
If your external display or projector doesn't turn on after you connect it to your Mac, connect your display while your Mac is asleep or off, then wake or turn on your Mac. The Nighthawk App lets you easily monitor and control your home WiFi from anywhere. You might have to press a key or click your mouse to wake the external display. After your Mac notebook's desktop appears on the external display, close your computer's lid.Some external displays have a USB cable that needs to be connected to your Mac. The IP address will change at each reboot, as the MAC address of the board is not fixed. Use an ➔ Apple video adapter if necessary. a hardware board which acts as an external display emulator. Connect your external display or projector to the appropriate port on your Mac.Some external displays, like the ➔ LG UltraFine 5K, also charge your Mac. Connect your Mac to power with the AC power adapter.
#Mac extended display emulator Bluetooth#
If you use a Bluetooth keyboard or mouse, choose Apple () menu > System Preferences, click Bluetooth, then verify Bluetooth is on.

You can use an external display or projector with a Mac notebook while its built-in display is closed.
#Mac extended display emulator how to#
Learn how to use an external display with your Mac notebook while its built-in display is closed.

Use your Mac notebook computer in closed-display mode with an external display
