I had tried all the more complicated solutions to the problem of phone, printer, etc, connecting to internet, but not my Samsung TV doing so for access to Netflix et all -- re-entering SSID and passwords, disconnecting router, etc. In a fit of frustration, I disconnected the TV itself for 10 minutes. When I reconnected it, all was fine with its connections to my online services. Apparently, all mine needed was a time out. Hope this works for some of you!
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