If you can plug in a power cord and ethernet cable, you can set up a powerline network.  Start by plugging a powerline adapter into a wall socket.  Don’t use filtered power strips or surge protectors, though, because they will interfere with the network connection.  Next, run an ethernet cable from the powerline adapter to a free LAN port on your router. 

Now plug a second powerline adapter (or a powerline switch containing multiple ethernet ports) into a wall socket in an y room where you want access to the powerline network.  After a few seconds, the two powerline devices will recognize each other and become connected.

You can then connect any device that has an ethernet port to your network.  In the living room, for example, you can hook up a video game console, DVR, Windows Media Extender, or network media player.  You can even hook up a Wi-Fi access point to bring coverage to a previously dead area.

The only installation issue you are likely to have is poor performance due to bad circuitry.  In an older home, outlets that do not have proper grounds or shielding may have severe interference problems.

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