Pressing the volume buttons on the keyboard flashes up the level indicator on the screen but it does not change or bring sound, and also a little restricted access sign appears underneath the volume’s emblem.Įliminating Software problems causing no sound / no audio from Macġ. Repair Disk Permissions and Reboot : Before starting any troubleshooting, I highly suggest you to repair disk permissions as it solves hundreds of problems.When rebooting your Mac, you do hear the start up chime, but as soon as you get to the login screen, the output audio does not work.ġ0 troubleshooting steps everyone should follow in case of no sound / no audio from Mac.Opening garage band brings up an error code “Core Audio: Selected Driver not found.You might not get sound either from your internal speaker or from headphones,.The Sound Preference panel says “No Input Devices Found” and “No Output Devices Found”, and the volume slider is grayed out with a grayed Mute box ticked.Various apps complain that the machine has no sound output capability.You may find one or more of the following symptoms in your Mac, when it experiences audio / sound related problem or when there is no sound or no audio from your Mac. But before we focus on the troubleshooting steps of ” no sound or no audio, no output device found” error, let’s read some very common audio related issue and their symptoms. Fortunately I have explained every possible cause that you may think of, in order to resolve ” no sound or no audio from your Mac” issue. It may be caused by either software or hardware problems. Several users have reported this issue with their audio output not showing up, leaving them with a muted / silent Mac and an error message in System Preferences stating, “No output devices found.” This issue have been around for quite a long time and majorly occurs in Macbook Air and Mac mini.
Although Apple Macs are much reliable than other computers, sometimes something just goes wrong and you do not get sound / audio from your Mac or your Mac can not find any input or output audio devices. Imagine how frustrating it could be if your mac does not produce sound / audio while watching a movie or a video. You can not afford to have a Mac without sound /audio functionality because everyone needs audio at one time or another. No sound / no audio from a Mac is a very common problem.
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