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- Boot macbook to target disk mode how to#
- Boot macbook to target disk mode software#
- Boot macbook to target disk mode mac#
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Boot macbook to target disk mode how to#
The executing program from Microsoft now running on the iMac has no idea what Target disk mode is and no idea how to communicate with the MacBook Pro using the cable connecting the two computers together. This file is loaded into the memory on the iMac and executed. The iMac reads the necessary file from the hidden EFI partition on the MacBook Pro. The iMac recognizes the MacBook Pro as an external drive and determines the default operating system to boot is on this drive.
Boot macbook to target disk mode software#
At this point, the iMac is also running software (firmware) stored on the logic board. At this point, the MacBook Pro is running software (firmware) stored on the logic board.
Boot macbook to target disk mode mac#
You might need to wait a few seconds before pressing the keys, to give your Mac more time to recognize the keyboard as it starts up. Then press and hold the keys as your Mac starts up. Then press the power button to turn on your Mac.
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Command-V: Start up in verbose mode. Disabled when using a firmware password.T: Start up in target disk mode. Disabled when using a firmware password.Disabled in macOS Mojave or later, or when using a firmware password. Command-S: Start up in single-user mode.To use the default boot image on the server, press and hold Option-N instead. Disabled when using a firmware password. N: Start up from a NetBoot server, if your Mac supports network startup volumes.Or use Option-D to start up to this utility over the internet. Disabled when using a firmware password. D: Start up to the Apple Diagnostics utility.If your Mac is using a firmware password, it ignores this key combination or starts up from macOS Recovery. Option-Command-P-R: Reset NVRAM or PRAM.If your Mac is using a firmware password, you're prompted to enter the password. Option (⌥) or Alt: Start up to Startup Manager, which allows you to choose other available startup disks or volumes.macOS Recovery installs different versions of macOS, depending on the key combination you use. If your Mac is using a firmware password, you're prompted to enter the password. Or use Option-Command-R or Shift-Option-Command-R to start up from macOS Recovery over the internet. Command (⌘)-R: Start up from the built-in macOS Recovery system.Keep holding until the described behavior occurs.
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To use any of these key combinations, press and hold the keys immediately after pressing the power button to turn on your Mac, or after your Mac begins to restart.