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With no digital audio output connected, there is no way to change the volume or hear a sound. However, sometimes the sensor failed to recognize when a digital audio device had been unplugged, and so the audio output remained locked on digital output, with no way to change it. The Mac would then change the output to headphones or digital output accordingly. On those Macs, there was a sensor in the port that detected whether a headphone jack or a digital audio device was plugged in. The most common occurrence of this problem is on pre-2015 Macs that had digital audio output support in the headphone jack. If the volume control is not working on your Mac, either using the keyboard or the slider in the menu bar or System Preferences, it could be ’stuck’ on mute. Mac volume not working and stuck on mute? After your Mac restarts, check if the volume is back to normal. To reset NVRAM/PRAM, shut down your Mac, and press Option-Command-P-R on its start-up. These are small parts of your Mac's memory that control sound volume, time zone, display resolution, and other settings on your Mac. The first thing you can do to troubleshoot the issue is to reset NVRAM/PRAM. Maybe some app conflicts with your speaker settings, or maybe there's something else. If you've faced issues with the speaker volume on your Mac, it's likely a software-related problem.

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Mac sound not working still? If no software audio drivers interfere with your Mac’s sound output, nothing plugged into the headphone jack, USB, or Thunderbolt ports, and your sound still doesn’t work, the next step is to restart the sound controller.
#DOES 2017 MAC PRO HAVE A HEADPHONE JACK FOR FREE#
You can download CleanMyMac X for free here. By using CleanMyMac X, you can be sure you’ve deleted all the files associated with the app and that it hasn’t left anything behind. To do that, you should use a dedicated uninstaller like CleanMyMac X.ĬleanMyMac X makes it very easy to completely uninstall any app so that it doesn't leave any fragments or stray files behind. You could just drag the app to the Trash, but that won’t uninstall it properly or remove all the files the app has placed on your Mac. The best thing to do in that instance is to uninstall the app.
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Some applications, like screen recorders, install their own audio output drivers so that when you record the screen, you can direct your Mac’s output to the recording app. Is there an app interfering with the sound? If you check your sound settings, you see a USB device selected rather than built-in speakers, and you can’t change it, disconnect all USB devices from your Mac and try again.

If there is, install it.īefore installing either a new version of the OS or an update, back up your Mac using Time Machine or whatever backup tool you normally use. That will check for updates and let you know if there’s one available.
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To check that, click Software Update in the About This Mac window. If you don’t want to install Monterey, at least make sure you’re running the latest update to whichever version of the OS is installed. If you’re not running Monterey, you should consider installing it by going to the App Store app and clicking on it in the sidebar on the right-hand side of the main window. Now the latest version is macOS Monterey. The window that opens will have the name of the version of macOS currently installed at the top. To check which version of macOS your Mac is running, click the Apple menu and then About this Mac. If there’s still no sound on your Mac, Apple’s advice is that the first thing you should do is make sure you’re running the latest version of macOS. Are you running the latest version of macOS?
#DOES 2017 MAC PRO HAVE A HEADPHONE JACK PDF#
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