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Adjust a Mac's Startup Sound Volume Even When Speakers Are Plugged In
February 16, 2016 - Uncategorized
A Mac’s startup sound volume is tied to the internal speakers output volume. It’s easy enough to quiet it completely , but considering that tone’s a troubleshooting feature , it’s usually best to leave it on. Regardless, if you have speakers plugged in, that tone seems to do whatever it wants. Here’s how to fix that.
Source: Life Hacker