Apple has released MacBook Pro SMC Firmware Update 1.5 for unspecified models of the MacBook Pro, running either Mac OS X 10.7.2 Lion or 10.6.8 Snow Leopard. The update reportedly fixes a bug that could cause the MacBook Pro on a power adapter to shut down unexpectedly under heavy load if the battery charge level (which you wouldn’t think would be at issue) is near empty. To install this update, your MacBook Pro must be plugged into power or be at least 25 percent charged; as with all firmware updates, do not interrupt the update while it’s installing. Because Apple isn’t saying exactly which models of the MacBook Pro are affected, we recommend getting this update via Software Update. Presumably, the updater itself also knows not to install itself unnecessarily. (Free, 730 KB)
Extract Directly from Time Machine
Normally you use Time Machine to restore lost data in a file like this: within the Time Machine interface, you go back to the time the file was not yet messed up, and you restore it to replace the file you have now.
You can also elect to keep both, but the restored file takes the name and place of the current one. So, if you have made changes since the backup took place that you would like to keep, they are lost, or you have to mess around a bit to merge changes, rename files, and trash the unwanted one.
As an alternative, you can browse the Time Machine backup volume directly in the Finder like any normal disk, navigate through the chronological backup hierarchy, and find the file which contains the lost content.
Once you've found it, you can open it and the current version of the file side-by-side, and copy information from Time Machine's version of the file into the current one, without losing any content you put in it since the backup was made.
MacBook Pro SMC Firmware Update 1.5
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Special thanks to Geoff Duncan, Neil Story, John Helbers, and Ronald
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