

How To Use Target Disk Mode To Boot From Another Mac S connect your macs via a firewire or thunderbolt cable. you can also enter target disk mode by rebooting your mac and holding down the t key as it boots. click the “startup disk” icon and click the target disk mode button to restart your mac in target disk mode. To enter target disk mode, click the apple menu and select system preferences. connect the two machines as normal, and launch your broken (target) mac in target disk mode. this will restore access to your damaged mac so you can recover files, wipe the hard drive, and do anything else you need to do. Using target disk mode, you can use a host mac to boot a target's operating system. your host mac should now be able to detect the target, mac. once you have target mode turned on, you are all set to transfer files.


if your target mac is turned on, go to system preferences > startup disk and select target disk mode. Restart your mac and press the ‘ t ’ key until you see a firewire icon on the screen. How to use target disk mode on mac, and why it’s a good idea to set a firmware password when enabling target disk mode on a mac. if the computer is on, choose apple menu > system preferences, click startup disk, then click target disk mode. On the mac you want to use as the external disk in target disk mode, do one of the following: if the computer is off, start it up while pressing and holding the t key.
