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How to: Check your Mac’s firmware version

6 September 2011 2,394 views No Comment

Does your Mac need a firmware update? The easiest way to discover that is to simply run Software Update and see if Apple has one for you. However, what if you applied a firmware update, but you’re unsure if it installed successfully — here’s what you need to do.

To check to see what firmware version your Mac running OS X Lion has, go to the Apple Menu > About This Mac > More Info > System Report > Boot ROM Version. For Macs running Snow Leopard or earlier, Apple’s EFI and SMC firmware updates for Intel-based Macs article has a how to check the firmware version.

Additionally, the same article includes information on what firmware version Intel Macs shipped with and which firmware is current. Find your Mac and compare — if you’ve got the latest version, you’re down.

Apple’s EFI and SMC firmware updates for Intel-based Macs article also includes links to firmware update software.

If you’re having repeated problems (i.e. the updater keeps launching after your Mac restarts each time), check out Apple’s Intel-based Macs: Troubleshooting issues after using the SMC Firmware Updater.

Know a handy OS X tip or trick? Share it with a link in the comments below…

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