Question: how do i connect my logitech wireless keyboard to my samsung smart tv?
Answer: I got a newer Samsung SmartTV so I will only speak to my personal experience. ... 
You need to insert the dongle into the USB port on your TV. ... 
Plug the receiver in the USB port on the TV and the keyboard will pair with it, You do not need to use the TV settings, just open the browser app on TV and it works.