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iMac EFI Update 1.7 Brings Lion Internet Recovery

Apple early today has just pushed out iMac EFI update 1.7.You can now head over to Apple official site to download.In the update, enables Lion Recovery form an Internet connection and includes fixes that resolve issues with Apple Thunderbolt Display compatibility and Thunderbolt Target Disk Mode performance on iMac (early 2011) models.

iMac_EFI_Update_1_7

The iMac EFI Update will update the EFI firmware on your iMac computer. When your iMac restarts, a gray screen will appear with a status bar to indicate the progress of the update. It will take several minutes for the update to complete. Do not disturb or shut off the power on your iMac during this update.
Boot ROM or SMC Version Information: After iMac EFI update has successfully completed, your Boot ROM Version will be IM121.88Z.0047.B1D.1110171110.

lion_internet_recovery

Internet Recovery launched as part of OS X Lion in July, allowing users to easily install the operating system on a blank hard drive, a feature that is handy for users who are replacing their hard drives or for whom the recovery partition included on their Lion system becomes inaccessible. Internet Recovery functions by adding a minimal bootable install onto a machine’s firmware to allow it to connect the Internet and download the full Lion operating system for installation.

Download iMac EFI Update 1.7 for iMacs 

In addition to the iMac EFI firmware update released today, Apple also pushed out MacBook Pro EFI Firmware Update 2.3 for Early 2011 models, MacBook Air EFI Firmware Update 2.2 for Mid 2011 models, and Mac mini EFI Firmware Update 1.4 for Mid 2011 models.

Macbook Pro EFI_Firmware Update 2.3

Macbook Air EFI_Firmware Update 2.2

 

Macbook Mini EFI Firmware Update 1.4

 

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