![]() If none of these troubleshooting steps restores your Mac’s audio, contact Apple Support or visit an authorized Apple Service Center to get your device examined for potential hardware damage. Release the keys after 20 seconds when your Mac starts up for the second time, or when the Apple logo reappears on the screen. It can also boost the volume of individual songs, and instead. ![]() Rather than affecting the individual files, Boom 3D is a system-wide software that not only equalizes your volume but enhances your sound output. Press the power button and hold the following keys immediately: Option + Command + P + R. To get consistent sound throughout your system, it’s worth using a Mac equalizer software, such as Boom 3D, to level your audio library. To perform an NVRAM reset, power off your Mac and wait for it to shut down completely. Resetting the NVRAM can eliminate glitches causing your Mac to stop playing audio, especially if the problem occurs every time you shut down or reboot your Mac. Should this memory become corrupt, some sound-related functionality may fail to work correctly on your Mac. When you modify your Mac’s sound settings, the changes are saved in a component called the Non-Volatile Random Access Memory (NVRAM). ![]() ![]() If all the troubleshooting steps you’ve taken so far proved abortive, shut down your Mac and turn it back on. Connect your audio devices to your Mac and, if necessary, install any software included with the devices. Reboot the MacĪ simple device restart can fix all sorts of temporary glitches disrupting your Mac‘s audio functionality. Enter your Mac’s password and press Enter to proceed. ![]()
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