How to Run Diagnostics on MacBook Air M4: A Step-by-Step Guide

Preparing Your MacBook Air M4 for Diagnostics

• 💡 Ensure your macOS is up to date by checking system settings for software updates.
• ⚠️ A Wi-Fi connection or Ethernet cable is required for the diagnostic process.
• 🔌 For software updates, connect the charging cable and allow ample time for the download and installation.

Accessing the Diagnostics Menu

• 🔲 Shut down your MacBook Air M4 completely.
• 🚀 Press and hold the power button until startup options appear, then release.
• ⌨️ In the startup options menu, press and hold Command + D until the diagnostics begin.

Running and Interpreting Diagnostics

• 🌐 Connect to a Wi-Fi network when prompted to proceed with the diagnostics.
• ⏳ Wait for the diagnostics to complete, which may take some time.
• ✅ Review the results to see which hardware and software elements passed or failed.
• ℹ️ If an issue is detected, look for the information icon for potential solutions.

Exiting Diagnostics Mode

• 🚪 Click the left arrow icon to navigate back from the results.
• ❌ Select Cancel to exit the diagnostics menu.
• ↩️ Choose Restart to reboot your MacBook Air M4 and return to normal operation.