Assure that there is a clear path between the remote and the remote sensor located in front of the TV.
The remote may not be aimed directly at the TV or at an optimal distance. Try aiming it directly and at different distances.
The batteries in the remote may be weak, dead, or installed incorrectly. Adjust the batteries if they are installed incorrectly, or replace all batteries.
Reset the remote control by removing the batteries and pressing number 1 for 60 seconds, then re-install the batteries.
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