Is your video card compatible with this version of Lightroom? This may be related to your problem. Adobe Lightroom GPU Troubleshooting and FAQ Suggested system requirements and graphics cards 1 GB of VRAM (Video RAM, or RAM on the video adapter). 2 GB of dedicated VRAM is suggested for large, high-resolution (such as 4K and 5K) monitors. OpenGL 3.3. If you're not sure if your card fully supports OpenGL 3.3, contact the card manufacturer. Note: Use only one graphics card. Performance isn't enhanced with multiple cards. For NVIDIA cards, consider using a card from the GeForce GTX 760+ line (760, 770, 780, ...) or from the GeForce GTX 900 series For Intel cards, Intel HD Graphics 4400+, 5000+, 510+, P530, Iris Pro Graphics 5200, 6100+, P6300, P580 or later are required Unsupported graphics cards Mac OS: AMD Radeon HD 6000M series Intel HD 3000/4000 NVIDIA GeForce 9400/9400M NVIDIA GeForce 320M NVIDIA GeForce GT 330M NVIDIA GeForce GT 120/GT 130 NVIDIA GeForce 210 NVIDIA GeForce GTX 260 NVIDIA GeForce 8600M GT NVIDIA GeForce 8800 GT/GS NVIDIA GeForce 9600M GT NVIDIA GeForce 9800 GT NVIDIA Quadro FX 4800 NVIDIA GeForce NVS 3100M
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