Mirror iPad
1. Swipe down from the top-right corner on newer iPad models, or up from the bottom of the display, to access Control Center.
2. Tap the Screen Mirroring button.
3. Select your Apple TV.
4. If prompted, enter the passcode shown on your projector.
5. A check mark will show up next to your TV's name when a connection is made.
You can then go about using your iPad as you normally would, but everything you do on your screen will also be shown on the TV. To stop mirroring, open the Screen Mirror section in Control Center again and select Stop Mirroring.
Mirror Apple laptop
- Make sure your Mac and Apple TV are on the same network.
- Click the AirPlay status icon
in the menu bar, then choose your Apple TV. Note: If you don’t see the AirPlay status icon in the menu bar, restart the laptop and Apple TV. To restart the Apple TV, press and hold both the Back and TV buttons on the remote until the Apple TV status light blinks rapidly
- To set whether your desktop matches the size of the Mac screen or the TV screen, click the AirPlay status icon then choose This Mac or your Apple TV. When you’re using AirPlay Mirroring, the AirPlay status icon in the menu bar is blue.