Press the button to hear these chimes. You can click the button twice to hear these hidden chimes! You can adjust the volume if you want to hear quietly, but does not apply to your system's volume.
The Startup chimes are the normal sounds that occur when any Apple computer is turned on. It can also be heard any chimes on iPhone by going to Settings → Accessibility → Audio/Visual and enabling "Turn On & Off Sounds". This project's thumbnail is visible. The Crashes are produced by hitting the Programmer's Key (either by hitting the "Reset" button on the computer, or by hitting the "⌘-Reset" keys on the keyboard) during the first stages of boot up. It can also occur during boot up when some low-level errors occur. Mac OS X 10.2 Jaguar and later instead use the prohibition sign symbol to denote a hardware or software error that renders the computer non-bootable.
