What is ActivInspire?Flickering

Hi April.
If the projector is flickering white and black on the splashscreen with no cables connected I would recommend contacting Promethean Technical Support directly so we can advise further on this particular issue.

You can contact Promethean Technical Support by filling in the form on the below link:
Or alternatively contact us via phone, a full list of support numbers can be found on the below link:
In either instance please quote reference number 00469741.