After days of trying everything (unplugging the tv, updating the software, manually entering DNS numbers, restoring the tv to factory settings, rebooting the router, etc) I finally broke down and called 800-SAMSUNG.  The representative instructed me to use the original Samsung TV remote control and hold down the Power Button until the TV turned off and then back on again (then release)...problem solved!  I can't believe what a simple fix it was after trying so many technical resolutions.   I took the time to share my feedback hoping it can help someone else from days of frustration.  ... View more