Please help. TV screen says problem connecting to XI platform. Error code is RDK-03004. XI DVR shows IPST. I have tried rebooting multiple times following xfinity instructions on tv screen and internet. I read that this is a long standing problem discussed in comcast forums without a clear solution. Everything is new- Samsung TV, Netgear CM500 modem, Netgear WIFI router. All installed and connected by Comcast tech about a month ago. Now I have no TV, no internet via wifi. Wifi won't connect to smartphone anymore either. TV screen is now stuck on 'WELCOME Powering up. This may take a few minutes.' It's been over an hour. I am not a techie. HELP!
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