I nserting any kind of tool in the port may cause damage that won't be covered by the warranty. If not, the machine needs to be serviced. You may be able to free it by inserting and removing a mini-stereo jack of the proper size. 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. If the Mute boxes are checked, uncheck them.ħ. 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.
#MAC OS YOSEMITE BOOT SOUND SOFTWARE#
If an AirPlay device is selected for sound output from iTunes (or from other applications via third-party software such as "Airfoil"), deselect it.Ħ. Other third-party software that has been reported to interfere with sound output includes "Boom" and "Samsung Kies." If applicable, uninstall according to the developer's instructions ( not by dragging something to the Trash.)ĥ. You should do that even if the software is not causing the problem, because it's useless.Ĥ. 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. Make sure you have a fully up-to-date installation of OS X.ģ.
It's the starting point for further efforts to solve the problem.Ģ.
Start with the steps recommended in this support article. Back up all data before making any changes.ġ. Take each of the following steps that you haven't already tried. There are many possible causes for this issue.
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