| Tip 322 | Make Use of Boot-Time Options |
By holding down various key combinations before the Apple logo first appears when booting, you can do things such as boot from a CD/DVD or switch to your Microsoft Windows Boot Camp installation. Here’s a table of key combinations—you can release the key once booting is underway, and you see the boot progress indicator (the spinning circle beneath the Apple logo). Note that most of these shortcuts won’t work if you have FileVault enabled.
Keyboard Shortcut | Description |
|---|---|
Option | Switch between operating systems installed on your computer (that is, Mac or Windows) or access the rescue system. This also lets you choose to boot from an attached storage device, like a USB memory stick. |
Shift | Boot into safe mode, in which ... |
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