HI we had this problem when we had bought ours at easter. Take the battery cover off your remotes and open the little door at the front of the wii, press the red button on the remote it first leaving your finger on it, then press the red sync button on the wii and take your fingers off both red buttons and then wait 30 sec and then press the red button on the wii remote and if this works one light will light up on the bottom of the wii remote. Then follow through doing this with all the wii remotes as they will all need to be done. This is how we had our remotes work for us, Then once all the remotes are done just press the off button on the wii and wait a minute to turn it back on. Hope it works for you as it did for us!!! Cheers