Written by Susanne Kraft, firstname.lastname@example.org
Go to System Preferences> Security>
Turn off Disable remote control infrared receiver and click on Pair
Click OK here and gold the Menu and Next buttons on the remote until the remote is recognized. @5 seconds you will see the mac screen dim and a remote with a chainlink above it will flash.
The remote will now be paired. And will work with Powerpoint keynote and several other apps DVD player too.