General Tips & News

Try Your Macbook in Closed-Display Mode With an External Display

Obviously you can take an external display or projector with a Mac notebook when its built-in display is closed. We call this as closed-clamshell or closed-display mode.

First Check your requirements

As you use closed-display mode with your Mac notebook, so you can check below list:

  • An AC power adapter or an external display that runs power over USB-C or Thunderbolt 3 (USB-C).
  • An external keyboard and mouse or trackpad, either USB or wireless.
  • USB-C to USB adapter or cable if you’re using a USB mouse or keyboard with a Mac that has USB-C ports.
  • An external display or projector.

Second enable closed-display mode

  1. Connect your USB keyboard or mouse to your Mac or external display, or pair your Bluetooth keyboard or mouse with your Mac. If you use a Bluetooth keyboard or mouse, choose Apple () menu > System Preferences, click Bluetooth, then confirm Bluetooth is on.
  2. Connect your Mac to power with the AC power adapter. Some external displays, like the LG UltraFine 5K, also charge your Mac.
  3. Connect your external display or projector to the appropriate port on your Mac. Use an Apple video adapter in case of any need. Some external displays have a USB cable that needs to be connected to your Mac.
  4. Finally, when your Mac notebook’s desktop appears on the external display, close your computer’s lid. Probably You have to push a key or click your mouse to wake the external display.

In case your external display or projector doesn’t turn on after you connect it to your Mac, connect your display when your Mac is off, and then start your Mac.

Third disconnect your display or projector

Before you disconnect your display or projector, put your Mac to sleep.

click Apple () menu > Sleep, then disconnect your display or projector.

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