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.
- Release notes for ActivInspire v2.21 (released 5 January 2021)
- Release notes for ActivPanel Elements Series v4.3.0 (released 16 December 2020) and v4.3.1 (released 7 January 2021)
- Release notes for myPromethean portal v1.4 (released 2 December 2020)
- Release notes for ActivConnect OPS-G v2.4.4 (released 16 October 2020)
- Release Notes for ActivPanel Elements Series v4.2.0 (released 30 September 2020)