Packed in with robust innards, the iMac Pro is undoubtedly the most powerful iMac Apple has ever made. However, it’s not immune to issues. In certain situations like the power failure during a macOS upgrade, it may become completely unresponsive. Apple has offered special instructions to restore a bricked iMac Pro.
The all-new iMac Pro requires a second Mac running macOS High Sierra to get restored. Besides, your secondary Mac needs to have Apple Configurator 2.6 or later installed. More after the jump…
How to Restore Unresponsive iMac Pro
- Make sure Apple Configurator 2.6 is installed on your Mac running macOS High Sierra. Besides, ensure that it has the proper Internet connection.
- If needed, configure your web proxy or firewall ports to allow network traffic from Apple devices to Apple’s network 126.96.36.199/8.
- Make sure you have USB-A or USB-C to USB-C or a Thunderbolt cable.
- The USB-C cable must have the support for power and data. It can be used with a supported Thunderbolt to USB-C adapter.
Step #1. First off, you need to open Apple Configurator on your other Mac. Then plug in the USB or Thunderbolt cable.
Step #2. Next, you have to disconnect your iMac from power and plug in the cable to your iMac Pro’s Thunderbolt port to the Ethernet port.
Step #3. While holding the Power button on the back of the iMac, you need to connect the computer to power. Make sure to continue holding the button for about 3 seconds.
Step #4. Next, open Apple Configurator 2 on your secondary Mac and select iBridge device in the app’s device browser.
Step #5. Next, you have to select Restore from the Actions menu.
Step #6. Now, click Restore and let the process be completed.
The Apple logo will now appear or disappear while the iMac is being restored.
Step #7. When the process has been successfully completed, your iMac Pro will reboot.
Step #8. Finally, you need to quit Apple Configurator on your secondary Mac and unplug the USB or Thunderbolt cable.
Just in case, the power is lost to either Mac during this process; you will have to begin the restore process all over again. That’s it!
I wish the restoring of the new iMac were a bit straightforward. What do you think about it? Share your thoughts in the comments below.
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- How to Use Apple Diagnostics on Mac to Identify & Troubleshoot Hardware Problems