Mac Keyboard Volume Buttons not Working: Here Is How to Fix These Keys

Mac volume key fails? Quick Repair Guide!

Mac volume keys are not working properly? Whether it’s enjoying music, watching movies or having important video calls, it’s very frustrating. Don't worry, this article provides effective solutions to help you quickly restore audio control.

Reasons for Mac volume key failure:

Volume key failure is usually not a hardware failure, but a software setup or failure. Common reasons include:

• Audio driver failure
• Keyboard settings change
• External speaker control
• Other software interference

Most of the problems can be easily solved.

How to fix the volume key failure of Mac keyboard:

The following methods will help you solve the volume key problem:

1. Check keyboard settings: Volume key failure may be related to keyboard settings.

   1. Click the Apple menu and select "System Settings".
   2. Select Keyboard.
   3. Check whether “Use F1, F2 and other keys as standard function keys” is enabled. If enabled, disable it.

   

2. Check sound settings: Connecting an external audio device may cause sound output to switch.

   1. Click the Apple menu and select "System Settings".
   2. Select Sound and go to the Output tab.
   3. Make sure to select the Mac speaker as the sound output.
   4. Confirm that the "Mute" button is not selected.

   

3. Restart PRAM/NVRAM: PRAM/NVRAM stores important settings, including volume. Resetting it may solve the problem.

   1. Turn off Mac completely.
   2. Press and hold the Option, Command, P and R keys for about 20 seconds while powering on.
   3. Release the button after hearing the second startup prompt or seeing the Apple logo.

4. Remove Google Music Extensions: Music extensions such as Google Music Extensions may conflict with media keys.

   1. Open Google Chrome.
   2. Click the three-dot menu icon in the upper right corner.
   3. Select More Tools > Extensions.
   4. Find and remove the Google Music extension.

   

5. Restart Mac: Restart can solve some software problems.

   1. Click on the Apple menu in the upper left corner of the screen.
   2. Select Restart.

   

6. Reset Core Audio: Reset Core Audio can fix audio system problems.

   • Method 1: Terminal command: Open the terminal, enter sudo killall coreaudiod and press Enter.
   • Method 2: Activity Monitor: Open the Activity Monitor, find the coreaudiod process and force exit.

   

7. Update Mac: Updating macOS to the latest version can solve the driver problem.

   1. Open System Settings.
   2. Select Software Update.
   3. Check for and install updates. (Remember to back up important data)

   

8. Check Audio MIDI settings: Make sure the Audio MIDI settings are correct.

   1. Use Spotlight to search and open "Audio MIDI Settings".
   2. Confirm that "Built-in Output" is selected.
   3. Check if the format is set to "2ch-16-bit integer and 44100Hz".

   

9. Contact Apple Support: If the problem persists, please contact Apple Support for help.

   

Other suggestions:

• MacKeeper的智能卸载程序can help remove extensions that may cause problems.

Hope these steps will help you solve your Mac volume key problem! If you have other sound or keyboard issues, please refer to other relevant guides.

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