To exit Target Disk Mode, press and hold the Power button on the computer you use as a disk and then disconnect the USB cable.
Can I install OS X on it using Target Disk Mode (connect the Mac with the broken optical drive to the other Mac, boot it up in Target Disk Mode, then boot the other Mac with the installation DVD, and choose the other Mac as a.
Some third-party keyboards and older Apple keyboards dont support target display mode. It might also help to use the keyboard that came with your iMac. keys as standard function keys is selected, target display mode uses Command-Fn-F2 instead of Command-F2.
Click on Startup Disk and then click on Target Disk Mode.You only need to connect your Thunderbolt or FireWire cable to establish a connection between the two Macs. You can also use TDM to recover data from Mac hard drives. Target disk mode Mac helps to recover data from unbootable and corrupted Mac devices.
Remember that using Target Disk Mode is only one of several means of recovering from Mac OS X High Sierra with Disk Drill. Booting a Mac system in a target disk mode allows the transfer of data at very high speed from Target Mac i.e., iMac or MacBook or Mac mini to the Host device i.e., any other working Mac system.
Otherwise click on the Apple Menu (Apple icon) then select System Preferences. The use of Target Disk Mode requires that you have another computer that is working and a Thunderbolt or FireWire cable to link the two of them.