If you're happy the batteries are good (try them in another device to test), try these steps:
In most cases, your remote will pair automatically after you insert the batteries. If it doesn’t, follow the steps on the TV screen, or press and hold the Back and Home buttons on the remote for 3 seconds.
We haven't heard from you in a while so we’ll be locking this thread after 24 hours. If you're still experiencing problems, please feel free to start a new thread and we'll be happy to help.