The screen flickers when you click on play

The screen flickers when you click on play in cubase 11.5. There is no flicker when watching videos and in other programs. The Benq 3501R monitor . nvidia graphics card gtx 1080 driver 516.59. cable display port 1.4

Hi, you have to disable HiDPI.

HiDPI turned on/off, flickers when playing in both modes

Best would be to post a video showing the issue.