CBR750 Fails after firmware update

I'm having the exact same problem with my CBR750 and COX service. I'm in San Diego and my internet died some time early last Thursday the 19th. My orginal CBR750 was purchased back in April this year and was running the 3 series firmware (not sure of the exact version). COX came out and verified that everything on their end was good and suggested that the modem may have died inside my CBR750. I purchased a brand spanking new CBR750 that arrived on Sunday the 21st, I updated to the latest version 4 firmware; same exact problem!!! All lights light up with the exception of the online one that continuously blinks and then the ring light turns magenta. I have talked with NETGEAR and have opened a case with them.

So bottom line, whatever has caused this affects multiple firmware versions.