Comcast just swapped my older modem for a arris tm504g emta modem. A little up front research can prepare you for internet access failures and other computer networking problems.

The Spectrum Mystery Modem E31 2v1 Larry Talks Tech
Arris router wifi light blinking. All of the other lights on the router are solid. The computer will automatically connect to the gateway and acquire an ip address if configured to automatically do so. The post below details a similar problem but their usds light was blinking in addition to the 24 and 5ghz lights. My itouch says it found a connection but there is actually no internet being fed through. The wireless symbol on the netgear router keeps blinking. An indicator light on both devices will be lit if the connection is made.
Wireless 50ghz is off. The wifi lights should be blinking to indicate the network is in use but none of my devices can even find our wifi network. It is even making my routers activity light flash. The link or ethernet light is constantly flashing. No wifi client associated with the wifi cable modem. The blinking lights on a router are talking to you.
The wireless could be failing. I have an arris modem and a netgear router. The modem has not registered with cableamerica servers. Wireless 24ghz is off. Contact help desk to verify the mac address of your cable modem. Online led is off or flashing.
The mac address is located on the bottom of the cable modem. The company develops technologies products and services that make mobile experiences possible. Arris portfolio includes communications infrastructure enterprise mobility solutions digital set tops cable modems mobile phones and bluetooth accessories. This light is often labeled as internet wan or marked with a symbol of globe or a satellite flying. Most routers have a single light dedicated solely to the status of the internet connection. I have tried unplugging the power cord from the router.
24ghz and 5ghz band led lights consistently blink causing intermittent wifi connection try resetting the router to factory default to see if it sorts out the wireless. And on the netgear no light is on other than the power with the blue wifi light flashing. Arris is known around the world for innovation in communications. Five years is a long time in a routers life. Connecting with an ethernet connection connect your computer to the arris gateway using an ethernet cable.