The MAC address needed to register your Insignia Smart TV will be listed as either Ethernet Address or Wired MAC Address.(Note that the wired MAC address and the wireless MAC address are different) Press ▲ or ▼ to highlight WIRED, then press ENTER.Press ▲ or ▼ to highlight Network, Then press ENTER.Home>Settings>Options>Network>Wi-Fi Connection or Internet Connection.Your wired and wireless MAC address are listed at the bottom.Select System then Console Information.Select the Gear icon in the upper right corner.
The Mac Address will be listed on-screen.
You can also find both the Wireless ID and Ethernet ID on the UPC label on the bottom or back of the Apple TV box, next to the serial number.
The MAC Address will be listed as either Wireless ID or Ethernet ID.Media Players and Digital Video Recorders (DVRs) Apple TV