Chosen Solution
on/off light flashes but dose not connect to console . was working earlier. changed batteries. did not help
You should manually pair the controller to the Xbox. Use this link to help you. https://support.xbox.com/en-US/xbox-360/…
i am also having this problem. .with all 4 of my controllers..none of them will connect..fresh batteries nor resyncing did any good. .worked absolutely perfect last night