Why is my Mac volume stuck on mute?
Check the system Prefs > Sound make sure you have Headphones selected and the volume control and Mute settings are correctly set. Click the Built-in Output. Make sure that no box is checked under “Mute”.
How do you restart the sound controller on a Mac?
Restart the sound controller
- Go to Applications > Utilities and double-click on Activity Monitor to launch it.
- In the search bar, type ‘coreaudiod’ to locate the Core Audio controller.
- Click on coreaudiod, then click ‘X’ in the toolbar to quit it.
- Coreaudiod will restart.
Why is the mute button on my MacBook Air stuck?
Select Built-in Outputfrom the list on the left. If the Muteboxes are checked, uncheck them. 7. If a red light is visible in the audio-out port when sound should be playing, the internal switch is stuck in the position for digital output.
How to fix my MacBook Air volume stuck?
Check the system Prefs > Sound make sure you have Headphones selected and the volume control and Mute settings are correctly set. Was this answer helpful? Click the Built-in Output. Make sure that no box is checked under “Mute”. Was this answer helpful? I just ran into the mute stuck problem with my mid 2010 MBP.
Why is my audio not working on my MacBook Pro?
If a red light is visible in the audio-out port when sound should be playing, the internal switch is stuck in the position for digital output. You may be able to free it by inserting and removing a mini-stereo jack of the proper size. If not, the machine needs to be serviced.
How do I turn off audio on my MacBook Pro?
Turn off your MacBook. When you turn on your MacBook a grey apple appears on the screen – before that grey apple appears press these keyboard buttons Command + Option + P + R (hold the keys at the same time). Hold they keys until you hear the sound you usually hear when you turn on your MacBook the second time.