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If you bought a Mac in 2011, you’ve got some firmware to download. Apple on Thursday issued four EFI firmware updates, one for each Mac model released by the company last year.
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MacBook, Mac mini get firmware updates
Mac mini EFI Firmware Update 1.6 covers Mac mini models released last summer. MacBook Air EFI Firmware Update 2.4 targets the laptops that came out in mid-2011. iMac EFI Firmware Update 1.9 is intended for the desktop machines that debuted last May, while MacBook Pro EFI Firmware Update 2.7 covers laptops released in both early 2011 and later that year.
All four updates promise to improve stability in the targeted systems while fixing several issues. Specifically, the release notes for each firmware update state that the download will improve the reliability of booting from the network and address an issue that can prevent HDCP authentication after a reboot. The updates also tackle an issue with boot device selection when you’ve got a hot-plugged USB storage device.
The updates are available from Mac OS X’s Software Update or on Apple’s Support website. The updates require Mac OS X 10.7.3.
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