LaurMetall wrote Ok. I did EXACTLY as you showed me: Here, a LAN cable WAS connected to a yellow port of my router ! ok your problem is the cable -.- or the plug, u need change the plug, or buy usb...

ok your problem is the cable -.- or the plug, u need change the plug, or buy usb card ethernet see your pic

you need reset the navegator , security config or advanced config on reset factory

Region : Argentina Model : TL-WR740N Hardware Version : V4 Firmware Version : ISP : Why dont have update for WR740N v3 , v4 only have update of 2013 2014, but version oldest no. PLEASE UPDATE e.e...