Do you have a touchscreen laptop that isn't allowing your touchscreen input to be displayed on your Promethean board? This (not very good) video shows This video will show how to change a setting in the ActivInspire software that you can toggle to enable touchscreen input:
I tried it on my computer and it seems to work. Here are the steps:
1. Go to the File menu and select ‘Settings’
2. Select ‘Dual Mode ActivBoards’ on the left.
3. Change ‘Touch input handling’ to ‘Touch or Stylus