While holding down the power button, connect the Mac Pro to power and continue to hold the power button for about 3 seconds.You probably shouldn't update your BIOS, but sometimes you need to.

Disconnect the Mac Pro from power, then do one of the following:įor the desktop Mac Pro, plug the USB-C cable into the Thunderbolt port farthest away from the power button.įor the rack mount Mac Pro, plug the USB-C cable into the Thunderbolt port closest to the power button.ģ. Connect a monitor to your Mac Pro (so you can see when the process is complete).Ģ. For more information, see the Apple Support article Mac Pro (2019) status indicator light behavior.ġ. You need to revive the firmware in a Mac Pro if the light turns amber and flashes the following sequence in under 4 seconds: three short flashes, three long flashes, and three short flashes again. If reviving or restoring a Mac Pro (2019): After the restore begins, you’ll see an Apple logo and progress bar if a monitor is connected. Note: You won’t see any initial screen activity from the MacBook Pro or MacBook Air you are trying to revive. The USB-C cable must support both power and data. For more information on whether your network uses a web proxy or firewall, consult your router manual or your internet provider.Ī supported USB-C to USB-C charge cable, such as the one sold by Apple (may not be available in all countries or regions) or a supported USB-A to USB-C cable For more information on the ports used by Apple products, see the Apple Support article Use Apple products on enterprise networks. You may need to configure your web proxy or firewall ports to allow all network traffic from Apple devices to Apple’s network 17.0.0.0/8. The latest version of Apple Configurator installed on a Mac running macOS 12.4 or later MacBook Pro (13-inch, 2018, Four Thunderbolt 3 Ports) MacBook Pro (13-inch, 2019, Two Thunderbolt 3 Ports) MacBook Pro (13-inch, 2019, Four Thunderbolt 3 Ports) MacBook Pro (13-inch, 2020, Two Thunderbolt 3 Ports) MacBook Pro (13-inch, 2020, Four Thunderbolt 3 Ports) These revive and restore instructions cover the following Intel-based Mac computers with an Apple T2 Security Chip: Revive or restore a Mac with Apple silicon.Prepare an iPhone, iPad, or Apple TV manually.Unsupervise an iPhone, iPad, or Apple TV.

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