Begin using your remote control
1Point the remote control at the remote sensor. The remote sensor should be located near your monitor or in a convenient place. Make sure there is nothing blocking the pathway between your remote control and the remote sensor.
2To start Media Center and to open the Media Center
Start menu, press the Start button 
.
3If this is your first time using the remote control, the Media Center setup wizard opens. Follow the onscreen instructions to complete the remote control setup steps.
Or
If you have completed the Media Center setup wizard, the Media Center Start menu opens. Use the arrow keys on the remote control to select an item, and then press OK to select an option and to begin using Media Center.
22Microsoft Windows XP Media Center Edition 2005 Reference Guide