slow display on primary monitor

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    Develop module Fast display on 2nd monitor, slow on primary monitor

    Operating System: Windows 7 Pro 64 bit Lightroom Version: (Please go to Help menu > System Info to double check the exact version number) Classic version: 7.0 [ 1140024 Question or Description of Problem: When in Develop, with the 2nd monitor set to Loupe, the image displays instantly when...