How to: Enable or disable the startup chime on your Mac


The TTU IT Division provides the product/information below as a courtesy to the TTU community. Before proceeding, please make a backup of the data on your computer/device, as the loss of data and/or operating system functionality may result. For additional assistance, please contact the manufacturer/provider of the product/service or your preferred third-party support provider.


For the latest and most accurate information regarding how to enable or disable the startup chime on your Mac, please visit Apple's support website at


The chime has been enabled or disabled at startup, per your preference.