Surface Pro 3 Pen Doesn't Stay Connected Fix What to do if your Surface Pro 3 pen disconnects after a second or two. The Microsoft Surface Pro 3 is an incredible machine, when it's working. Stuffing a desktop into a tablet is a big job and every now and then something strange will happen. This is what to do when your Surface Pro 3 pen connects for a second and then disconnects. Scot Ranney, August 24, 2016