Studio Display Scrambled Display

My Studio Display presentation shows a stack up, from top to bottom, of approximately 1/8 thick rows, with disconnected fragments of the display scene showing in the rows. If this was yesterday's television technology, I'd say there was a raster scan problem. This scrambled scene problem can be intermittent, sometimes going away if I move and hold the mouse cursor click button continuously down. My MacPro laptop display is OK. I've been power cycling the display and this has been successful in making the problem go away for a few days. I have the latest OS for the display and MacPro. Anyone else reported this problem? Resolution. Annoying and I'm afraid the problem will get worse.