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   MacBook Air and MacBook Pro Update 2.0

   Adam C. Engst

   Apple has released [1]MacBook Air and MacBook Pro Update 2.0 for all
   laptop models introduced in June 2012: both 13- and 15-inch sizes of
   the MacBook Pro, the MacBook Pro with Retina Display, and both the 11-
   and 13-inch versions of the MacBook Air. The minimal release notes say
   that this release 'includes graphics performance and reliability
   enhancements and improves compatibility with some USB devices.'
   Requiring OS X 10.8.2 Mountain Lion, the update should appear in the
   App Store's Updates screen for affected models, or you can download it
   directly from Apple's Web site. If you have one of these models still
   running 10.7 Lion, it would seem that an upgrade to Mountain Lion would
   be the only way to take advantage of the update. (Free, 127.07 MB)

References

   1. http://support.apple.com/kb/DL1556

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