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No sound output detected mac

No Input and No Output Devices Found on MacBook Retina - Retina MacBook - iFixit

I was using it as per normal and shut it down. The next day I turn it on to use it and there isn't any sound through the speakers or headphones. I check the sound properties, and it says: No output devices found.

It also says No input devices found. Raichel Simon.


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  • What to do if the sound is not working on your Mac.

First, disconnect any external audio devices from your computer. Click the Output tab, then select Internal Speakers. Start with the above recommended steps. Don't skip any of the steps. It's the starting point for further efforts to solve the problem. If you've installed an application called "Memory Clean" or any other third-party software that is supposed to "clean" or "purge" memory automatically, remove it according to the developer's instructions and restart.

You should do that even if the software is not causing the problem, because it's useless. Other third-party software that has been reported to interfere with sound output includes "Boom" and "Samsung Kies. If an AirPlay device is selected for sound output from iTunes or from other applications via third-party software such as "Airfoil" , deselect it. Launch the application "Audio MIDI Setup" by entering the first few letters of its name in a Spotlight search and selecting it in the results it should be at the top.

Select Built-in Output from the list on the left. If the Mute boxes are checked, uncheck them. If a red light is visible in the audio-out port when sound should be playing, the internal switch is stuck in the position for digital output. You may be able to free it by inserting and removing a mini-stereo jack of the proper size. If not, the machine needs to be serviced. Inserting any kind of tool in the port may cause damage that won't be covered by the warranty.

No Input and No Output Devices Found on MacBook Retina 2015

If there's no red light, the switch may still be stuck in the headphone position. Try to free it the same way. Disconnect all wired peripherals except keyboard and mouse, if applicable. If more than one display is connected, disconnect all extra ones.

Check your sound settings

First, disconnect any external audio devices from your Mac. Then check to see if the line-out port is lit by a red light. If it is, your Mac might need service.

Repair Macbook Air No Audio/Sound Device Detected

Get help if the internal speakers on your Mac don't make sound If you don't hear sound from the built-in internal speakers on your Mac, make sure macOS is up to date and check your settings. Use the latest version of macOS The first step is to make sure that you're using the latest version of macOS.

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Check your sound settings If you still can't hear sound from the internal speakers after updating your computer's software, check your sound settings. Select Sound.


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