To use external devices with your other Mac, connect them directly to the other Mac, not to your iMac. The other Mac can't use the iMac computer's built-in camera or ports. Instead, the Macs firmware enables its drives to behave as a SCSI, FireWire, Thunderbolt and/or USB-C external mass storage device. When a Mac that supports Target Disk Mode is started with the T key held down, its operating system does not boot. Firmware Update 4.2.9 includes improvements to Firewire target disk mode when running Mac OS X, and improves. Well also show you how to troubleshoot issues. For example, if you begin playing music on your iMac and then enter target display mode, the music doesn't pause on your iMac. Target Disk Mode (sometimes referred to as TDM or Target Mode) is a boot mode unique to Macintosh computers. How Do I Restart My Mac In Target Disk Mode How To Get Out Of Target Disk Mode Mac In this tutorial, youll learn how to boot a Mac in Target Disk Mode through the System Preferences app. Or disconnect the cable, or restart either Mac.Īpps that were open on your iMac when entering target display mode remain open in target display mode. To exit target display mode, press Command-F2 again.

Apple has introduced fusion drives in many iMacs and Mac mini models to unify a large capacity hard disk drive (1 TB or more) with a high-speed solid-state drive (24 GB or more). You should now see the desktop of the other Mac. If the corruption is beyond the macOSs built-in repair capabilities, try to retrieve Mac hard drive data using target disk mode.

Press Command-F2 on the keyboard of the iMac.You can use more than one iMac as a display, if each iMac is using a Thunderbolt cable to connect directly to a Thunderbolt port on the other Mac (not the other iMac). Connect the two computers using the appropriate Mini DisplayPort or Thunderbolt cable.Make sure that the other Mac is started up and logged in to a macOS user account.Make sure that your iMac is started up and meets the system requirements above. Step 2: Boot into Target Disk Mode on the old Mac.

How to get mac out of target disk mode