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iMac (late 2013) EFI Update is recommended for iMac (late 2013) models. This update addresses an issue which may cause a black screen to appear when installing Windows 7 or Windows 8 using Boot Camp Assistant if both an external optical drive and USB thumb drive are connected to the system. This update also ensures that the system will boot by default into OS X after installation of Windows 8.

Requirements for iMac EFI Firmware Update

  • OS X 10.8.4 and later
  • Late 2013 iMac
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iMac EFI Firmware Update User Discussion

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Current Version (2.x)
Downloads 9,521
Version Downloads 837
License Updater
Date 25 Sep 2013
Platform Intel 64 / OS X / Intel 32
Price Free
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