Due to the installation of third party audio drivers like Soundflower or if the audio components of Boom 1/Boom 2 exists or if the external monitor/display connected, then the Mac will automatically select the mentioned devices as sound output.Please select the preferred output device/internal speaker manually as the Sound output from the System Preferences to get the audio again.
Please select the option 'Sleep when idle’ from the Boom settings. (Refer to the screenshots)
Please tap on Forgot Password option and create a new password to get it started