Classic 15.6 – Both monitors go black during AI Reflection Removal (Best Quality, RTX 4090)
Lightroom Classic 15.6 – Both monitors go black during AI Reflection Removal processing (Best Quality, RTX 4090)
Issue Description
I'm experiencing a critical issue with Adobe Lightroom Classic 15.6 when using the AI-powered Reflection Removal feature.
After activating Reflection Removal with the processing quality set to Best, Lightroom begins processing the image and displays the green progress bar.
However, shortly after processing starts, both connected monitors suddenly turn completely black.
The computer remains powered on: the system fans continue spinning, and the LEDs on the motherboard and NVIDIA GeForce RTX 4090 remain illuminated.
Neither monitor recovers automatically, and I have to restart the computer to restore display output.
Steps to Reproduce
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Launch Adobe Lightroom Classic 15.6.
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Open an image in the Develop module.
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Enable the AI-powered Reflection Removal feature.
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Set the processing quality to Best.
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Start processing the image.
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Lightroom displays the green progress bar, indicating that AI processing is underway.
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Shortly after processing begins, both monitors suddenly turn black.
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The displays remain black, requiring a system restart.
Expected Result
Lightroom Classic should complete AI Reflection Removal processing at Best quality without causing display output loss or system instability.
Actual Result
During AI processing, while the green progress bar is displayed, both connected monitors suddenly lose their display output. The computer remains powered on, but the screens do not recover without a restart.
System Configuration
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Application: Adobe Lightroom Classic 15.6
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Operating System: Windows 11, version 26H2
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Graphics Card: NVIDIA GeForce RTX 4090
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Display Configuration: Dual-monitor setup
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AI Reflection Removal Quality: Best
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NVIDIA Driver: Version 617.42 (installation underway; not yet tested)
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Driver version during the original issue: 617.14
Possible Technical Cause
The issue appears to occur during the GPU-intensive AI processing stage rather than immediately upon activating Reflection Removal.
This could indicate a GPU driver crash, graphics processing hang, or compatibility issue involving hardware acceleration and the AI Reflection Removal processing pipeline.
The exact cause remains undetermined.
Impact
The issue makes AI Reflection Removal unusable at the selected Best quality setting and forces a system restart, severely disrupting the photo editing workflow.
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