New to the MPC world. I don't see expansion pks in PLG scree By alltorain1 Tue Jan 27, 2015 12:05 am When I tried to use the expansion pks that came with the MPC Ren, when I go to plug in and then to the PLG screen the expansion pks are not in there? alltorain1 Posts: 5 Joined: Fri Jan 16th, 2015