[header] How to hook up an atari to a modern television set [title] Plug in the atari to an outlet. [step] It's obviously not going to work unless it has some power. [title] If you have the original tv/game switchbox that came with the atari console, you can try to hook this up. 
[step] Unless your television is old enough to still have places to screw the two wires with the u-shaped things on the end, you will need an adapter. [title] Purchase an adapter for about $5.