How to setup TP-Link wireless N router TL-WR840N Today we perform the TP-LINK TL-WR840N wifi router setup. First use a LAN cable connected between the computer and wifi TP-LINK via 1 of 4 LAN ports. NC Sep 16, 2021 480 tplinkwifi.net 192.168.0.1 TL-WR840N TP-LINK