Release the key after Startup Manager appears. Step 3: Highlight the volume you want to use by using your mouse or trackpad, or left and right arrow keys on the keyboard. Step 4: Double-click or press the Return key to boot your Mac from the selected volume. Full tutorial: how to pick a startup disk for your Mac at boot time.
Step 2: Now click the Startup Disk pane.
You will be presented with various disk icons. Step 4: Now click the Restart button to start up your Mac using the chosen volume.
Should you run into problems whilst attempting to boot your Mac from an external storage device, consult our FAQ below to help troubleshoot any start up issues you may be plagued with. Depending on its model and power requirements, it may be necessary to connect your USB storage device to an external power supply. Make sure your external storage is turned on and connected to your Mac.
If you find yourself needing to boot your MacBook Pro from a CD, you can do so by using a startup key combination to tell your MacBook Pro to look for and boot. The bootable Mac OS X Snow Leopard Install DVD-ROM is important if your Mac ever To boot your Mac from a DVD-ROM installation disc, follow these steps.
In the worst case scenario, you might need to reinstall OS X on the external volume. Using an external hub to connect several USB storage devices may cause your Mac to fail to recognize them at boot time. Easy to use.
Built using WordPress and the Mesmerize Theme. Ninja Stik. How to choose a startup disk on your Mac to boot from USB You set your Mac or Macbook which disk to start up from when more than one startup disk is connected.
Set the default startup disk You can change the startup disk your Mac automatically uses from System Preferences. From the Apple menu choose System Preferences. Select your startup disk from the list of available volumes. Temporarily change your startup disk with Startup Manager Startup Manager allows you to pick a volume to start from while the computer is starting up.
Immediately press and hold the Option key. After a few seconds, the Startup Manager appears.
Use your mouse or trackpad, or left and right arrow keys to select the volume you want to use. Double-click or press the Return key to start up your Mac from the volume you selected.
Startup Manager automatically adds bootable volumes as you connect them.