This will most likely be due to the ActivDriver not being installed on the computer.
Please visit https://support.prometheanworld.com/product/activdriver to download the ActivDriver.
Once installed, you should see the icon on the taskbar to calibrate.
Promethean Technical Support
- Release notes for Radix VISO v1.42 (released 2 December 2021)
- Release notes for myPromethean Portal v1.6 (released 1 December 2021)
- Release notes for ActivConnect OPS-G v2.6.0 (released 17 November 2021)
- Release notes for ActivPanel Elements series v5.1.200 (released 20 September 2021)
- Release notes for Radix agent v1.27.1 (released 25 August 2021)