Hello,
it is nearly impossible to find the cursor in a resolution of (3840x2160). Please buy a display with the resolution und point your view in the bright nebula in amarr space. It is really impossible to find the cursor in this situation.
Please find the cursor on this image:
It is there, i did not delete it. Please try to find it and then fix the problem
Please scale the cursor with the UI Scaling Parameter for this purpose.