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Forum Discussion
Nighthawk R7900P no internet with Xfinity Arris SB6190
I bought and installed an Arris SB6190 and called Xfinity support to get it activated. All works fine when connected to my laptop via RJ45 and I'm connected to the internet. When I connect to t...
Try this.
Power off both the modem and the router. Disconnect all cables from both. even coax from modem. let them sit a minute or 2.
then connect coax back to the modem. power it on. wait a few minutes for it to fully boot.
then connect lan cable from modem to wan port on router.
power the router on. give it a couple minutes.