How do I connect two Macs with a Thunderbolt cable?

Connect a Thunderbolt cable to the Thunderbolt ports on the computers you want to connect. On your Mac, choose Apple menu > System Preferences, then click Network . Select Thunderbolt Bridge in the list at the left. Click Advanced, click DNS, then enter the DNS and search domain addresses if your network requires them.
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Can you connect 2 Macs via Thunderbolt?

If you have two Mac computers with USB, USB-C, or Thunderbolt ports, you can connect them so that one of them appears as an external hard disk on the other. This is called target disk mode. Note: If either of the computers has macOS 11 or later installed, you must connect the two computers using a Thunderbolt cable.
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How do I link two Macs together?

On each Mac, choose Apple menu > System Preferences, click Sharing , then note the computer name for each computer. In the Finder on one of the Mac computers, choose Go > Connect to Server, then click Browse. Double-click the other computer in the window, then enter your password, if necessary.
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Can I connect two Macs with USB cable?

You can connect the Macs using Thunderbolt 3, USB-C (on the MacBook), Thunderbolt 2, or FireWire. 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.
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What happens if you plug a Mac into another Mac?

It doesn't matter which side of your MacBook Pro that they're connected to—power is delivered on a first-come, first-served basis.
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How to transfer files between two MacBook Pros using Thunderbolt 3



What cable do I need to transfer data from one Mac to another?

Tip: For fastest migration, connect your old computer to your iMac Pro with a cable, such as a Thunderbolt 3 (USB-C) cable. If you used Time Machine to back up your files from another Mac to a storage device (such as an external disk), you can copy the files from the device to your iMac Pro.
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How do I setup my Thunderbolt Bridge?

On your primary Mac, open Network Preferences by going to System Preferences > Network, or by clicking on the Wi-Fi symbol in your menu bar and selecting "Open Network Preferences". In the left side menu, select Thunderbolt Bridge and ensure that Configure IPv4 is set to "Using DHCP".
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Can I connect my MacBook to my iMac?

Connect the Mini DisplayPort or Thunderbolt cable to both computers. Press ⌘ Command + 2 on the iMac. The iMac's display will now show the MacBook's screen instead of its own.
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How do I use an iMac as a second monitor?

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). Press Command-F2 on the keyboard of the iMac. You should now see the desktop of the other Mac. To exit target display mode, press Command-F2 again.
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Can I use my old iMac as a second monitor for my new iMac?

It's possible to use more than one iMac as a display provided all the Macs—both the iMacs used for display and the source Mac—are using Thunderbolt connectivity. Each iMac used as a display counts against the simultaneously connected displays supported by the Mac you're using as the source.
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How do I transfer data from old Mac to new Mac with Thunderbolt?

Power off the Mac you would like to use in Target Disk Mode and connect a Thunderbolt cable from it to another Mac you intend to access it from. Power on the Mac whilst holding down the T key. After a few seconds, the Thunderbolt logo will appear on the Mac signifying it's now in Target Disk Mode.
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How do you use a Thunderbolt cable?

You can use the Thunderbolt port on your Mac to connect a display, a TV, or a device, such as an external storage device. And with the appropriate adapter, you can connect your Mac to a display that uses DisplayPort, Mini DisplayPort, HDMI, or VGA.
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What is the fastest way to transfer data from one Mac to another?

When you want to move data from an old Mac to a new one, the most reliable method is to use Apple's Migration Assistant. Found in the Utilities folder of your Applications folder, Migration Assistant copies all of your files from your old Mac to your new Mac, so you don't have to transfer them manually.
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How do I transfer all my stuff from one Mac to another?

Use Migration Assistant to copy all of your documents, apps, user accounts, and settings to a new Mac from another computer. Migration Assistant copies all of your files from your old Mac to your new Mac so that you don't have to copy them manually.
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How do I transfer files from old Mac to new Mac without Migration Assistant?

Use AirDrop

It's perfect for transferring files from an old MacBook to a new one. To use AirDrop for file transfer, select the files that you wish to move in Finder and right-click on them. Click on Share in the drop-down menu and choose AirDrop in the menu that appears.
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Can I charge another MacBook with a MacBook?

Yes. Just use a good-quality TypeC-TypeC cable to connect the two Macbooks.
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Are USB-C and Thunderbolt the same?

USB-C ports and Thunderbolt ports are universal, but they're not entirely the same. Thunderbolt ports are fully compatible with USB-C devices and cables, but Thunderbolt ports offer several features that make them stand out from USB-C ports.
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What is Thunderbolt cable?

Thunderbolt gives users a chance to use one cable to access high-speed and high-resolution media using one port with a cable that can access both DisplayPort and PCI Express. Thunderbolt has technology built into it that allows PCI Express speed to come in a simple and convenient way.
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What is a Thunderbolt 2?

Thunderbolt 2 incorporates DisplayPort 1.2 support, which allows for video streaming to a single 4K video monitor or dual QHD monitors. Thunderbolt 2 is backwards compatible, which means that all Thunderbolt cables and connectors are compatible with Thunderbolt 1.
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