Hi
We're sorry to hear you're having some troubles with your remote. I suspect the remote you have is the Champion as it has the large green button at the top - this button can be programmed to turn the tv and cable box off and on at the same time. It's possible that this has gotten out of sync - if you happened to turn the tv off another way, and then press this button it might be turning the TV on and the box off and vice versa. Can you try making sure both the tv and cable box are on at the same time, and then use the larger green button to turn it off and on? If that doesn't work properly please let us know.