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Headless Mode Setup for Luna Display

This guide covers Headless Mode for Luna Display — for use over a local network or wired connection.

Need remote desktop access to a headless Mac mini? (Checking on AI agents, accessing your desktop from your phone): See our Mac mini remote access guide →


⚠️ Important Hardware Notes

  • M1 Mac mini Users: You'll need an HDMI display for setup. Thunderbolt/USB-C only supports one display on this model.

  • Mac Studio or M4 Mac Mini Users: Plug Luna Display into one of the Thunderbolt 4 ports on the back. Front ports don't support displays.

  • Windows: Luna Display for Windows is NOT optimized for Headless Mode.


Step 1: Connect an External Monitor for Setup

Connect an external monitor, keyboard, and mouse/trackpad to your Mac mini or Mac Studio for the initial configuration.


Step 2: Download Luna Primary App

While the external monitor is connected, download Luna: Download Luna for Mac


Step 3: Disable FileVault

This is required for Automatic Login to work, and eliminates the need for a password upon booting up your primary Mac.

📱 macOS Monterey

  1. Go to System Preferences > Security & Privacy > FileVault

  2. Click Turn Off FileVault

💻 macOS Ventura and Later

  1. Go to System Settings > Privacy & Security > FileVault

  2. Click Turn Off


Step 4: Set Up Automatic Login

📱 macOS Monterey

  1. Go to System Preferences > Users & Groups > Login Options

  2. Select your user account under "Automatic login"

💻 macOS Ventura and Later

  1. Go to System Settings > Users & Groups

  2. Turn on "Automatically log in as"


Step 5: Add Luna Display to Login Items

🖥️ macOS Sequoia and Later

  1. Go to System Settings > General > Login Items

  2. Click the + under "Open at Login"

  3. Add Luna Display from the Applications list

💻 macOS Ventura

  1. Go to System Settings > General > Login Items

  2. Add Luna Display from there

📱 macOS Monterey

  • Go to System Preferences > Users & Groups > Login Items

  • Click the + and add Luna Display

🛠️Alternative Method

  1. Right-click the Luna Display icon in Dock or Finder

  2. Go to Options > Open at Login

🔧 Trouble Adding Luna Display on Ventura or Later?

If macOS prevents adding apps to login items:

  1. Open Luna Display on your Mac

  2. Right-click the Luna icon in the dock

  3. Go to Options > Open at Login

  4. Reboot your Mac if it doesn't save the setting


Step 6: Install Luna Secondary App

Download the free Luna Display app on your secondary device:


Step 7: Connect to Same Network

  • Connect both devices to the same Wi-Fi network.

  • For unstable networks, use a supported cable connection instead.


Step 8: Launch Luna and Follow Prompts

  • Open Luna on both your Mac mini/Studio and iPad/secondary Mac.

  • Follow onscreen instructions to connect.


Step 9: Disconnect External Monitor

Once Luna connection is active, you can safely disconnect the monitor.


⚠️ Important Reminders

  • User Login Required: A user must be logged in for Luna to launch automatically

  • FileVault Warning: If FileVault is enabled, your Mac may still require a monitor at boot to unlock the drive

  • Need to adjust your screensaver? Be sure to check Exclusive Fullscreen Mode to adjust the brightness, sleep and screensaver behavior of your secondary device.

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