Xbox one “x” button not working - Microsoft
2018-12-30 · See this link for the steps: http://support.xbox.com/en-us/xbox-one/console/power-cycle-console If that didn't fix the issue then be sure to check if there is an update available for the controller, if there is no update or the issue is still present then start the Xbox Accessories app and try resetting the controller button mapping to factory defaults
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