Why does the computer speaker output not work?

It could be that the wrong output device is selected. For instance, it might say ‘AirPlay’ or ‘Soundflower’ underneath the ‘Computer Speaker’-option. Porthole sets the computer output device on startup, so follow these steps to change it:

  1. Quit Porthole completely (menu bar icon, Quit Porthole);
  2. Go into System Preferences (/Applications/System Preferences.app);
  3. Select Sound from the overview;
  4. Select your Built-in audio device for both Input and Output;
  5. Start Porthole again.

It should now say ‘Built-in Output’ or something similar under ‘Computer Speaker’ and Porthole will send the audio through that device.

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