How to Boot a Mac from CD/DVD or USB Flash Drive
If you install Windows on your Mac and forget the Windows login password, you can recover the Windows password with a Windows password reset CD/DVD/USB disk. This tutorial will tell how to set up Mac and start the MacBook, Mac Air/Pro up from external storage like CD/DVD or USB based flash drive or hard drive.
Part 1. What You Need:
Starting up your Mac from an external disk requires the following:
- Intel-based Mac with Windows Operating System
- Bootable CD or DVD on Macs equipped with Apple’s Super Drive or a USB drive
Part 2. Boot Mac from USB Flash Drive
Step 1.Power on your Mac, then hold down the Option key for a while as the Mac boots up, then you will see a boot screen then you will see a boot screen lists out all the boot choices.
Step 2.Navigate to the USB icon using the arrow key or your mouse and double-click the Return Key to boot your Mac from the selected USB flash drive.
Part 3. Boot Mac from CD/DVD
Step 1.First of all, insert your CD/DVD into the drive, then turn on your Mac by pressing the power button.
Step 2.Press and hold the C key or Option key on your keyboard immediately upon hearing the startup chime. Select the CD/DVD icon, then your Mac will start up from the CD/DVD media.
Video Tutorial to Boot A Mac from USB or CD/DVD Drive