Install the Smart Board software on your computer. Insert the software CD included with the Smart Board in your computer's disc drive. The installation software launches automatically. Follow the onscreen instructions. Turn off the computer, but do not remove the software.
Plug the serial cable's DB9 end that has only the plastic screw heads into the Smart Board. Plug the other end -- with the plastic screw heads and power plug socket -- into your computer's serial port. Finger-tighten the screw heads.
Unplug the keyboard from the computer. The keyboard adapter has three ends: a power plug, male keyboard connector and female keyboard connector. Insert the male keyboard connector into the keyboard port in the computer's back. Plug the keyboard into the adapter's female connector.
Insert the adapter's power plug into the back of the DB9 connector that is plugged into the computer. Power on the computer. The Smart Board's "Ready" light, located on the pen tray, turns red. Launch the Smart Board software from the "Start" menu.