Resetting NVAM will restore audio, time, keyboard preferences to default settings, which should solve the MacBook speakers not working problem. Step 4: Try to play any audio to see if the sound is back. Step 3: Continue holding down the four keys until you hear the startup chime twice or the Apple logo appears and disappears for the second time. Step 2: Turn on your Mac and immediately press and hold Command + Option + P + R. Step 1: Press the power button to turn off your Mac and remove all peripherals. By resetting it, you can fix audio issues such as no sound or locked volume.

NVRAM (Non-Volatile Random Access Memory) controls sound and volume settings on your Mac.

If this doesn't solve your case, move on to fix 2. To do this, click the Apple logo > Shut down to power off your Mac, wait a few seconds, then restart it again. The easiest solution to sound issues on Mac is to clear your Mac's memory and start fresh. MacBook Pro users with no sound or crackling sound problems have positive feedback towards the following 4 fixes. However, if you are using headphones or earphones, the output should be set to the external device.Īlso, make sure the volume isn't turned down, and the box next to Mute isn't ticked.įix MacBook Internal Speakers Not Working If you are using Mac's internal speakers, the selected device should be the built-in Internal Speakers. Regardless of internal or external speakers, the first thing you should do is click the Apple logo in the top-left corner and choose System Preferences > Sound > Output. have dust or waste in the headphone port.didn't keep the operating system up to date.didn't select the correct audio device.

Mac internal mic not working