Setting up your Xbox 360 Slim involves three main steps: power, video, and controller sync. Power & Placement Can be placed horizontally or vertically.
Connect the 135W power brick to the console and a wall outlet. Connecting to a TV
Select the correct input on your TV to see the Xbox dashboard. Controller Syncing
Insert a DVD into the tray; the game usually starts automatically.
Ensure the cooling vents are not blocked to prevent overheating.