Apple has released MacBook Air EFI Firmware Update 2.9 for MacBook Air models released in mid-2011. Ostensibly, the update addresses two issues related to waking from sleep — a bug that prevented waking in a timely maner and a problem that caused fans to run at full speed after waking. However, there are multiple reports on a discussion thread at Apple Support Communities that installation of the firmware update is causing some MacBook Air laptops to shut down completely and not start up again for a lengthy amount of time (so much for that timely waking fix). Additionally, other users report still seeing the EFI update in the Mac App Store’s Update section even after applying the firmware multiple times. This might be one to wait on for a few days to see if Apple reissues EFI Firmware Update 2.9. (Free, 4.1 MB, 10.9.2+)
Mighty Mouse as Application Switcher
Looking for an easier way to switch between multiple applications? Within Keyboard and Mouse Preferences under System Preferences, you can configure the scroll wheel to act as an Application Switcher. Press the scroll button to bring up Application Switcher, scroll to toggle to the application you want, and hit the scroll button again to switch. You can also double-click the scroll button to quickly switch to the previously active application.
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Giving me a nice warm and fuzzy apple feelling!
All is well after a full shutdown and restart but there is/was no FW update :-(
I didn't really need that near heart attack.