OS X El Capitan (10.11): Change the BIOS Boot Order


Change the BIOS Boot Order on OS X El Capitan:

1. Open System Preferences.

System Preferences app


2. Select Startup Disk.

Startup Disk application


3. Available systems will display: Select the system in the middle of the screen to use to start up the computer.

Startup Disk window


4. Select Restart in the middle right of the Startup Disk window.

Restart button


5. After the computer restarts, the changes will take place and the selected system will start to load.

 

Referenced from: Apple.com

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3/7/2019 1:12:49 PM