If your pointer doesn't line up with your pen on your activboard you need to calibrate.
Click on the ActivInspire Icon on the taskbar of your computer.
note you may have to expand the taskbar list before you see the icon. To do this click on the 'caret' on your task bar to expand the list
Click on Calib
Now you will need to go to your activboard and follow the instructions there. (basically you will touch the screen at the provided crosshairs. The first crosshair will appear at the top left. After 5 crosshair taps, your should see your computer screen again. Your activboard should now be calibrated.