Booting your MacBook from a disk can be an incredibly helpful step in the troubleshooting process. To get this done, you will need a bootable CD or DVD. Each MacBook comes with a bootable disk labelled Mac OS X Install Disk 1. While your MacBook is running from the DVD, you can use Disk Utility to diagnose and repair some hard drive issues that can prevent your MacBook from running properly.
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Things you need
- Bootable Mac OS X CD or DVD (e.g. Mac OS X Install Disk 1)
Turn off your MacBook by selecting "Shut Down..." from the Apple menu.
Press the power button while holding the "Option" key. Keep holding down the "Option" key until an icon of your hard drive appears on screen.
Insert a bootable Mac OS X CD or DVD and select its icon when it appears.
Tips and warnings
- If the disk is already in your drive, holding down the C button during start-up will automatically boot the system from the disk.
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