When your new iMac Pro becomes unresponsive, you would spit fury on Apple, little do you know that the issue has stemmed from the intermittent power supply or power failure during an important update. When iMac Pro is not responding or frozen, you need to restore iMac Pro.

So when your iMac Pro is unresponsive, you need second Mac running macOS High Sierra to restore your iMac Pro. Moreover, your another Mac must have Apple Configurator 2.6 or later installed.

iMac Pro Unresponsive? How to Restore and fix New iMac Pro

iMac Pro Unresponsive? How to Restore iMac Pro


  • On your another Mac, you must have Apple Configurator 2.6 installed; the secondary Mac should be running macOS High Sierra.
  • USB-A or USB-C to USB-C or a Thunderbolt cable
  • In case you are using USB-C cable, you should check that it supports power and data (you can use that USB-C cable together with a supported Thunderbolt to USB-C adapter.
  • In addition to above requirements, you should also configure your web proxy or firewall ports on the home router to all network traffic from Apple devices to Apple’s network

Now is the time to restore a bricked iMac Pro

Step #1: Open Apple Configurator on the secondary Mac and connect the USB or Thunderbolt cable.

Step #2: Now you have to disconnect your iMac Pro from the power source; then connect the cable to iMac Pro’s Thunderbolt port, which is extremely close to Ethernet port.

Step #3: When you are holding the power button on the back of iMac Pro, connect the computer to a power source and keep holding the button for three seconds.

Here, you won’t see any screen activity from your iMac Pro.

Step #4: Next, you need to open Apple Configurator 2 on that secondary Mac.

Step #5: Select iBridge device from the app’s device browser.

Step #6: From Actions menu, select Restore.

Step #7: Then click on Restore and wait until the process is finished.

During the process to restore your iMac Pro, you may see the Apple logo appearing and disappearing.

Step #8: When the process is over, your iMac Pro should restart or reboot and you can access it again.

Step #9: Finally, you can leave Apple Configurator from the secondary Mac and disconnect the USB or Thunderbolt cable.

In case there is a power failure during the process of restoring iMac Pro, you can reboot that other Mac and start the restore process again using the above-mentioned steps.

This DFU-like restore process is required when your iMac Pro is unresponsive.

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