Issue with different routerst

I had my system set up using net gear router w/o internet and all the devices worked fine. (except my BD player) Today I received my new Uverse modem/router (Pace America brand) and now my onkyo receiver will not be found by my Roomie. When I log into the router it shows that all items are connected the router eithe wireless or ethernet. Do I need to change some settings on my new router or is there something wrong with my Roomie.