Are you sure? I've also had this vibrating issue and for me 100% it was some sort of grounding issue with the power. Have you tried testing it when the ac adapt

Are you sure? I've also had this vibrating issue and for me 100% it was some sort of grounding issue with the power. Have you tried testing it when the ac adapter is disconnected? Its sort of feels like a very low amperage electrocution whenever you rest your hand on the laptop(if you know what getting electrocuted feels like)