Please contact our Technical Support Team with the serial number of the projector in question; they would best be able to suggest the best courses of action to take with this unit.
In the meantime, please reference Article 10757 on our Knowledge Base for suggestions on how to properly maintain our Promethean-branded proejctors.
(Support Case 00491250)
- 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)