Invalid Port

• The port may have been disabled. Right click the port in your Ports list and click Enable.

Finding your Ports List in your computer's Device Manager

• Windows 2K: Start Menu > Settings > Control Panel > System > click Hardware Tab > Device Manager... > expand Ports (COM & LPT)
• Windows XP: Start Menu > right-click My Computer > Properties > click Hardware Tab > Device Manager > expand Ports (COM & LPT)
• Windows Vista or Windows 7: Start Menu (Windows icon) > right-click Computer > Properties > Device Manager (left pane) > expand Ports (COM & LPT)

• If this did not help, Contact Parallax Tech Support for assistance.