Apple has released MacBook Air EFI Firmware Update 2.0 (http://support.apple.com/kb/DL1337) for the MacBook Air. The 2.4.1 update is recommended for MacBookAir (11-inch and 13-inch, late 2010) models and requires Mac OS X 10.6.5.
According to Apple, this update resolves a rare issue where MacBook Air boots or wakes to a black screen or becomes unresponsive. You can obtain it via the Software Updates component of Mac OS X’s Systems Preferences app.
