How To Reboot Macbook Air With: Keyboard

| Mode | Keyboard Combo (at startup chime or Apple logo) | Purpose | | :--- | :--- | :--- | | | D | Tests for hardware issues (RAM, logic board). | | Recovery Mode | Command (⌘) + R | Reinstall macOS, restore from Time Machine. | | Safe Mode | Shift (⇧) | Disables non-essential software to fix boot issues. |

First, shut down your Mac (or force reboot via Method 2). Then press the Power button and immediately hold the key(s) above until the loading bar appears. Keyboard Reference for Older MacBook Air Models MacBook Air models with a CD eject button (pre-2016) use slightly different keys: how to reboot macbook air with keyboard