Thank you. one more question

about router:
I used to use DSL. I have a Netgear MR814v2 router, it worked very well.
I just change to Cable, then I couldn't use router. if no router, i can access internet.but after i connect moderm, router, computer, i can't.
I already reset the router(restore factory settings), but couldn't log in to the router, (which is go to 192.168.0.1), the browser always show me"the page can't be open".
would you please give me some opnion let the router works?