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Source-Nexus I/O devices missing after reboot

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This article contains troubleshooting information

Some or all Source-Nexus I/O devices created in Source-Nexus Control Panel are missing after a reboot

Source-Nexus Control Panel | 1.0 | Mac

Description

After a reboot, some or all of the Source-Nexus I/O devices created using Source-Nexus Control Panel are no longer available.

Cause

The Source-Nexus I/O device settings are saved in /Library/Preferences/Audio/com.apple.audio.SystemSettings.plist

If this file does not exist, then the device settings will not be saved nor loaded properly after a reboot.

Actions

Create the missing folder and preference file.

To create the file the user would need the administrator permissions. Open the Terminal app and run the following commands:

  1. These will create the Audio folder:
    sudo mkdir /Library/Preferences/Audio
    sudo chown root:_coreaudiod /Library/Preferences/Audio
  2. These will create the System Settings file
    sudo touch /Library/Preferences/Audio/com.apple.audio.SystemSettings.plist
    sudo chown _coreaudiod:_coreaudiod /Library/Preferences/Audio/com.apple.audio.SystemSettings.plist
    sudo chmod g+w /Library/Preferences/Audio/com.apple.audio.SystemSettings.plist

After this is done, users should try creating new devices via Source-Nexus Control Panel and restarting the computer.

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