Can't get OpenCl 1.2 on an Nvidia GeForce 720 display adapter to be used with Painter 2020

I'm using a Nvidia GeForce 720 display adapter that supports OpenCl but I can't get Painter 2020 to use it.  It appears the accelerator application recognizes it.  How do I get painter to use it?

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  • Some recommend starting program with Shift key held down and then choosing from the Splash screen Performance.  Some have had to repeat process to get it to read hardware properly.