RHINO for Mac WIP - ISSUE WITH RENDERED VIEWPORTS

Hi Guys

so basically I’ve got a problem that whenever I create a rendered viewport I get these big black squares within in that covers parts of my drawings

any idea what might be causing this

doesn’t happen in shaded or wireframes viewports

Hi - Please run the Rhino SystemInfo command and post the result here.
Also, please upload a screenshot of what you are seeing in Rendered. Thanks.