render a full resoultion image until switching back to Library module. This means I have to look at a blurry image on my 30" monitor when making any changes to an image, and this is incredibly annoying. This definitely is not the behavior LR Classic used to do as far as I can remember. How can I make it show me the results of any changes in Devevelop at full resolution on the secondary display?

I am experiencing this on a 2019 Macbook Pro 16" running Big Sur. Lightroom Classic 10.4.

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lwar1212

Participant

I'm having the EXACT same problem! I'm shooting RAW files and converting to DNG upon import. I spent almost 2 hours today with Adobe support chat and the issue hasn't been resolved the only thing they suggested is to copy the RAW files and then also build smart previews during import. I'm going to try to copy the RAW files to the computer and not convert to DNG and see if that helps at all. Let me know if you find a solution or work around.

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johnrellis

Legend

"Also, should I be concerned that LrC System Info does not reflect I am running Big Sur?"

No. Here's what LR and Mac OS report:

LR Help > System Info: Operating system: Mac OS 10; Version: 10.16.0 [20D91]

 > About This Mac > System Report > System Version: macOS 11.2.3 (20D91)

LR may be getting the version from /System/Library/CoreServices/SystemVersion.plist, which shows 10.16 (20D91). Google shows threads discussing this during the beta of Big Sur, but I didn't see any authoritative answer why SystemVersion.plist still shows an incorrect version.

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johnrellis

Legend

Adobe has acknowledged this problem:

https://feedback.photoshop.com/conversations/lightroom-classic/lightroom-classic-monitor-2-in-lightroom-classic-blurs-when-i-try-to-work-in-develop-module/605df8a6d310b55034d40aed

Please add details of your issue to the bug report, and be sure to click Like and Follow at the bottom of the first post. That will make it a little more likely that Adobe will prioritize a fix, and you'll be notified when the bug's status changes.

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AxelMatt

Community Expert

Please try to switch off the GPU support from the Lightroom preferences and check if that helps to fix the issue.

Go to Lightroom > Preferences > Performance tab > Uncheck "Use Graphics Processor" > Restart Lightroom.

https://helpx.adobe.com/lightroom-classic/kb/lightroom-gpu-faq.html#troubleshooting

https://helpx.adobe.com/lightroom-classic/kb/troubleshoot-gpu.html

Is your system up-to-date, especially the driver for the graphic card?

Please check if there is a new version of the driver.

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My System: Intel i7-8700K - 64GB RAM - NVidia Geforce RTX 3060 - Windows 11 Pro 26H2 -- LR-Classic 16 - Photoshop 28 - Nik Collection 9 - PureRAW 6 - Topaz Photo AI

StuMcSmithAuthor

Participant

It seems turning off acceleration has made second monitor useable again. I am running latest version of MacOS which is supposed to include Radeon driver updates as well. To reiterate, all was well until LrC 10.2 update.

Also, should I be concerned that LrC System Info does not reflect I am running Big Sur?

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Morris Taub

Participating Frequently

Perhaps this is a known issue?

I have two monitors connected to my macbook pro. One via hdmi. Two via thunderbolt. When I open Lightroom my library window is on monitor One. That image is always sharp. On monitor Two it's sharp until I hit 'develop' module. Then that image on monitor Two blurs. I noticed if I click on Library again monitor Two sharpens up again. But in develop if say i tap on clarity, exposure, contrast, texture, etc. it blurs again.

I've tried it with graphics acceleration on and off and it's the same.

And dang, I thought adobe had fixed the acceleration issue. Now it's worse. Before I just turned it completely off and lightroom was working great. Maybe I should go back a version? Can I do that? This blurring of the images on monitor Two never happened before.

Also, monitor Two is a more recent 27" nec that i use for print color and processing work. The monitor with my library on it, monitor One, is like 11 years old, another nec and still works fine for the library and all the controls in develop and print modules.

If it matters, my laptop is a 2015 mid-summer model. macOS is Catalina 10.15.7. 16gb of ram. Two graphics cards. 1. amd radeon r9m370x with 2 gb of video ram. 2. The intel iris pro 1536 mb.

thanks for any advice/help
Morris

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Morris Taub

Participating Frequently

Short PS. I see via the creative cloud window I can revert to 10.1.1

Will my current, saved catalog play nice with this older version? I don't remember if 10.2 updated my catalog to something unusable if i need to go back?

thanks

Morris

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