1. Check to ensure that the remote is in the correct mode for the type of device it controls.
2. Replace the batteries in the remote to ensure proper functionality.
3. Check the direction by aiming the remote directly at the television.
4. Test the remote by pressing the volume control buttons.
5. Attempt to sync the remote with the television to ensure it is communicating properly.
6. Double check that all cables are securely connected to the television and remote.
7. Reset the television and the remote.