Hello,
Thank you for your forum post.
In regards to your calibration issue can you please confirm the firmware and driver, you can find these details by opening your ActivManager > control panel.
Also can you please confirm the model of your ActivBoard (this can be found on a stick on ActivBoard)
Once we receive your reply post we will advise further for a resolution.
Should you wish to contact us directly regarding this issue, I have created a case for you to quote. Your case reference number is - 431407
Thank you,
Craig
Promethean technical support