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. Stop when the problem is resolved.īack up all data before making any changes.ġ. Please take each of the following steps that you haven't already tried. There are many possible reasons for sound output to fail.