27-inch iMac EFI FW Update

27-inch iMac EFI FW Update 1.0

Free
Solves issues for quad-core Intel Core i5 and Core i7 processors 27-inch iMacs.
 
1.0 (See all)

27-inch iMac EFI FW Update is recommended for all quad-core Intel Core i5 and Core i7 processors 27-inch iMacs. The app solves an issue that sometimes caused high processor utilization while playing audio through the headphone output mini-jack. In addition, it solves an issue that prevented the display backlight from turning on after powering on the iMac.

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