![]() If you are having trouble installing an update try disconnecting non-essential devices and use only an Apple branded keyboard, mouse and monitor.įor more information, please visit this website: About firmware updates for Intel-based Macs. Some USB and FireWire devices may prevent firmware updates from installing correctly. If you normally start up using a RAID (Redundant Array of Independent Disks) subsystem, you must instead start up from a Macintosh-formatted storage device to apply this update. : Mac Pro SMC Firmware Update 2. Note: This update requires a Macintosh-formatted disk or partition. Other USB issues Converging with the aforementioned, a number of users are experiencing other significant USB device related issues after the EFI firmware updates. If these instructions appear on your screen again, the firmware update was not successful.
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