If this has been answered here before, I apologize. I did a search, but couldn't find the answer. I received a new Comcast modem/router to replace an old Comcast Cisco modem I had been using with a Buffalo G router. After setup, the new router connected wirelessly to my laptop, several iOS devices, and a Samsung TV. I have not been able to get an internet connection on any of my DVRs, an HR44 and several HR2xes. (Interestingly, GenieGo has out-of-home connection, although it can't find any DVRs. I haven't been able to connect my Slingbox Solo, but I'll try again after running an ethernet cord from the SB to my laptop.) My whole home works. I have a CCK setup, with the hardwire to the router and an HR22-100. The DVRs are all set for static IPs. I tried resetting the Genie IP to the 10.0.0 series used by Comcast, with no luck. I then rebooted the CCK by pulling the power connection for 30 seconds, but that didn't help. I also tried a WPS push, to no avail. What should I try next? If I try Restore Defaults on Network Setup, will that change non-network settings, such as preferences or series manager?