Fixing a Non-Working Microphone on MacBook Air
## Direct Answer
If your MacBook Air’s microphone is not working, restart your computer, check the microphone settings, and ensure that the microphone is selected as the input device. You can also try resetting the System Management Controller (SMC) and the Power Management Unit (PMU).
## Step-by-Step Guide
To fix a non-working microphone on your MacBook Air, follow these steps:
1. **Restart your MacBook Air**: This is the simplest solution and can resolve many issues.
2. **Check the microphone settings**: Go to System Preferences > Sound > Input, and ensure that the microphone is selected as the input device.
3. **Check for blockages**: Make sure that the microphone is not blocked by dust, dirt, or other debris. Use compressed air to clean out any blockages.
4. **Reset the SMC and PMU**: Resetting these components can resolve issues with the microphone. To reset the SMC, press the power button, the Command + Option + Shift + Power buttons, or the Power button and the Volume Down button (depending on your MacBook Air model). To reset the PMU, unplug the power cord, press the power button for 5 seconds, and then release it.
5. **Update your operating system**: Ensure that your MacBook Air is running the latest version of macOS. Go to System Preferences > Software Update to check for updates.
6. **Disable and re-enable the microphone**: Go to System Preferences > Sound > Input, and uncheck the box next to the microphone. Wait for 10 seconds, then check the box again.
## FAQ
– **Why is my MacBook Air’s microphone not working?**: The microphone may not be working due to a variety of reasons, including blockages, incorrect settings, or issues with the operating system.
– **How do I know if my MacBook Air’s microphone is working?**: You can test your microphone by going to System Preferences > Sound > Input, and speaking into the microphone. If the input level meter moves when you speak, the microphone is working.
– **Can I use an external microphone with my MacBook Air?**: Yes, you can use an external microphone with your MacBook Air. Simply plug the microphone into the computer’s audio input jack, and select the external microphone as the input device in the Sound preferences.
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