Thanks to JL_JL who messaged me about this possible solution. Microsoft has added a way to force select which GPU to use with desktop OR universal apps! Just upgrade to the latest Windows 10 1803 build 17134.1. Go to Windows Settings / System / Display. In the right pane, there is now a new Option 'Graphics Setting' at the bottom. Select that. Choose Classic app for desktop app like PD15 or 16. Browse to the pdr.exe and Add. Choose iGPU or dGPU.

That should do it. I haven't tested it yet on my laptop, but will as soon as I get a chance today. Intel i7 4770k, 16GB, GTX1060 3GB, Two 240GB SSD, 4TB HD, Sony HDR-TD20V 3D camcorder, Sony SLT-A65VK for still images, Windows 10 Pro, 64bit
Gary Russell -- TN USA