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MacBook Air, MacBook Pro, iMac, Mac mini EFI updates boost net boot

24 February 2012 1,763 views No Comment

Bug fixes. A quartet of firmware updates for quartet of 2011 Macs, covering a trio of fairly ho hum issues — net boot reliability, HDCP authentication (i.e. Display Port equipped displays) and booting from a USB device. Whether or not you’re affected by these issues, being up-to-date is often its own reward.

MacBook Air EFI Firmware Update 2.4, download
— This update improves the reliability of booting from the network, addresses an issue that can prevent HDCP authentication after a reboot, and resolves an issue with boot device selection when a USB storage device is hot-plugged.

• MacBook Pro EFI Firmware Update 2.7, download

• iMac EFI Firmware Update 1.9, download

Mac mini EFI Firmware Update 1.6, download

Again, these firmware updates are specific to 2011 models. If in doubt, fire up Software Update.

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