27-inch iMac EFI FW Update 1.0
Free
Latest version:
1.0
See all
Developer:
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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