The device’s audio will not be played since Windows 10 does not detect it. The playback device is disabled: The playback device you’re trying to use may have been disabled by you or another source. Ensure you’ve followed the required connection procedure. You’re using wireless headphones, earbuds, or speakers. The wireless device isn’t paired: To work, all wireless technologies must be appropriately connected to your computer. The device you put into it won’t work correctly.

The playback device isn’t plugged Correctly: The port you’re using is damaged or isn’t set up to work with your system. Keep in mind that the problem may be distinct in each scenario. The following is a list of cases that have been reported in reports. There could be a slew of other reasons for this mistake. Then, after waking from sleep, if the problem returns check again to see what coreaudiod is doing.4.3 How do I install an audio device on my laptop? Main Causes: “No Audio Output Device is Installed” error? Note: Re step 4 above, before leaving your Mac and letting it go to sleep again, go through the process to check what coreaudiod is doing and make a note of this. Now check to see if your Input & Output devices are available again (without having to restart your Mac)Īssuming this solves your problem, at least you now have a much easier solution the next time it happens!.Quit the process by pressing the option command Q keys - or you can click on the button at top left of the window (as per the image below):.Now select the coreaudiod process by clicking on it.Make a note of the CPU percentage and amount of memory (for future reference).Now click the CPU and Memory tabs in turn to see how much of the CPU and how much memory is being used by coreaudiod.In the Search field at top right of the window, enter the following: coreaudiod.

Open Activity Monitor (by default this is located in Macintosh HD > Applications > Utilities).

Since booting into Safe Mode makes no difference, the next time you encounter this problem you can use Activity Monitor to check what coreaudiod is doing. Let me know how these steps went and we'll go from there.

Exit Safe Mode by restarting your Mac as normal.

does sound work, do you have sound devices listed in your Sound preference pane, etc)

Let go of the Shift key when you see the login window (NOTE: If you have FileVault enabled you may need to log in twice).

Immediately press the Shift key and keep it down.

The next thing I would do is try booting into Safe Mode.įollow these steps to boot your MBA into Safe Mode:

No output devices found