Samsung PN51D490A1DXZA E-Manual page 88

● If your AP supports WPS (Wi-Fi Protected Setup), you can connect to the
network via PBC (Push Button Configuration) or PIN (Personal Identification
Number). WPS will automatically configure the SSID and WPA key in either
mode.
● If your router, modem, or device is not certified, it may not connect to the TV
via the "Samsung Wireless LAN adapter."
● Ensure the TV is turned off before you connect the Samsung Wireless LAN
adapter.
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