Device doesn't recognize headphones (Mac OS)
Select specifications which apply:
Solutions (3)
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Reset the NVRAM
0(0)0(0)NVRAM (nonvolitile random-access memory) is a small amount of memory that a Mac uses to store certain settings, such as display resolution, sound volume, startup-disk selection, time zone, and access them quickly. If this issue is related to the NVRAM, you can resolve it by resetting the NVRAM.
To reset the NVRAM, follow the steps below:
- Turn off the Mac.
- Press and hold the Option, Command, P and R keys for 20 seconds.
- Release the keys after the second start-up sound.
More infos
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Reset the System Management Controller (SMC)
0(0)0(0)- Shut down the computer.
- Unplug the computer's power cord.
- Wait for about fifteen seconds.
- Re-attach the computer's power cord.
- Wait for five seconds and press the power button to turn on the computer.
Note: Follow these steps if you use a Macbook:
- Shut down the computer.
- Plug in the MagSafe power adapter to a power source, connecting it to the Mac if its not already connected.
- On the built-in keyboard, press the (left side) Shift key, Control key and Option key and the power button at the same time.
- Release all the keys, including the power button at the same time.
- Turn the computer back on.
More infos
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Set "Internal Speakers" as an output device
0(0)0(0)- Click the Apple menu and select System Preferences.
- Click on Sound and select the Output tab.
- Choose Internal speakers.
More infos
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