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Upgrading a Mac Mini Detection System ISO

Use the following procedure to upgrade the Mac OSX Detection System ISO.

  1. Copy the bootable image to a USB drive; Kingston USB flash drives are recommended.

  2. Insert the USB drive into the MAC.

  3. Connect the HDMI console to a Windows system.

  4. Reboot the Mac Mini system from the console using the CLI 'reboot' command.

  5. Hold down the keyboard "Alt" key after hearing the Mac’s startup chime.

  6. Choose option 2 when prompted to make a choice.

  7. Hold down the keyboard 'C' key to directly boot the image from the USB drive.


The upgrade process will take approximately 15-20 minutes.