To unblock the volume on your MacBook, follow these steps:
1. First, click on the Apple menu in the top left corner of your screen and select “System Preferences.”
2. In the System Preferences window, click on the “Sound” icon. This will open the Sound preferences.
3. In the Sound preferences, go to the “Output” tab. Here, you should see a list of available audio devices.
4. Look for an item called “Internal Speakers” (the name may vary slightly depending on your MacBook model). This should be selected as the default output device for your sound.
5. If you don’t see “Internal Speakers” in the list, make sure your speakers are properly connected to your MacBook. If they are, try unplugging and replugging them to see if they are detected.
6. If you are using headphones or external speakers, make sure they are properly plugged in and selected as the output device if desired. Sometimes, when you plug in headphones, the MacBook automatically switches the output to the headphone jack.
7. If you see an output device other than “Internal Speakers” selected, click on “Internal Speakers” to make it the default output.
8. If “Internal Speakers” is already selected, but you still can’t hear any sound, try adjusting the volume slider in the Sound preferences. Also, make sure the volume is not muted by checking the box next to “Mute.”
9. Additionally, you can try resetting the sound preferences by clicking on the “Output” tab and then holding down the Option key on your keyboard. This will reveal a hidden “Reset” button. Click on it to reset the sound settings to their default values.
10. If none of the above steps work, you can try restarting your MacBook. Sometimes, a simple restart can resolve temporary issues with sound.
By following these steps, you should be able to unblock the volume on your MacBook and start hearing sound again.