Insert fresh batteries into the Comcast remote
Turn on the TV and the device you want to control
Find the remote setup code for your TV or device
Press and hold the Setup button until the LED changes color or blinks
Enter the code using the number buttons
Wait for the LED to confirm the code
Test the Power, Volume, and Input buttons
If the code does not work, repeat with another code
Use the Comcast remote setup menu on your TV if available
Follow on-screen prompts to pair the remote
Program additional devices by repeating the setup process
Reset the remote if needed and try again