How to Fix Disabled Volume Button on Macbook | Sound locked on Mac | Volume keys not working on MAC

It worked the restarting, thank you

thank for help...😍

Thank you!

Thanks very much 🙏🏻🙏🏻

Note working😒😒😒🙏🏻🙏🏻 help please
Macbook pro
Macbook a1278
This my laptop

thankksss youuu

nahhhhh

whats wrong with mine is that whenever I click delete it turns the volume up and the actual button doesn't work and none of these worked for me☹☹