Apple has issued SMC update 2.0 for all mid-2013 MacBook Airs, citing a fix for battery problems while the computer’s screen is closed.
This update addresses an issue which may cause the battery to drain faster than expected when the lid is closed.
You can download the update here or in the Mac App Store.
After releasing an SMC firmware update for most MacBook models last month to address the same battery issue, Apple today released MacBook Pro SMC Firmware Update 1.7 for mid-2010 and early 2011 15- and 17-inch MacBook Pros. The update, available through Apple’s website, addresses a rare battery issue:
About MacBook Pro SMC Firmware Update 1.7
This update addresses a rare issue on some Apple notebooks where a battery that has accumulated more than 1000 charge cycles may unexpectedly shut down or stop functioning.
