So I switched from a old arris modem / router to a surfboard sb8200. I purchased a router with it since the sb8200 is only a modem. Now when I try to log into the modem to adjust settings I cannot log in. I have forgotten my old user name and password and I have attempted to reset the device and use the admin / password login but it still tells me incorrect username and password. Is this something I am going to have to contact customer support for? Or is there an easier fix?