POWER JACK on the right side of your computer. " Plug the other end into an electrical wall socket. Plug the round end of the POWER SUPPLY into the 2 Connecting The Power Supply switchbox onto the back of your TV. Peel off the paper strip that's covering the adhesive square on the back of the switchbox and stick the depending on your antenna). Connect the antenna leads to the screws on the bot tom of the switchbox (to the 75 or 300 ohm screws, SETTING UP YOUR COMPUTER