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. Mouse is not working. My Tap is paired but nothing happens when I tap. Why do I need to update my Tap firmware? Double Tap Is Not Working Comments 0 comments Please sign in to leave a comment.