MacBook randomly landed volume when the headphones are connected.

Hey,.

There is something wrong with my MacBook. When I plug my headphones, the Mac randomly landed the volume at any time. I thought the keyboard can be broken, but it doesn't happen when the headphones are connected so it may be a problem with the software (I think?). Has anyone experienced the same problem? Do you know how to fix this?

My Mac is the MacBook Pro 15 "retina (mid-2014) running the El Capitan 10.11.6

Please try resetting the memory NVRAM and SMC.

Reset the NVRAM/PRAM memory.  http://support.Apple.com/kb/PH18761

Reset the SMC. Choose the method for "If the battery is good behaviour."

https://support.Apple.com/en-us/HT201295

Tags: Notebooks

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