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1. #TARGET DISK MODE THUNDERBOLT SOFTWARE#
2. #TARGET DISK MODE THUNDERBOLT FREE#
3. #TARGET DISK MODE THUNDERBOLT MAC#

Restart the Mac, and once it starts booting, hold down the T key until you see the Target Disk Mode screen with a bouncing Thunderbolt logo. To use Target Disk Mode to copy data between Macs, follow these steps:

#TARGET DISK MODE THUNDERBOLT MAC#

Booting one Mac from another in Target Disk Mode works best if the two Macs are of the same model and vintage and are running the same version of macOS, but it might work even if those facts aren’t true. You can also use Target Disk Mode on an old Mac to set up a new Mac with Migration Assistant, repair its drive using Disk Utility, or possibly even boot another Mac with it. Speed: Because Target Disk Mode on modern Macs relies on a Thunderbolt connection, and you’re connecting one Mac directly to another, you’ll get the fastest transfer speeds in the fewest steps. Putting a Mac into Target Disk Mode merely requires holding down the T key during boot or clicking a button in the Startup Disk preference pane.

#TARGET DISK MODE THUNDERBOLT SOFTWARE#

There’s no software to configure nor any permissions to worry about. Nearly universal: Every Mac sold in the last decade supports Target Disk Mode, so you can be sure it will work with any modern Mac.Įasy setup: Because Apple has baked Target Disk Mode into the Mac firmware, the version of macOS is irrelevant. Target Disk Mode is nearly universal, easy to set up, and one of the fastest methods of moving files between Macs. It’s best to use the same port on both Macs if possible, but it’s usually fine to use adapters, such as Apple’s Thunderbolt 3 to Thunderbolt 2 adapter for connecting newer and older Thunderbolt-capable Macs.

You can connect the Macs using Thunderbolt 3, USB-C (on the MacBook), Thunderbolt 2, or FireWire.

Target Disk Mode is a special boot mode that enables nearly any Mac to behave like an external hard drive for another Mac. To cut the copy time in half, though, try Target Disk Mode instead.

#TARGET DISK MODE THUNDERBOLT FREE#

If you had an external hard drive with sufficient free space handy, you could copy all the data to it from one Mac and then copy the data back off to another Mac. You can send files via AirDrop, attach them to an email message, put them in a Messages conversation, turn on and connect via File Sharing, or use Dropbox or Google Drive as an intermediary, to name just a few of the more obvious approaches.īut what if you have a lot of data-say tens or even hundreds of gigabytes-to transfer from one Mac to another? The techniques listed above might work, but we wouldn’t bet on it. We have an embarrassment of riches when it comes to the number of ways we can move data between Macs.