Try to reboot the controller by getting it totally out of power. (let the joystick few days maybe out of charge + press all the buttons together) then plug in the controller to C-type data cable to the same PC where the Vive headset is connected. then Press all buttons including the trigger for few seconds( you may need to unplug and plug again and repeat the process few times. Then wait until it get some charge and try to pair it after that .[br]
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Good luck ))