The Laptop Air’s USB-C ports are essential for charging, data transfer, and connecting peripherals. If one or more of these ports stop working, it can significantly impact your ability to use your device effectively. This issue can be caused by software glitches, physical damage, or outdated firmware.

Start by testing the problematic USB-C port with different devices and cables. If none of them work, the issue is likely with the port itself. Try connecting the device to another port on your Laptop Air, if available. If the other port works, the problem is isolated to the first port. Restart your Laptop Air to see if this resolves the issue, as a simple reboot can clear temporary software glitches.

If restarting doesn’t help, reset the SMC, which manages hardware functions, including USB-C ports. For Laptop Air models with the T2 Security Chip, shut down your laptop, then press and hold the power button for 10 seconds before releasing it and turning your Laptop Air back on. This can often restore functionality to malfunctioning ports.

Check for Laptop updates, as outdated software can cause compatibility issues. Go to System Preferences > Software Update and install any available updates. If the port still doesn’t work, inspect it for physical damage or debris. Use a flashlight to look inside the port and, if necessary, clean it gently with compressed air. Avoid using sharp objects, as they can damage the internal connectors.

If the port remains non-functional, it might be damaged internally. Contact Apple Support or visit an authorized service provider for a professional diagnosis. They can determine whether the issue is with the port, the logic board, or another hardware component. If your Laptop Air is under warranty or covered by AppleCare, you may qualify for a free or discounted repair.

To prevent future issues, handle your USB-C ports with care. Avoid forcing connectors into the ports, and regularly clean them to prevent dust buildup. Using high-quality cables and adapters can also help reduce the risk of damage and ensure reliable connectivity.