I can’t feel vibrations on the thumb when I turn on. Sabrina Kemeny Updated February 17, 2018 21:33 Follow Download and open the TapManager App. Make sure that the Vibration Setting is ON. Related articles My Tap Strap won’t turn on. Why do I need to update my Tap firmware? My Tap is paired but nothing happens when I tap. The mouse is moving in the wrong direction. Mouse is not working. Comments 0 comments Please sign in to leave a comment.