Sound issue is one of the popular problems you may encounter on a Mac.
Several useful ways are provided in the following sections to help you fixsound not working on Mac.
Method 2: check the cables from the display and the ports on your Mac.
![]()
Method 4: check the Sound configs.
Method 5: restart the sound controller.
Method 6: upgrade your macOS to the latest version manually.

it’s possible for you to also set your Mac to check for software updates automatically.
kindly start to recover Mac files immediately after you find they were deleted or lost during the update process.
Method 7: reset SMC (System Management Controller).
![]()
Method 8: reset the PRAM (ParameterRandom Access Memory).
If still cant fix the sound problems on Mac, pleasecontact Apple Support.
double-check its connected properly.

Method 2: double-check the power switch on the external speakers is turned on.
Then, turn up the volume and test again.
Method 3: check the headphone jack for debris.
There may be a red light indicating that something is blocking the port.
Method 4: check the power switch and have a go at turn up the volume on your receiver.
Thats all about how to troubleshoot sound not working on Mac yourself.