If the Xbox sync button is not working, replace the controller batteries first and see. This article lists some fixes that will help you.

If your Xbox One Controller Home button is not working, it might be running on outdated firmware. Here are some working fixes to try.

How to sync an Xbox One controller To sync a wireless controller with your Xbox One, first turn on your controller by holding the Xbox button until it flashes.

Alternatively, try using a new set of batteries to be sure. Troubleshooting Xbox One controller sync issues What you can do if your wireless Xbox One controller still won’t sync?

PC: Turn on the controller, press the sync button, open PC's Bluetooth settings, and pair when the controller appears. Alternatively, you can instantly connect a controller to a console or PC with ...

Can't figure out how to connect your Xbox One controller? Follow these simple steps, and you will be up and running in no time.