I also have a Cinema Display, connected via Thunderbolt, and it has internal speakers so I can set the volume in those. When you use the digital output like this, you cannot control its volume.
Startninja mac mac#
For example, my main Mac is a Mac mini connected to a DAC via a Toslink cable, which uses the headphone jack. [ kirkmc adds: Depending on your setup, this can be a bit more complicated. If you have an external volume controller for your external speakers, it should still function normally following these changes, but adjusting it will again affect your startup chime volume for those speakers.
Since I have external speakers, I chose to mute the startup sound on my internal speakers and set the chime very low on my external speakers. Remember if you mute it there will be no external speaker sound. Adjust the output volume (which controls the chime volume in the external speakers) with the slider at the bottom of the window.You will then see Headphones (Type built-in) highlighted in the window.Go to System Prefs > Sound >, then click on the Output tab.Plug in speakers or headphones to the headphone jack.To set the volume for your external speakers: Remember if you mute it there will be no internal speaker sound. Adjust the output volume (which also controls the chime volume) in the slider at the bottom of the window.You will then see Internal Speakers (Type built-in) highlighted in the window.Go to System Prefs > Sound, then click on the Output tab.Unplug speakers or headphones from the headphone jack.To adjust the volume on your Mac's internal speakers: Keep in mind that this setting completely controls the volume of your internal Mac speakers, so if you mute the sound, and have no external speakers, you will get no sound at all from your Mac. In order to adjust (or turn off) the volume of your Mac's internal speakers, nothing must be plugged into the headphone jack. There are both internal and external speaker output settings in the sound preference pane. There is no need to use scripts or any other coding to make this adjustment. Controlling the volume of the startup chime is easy to set in the System Preferences Sound panel, but you need to make two different settings if you have external speakers connected to your Mac.
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