MacBook Air firmware update fixes Thunderbolt, HDMI color issuesApple on Wednesday rolled out an EFI firmware update for mid-2012 MacBook Air models, with the patch looking to fix HDMI display problems, issues with Thunderbolt hot swapping and a Microsoft Windows error.
MacBook Air EFI Firmware Update 2.6 is limited to the latest models built in mid-2012, which have displayed color rendition issues when the computer is connected to external displays via HDMI. Also fixed with the update is a Thunderbolt problem that would cause users' Airs to freeze if an attached device was removed during standby.
This is the second update to address external display issues, the first coming just days after the latest MacBook Air was released in June of last year
As for the Windows booting issue, forum posts on Apple's Support Communities webpage indicate Bootcamp was the cause of problem.
From the release notes:
About MacBook Air EFI Firmware Update 2.6
This update is recommended for MacBook Air (mid 2012) models.
This update fixes a color issue with HDMI displays connected to MacBook Air, resolves an issue with Windows which can prevent MacBook Air from booting properly, and also resolves an issue where unplugging a Thunderbolt device may cause the system to freeze when waking from standby.
The MacBook Air EFI Firmware Update will update the EFI firmware on your computer.
The MacBook Air EFI Firmware Update 2.6 weighs in at 4.76MB and can be downloaded via Software Update or Apple's Support Pages.
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