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Apple releases MacBook SMC Firmware Updater 1.4 for older MacBook, MacBook Pro notebooks

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Late Thursday, Apple released its MacBook SMC Firmware Updater 1.4 for older MacBook and MacBook Pro models solves a charging issue that takes place when using the latest MagSafe power adapters.

The update, an 880 kilobyte download, requires Mac OS X 10.5.8 or 10.6.4 to install and run.

If you’ve tried the update and noticed any changes at all, please let us know in the comments.

11 replies on “Apple releases MacBook SMC Firmware Updater 1.4 for older MacBook, MacBook Pro notebooks”

My charger and battery were fine, but I did the update anyway. Now, my battery won’t charge at all. Can I undo the update somehow?

I didn’t have any issues with the power adapter, but it looks like it fixed the problem that caused the computer to randomly hang or freeze sometimes for 1-2 seconds.

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