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Your device will get the latest updates automatically when it connects with Comcast's server. Is your security software/firewall blocking the connection? Are you sure you have the right network and password? Multiple devices won't connect via wifi?
Everything is connecting fine. It just isn’t working after it’s connected. I’ve read other posts about needing a firmware update and thought maybe that was the issue with mine too. It’s not a Comcast gateway so it does not update automatically.
First of all; having your devices all connected by Wi-Fi is an internal thing for your home network. Your problem is you are not connected to the Internet.
You mentioned you have a separate modem / router. That can be re-set by unplugging it a minute or two, and plugging back in for re-set.
Your Internet comes from your Comcast gate-way. Do you have your Comcast gateway bridged, or properly set up to handle your wifi modem / router?
I connect to the WiFi fine but no internet access.
For a test, does a computer hardwired directly to the 6580 with an ethernet cable also have the same problem ? Or is this a WiFi only problem ?