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.
The MacBook EFI Update will update the EFI firmware on your notebook computer.
This app updates the firmware on the Radeon HD 2600 PRO card to address issues.
Solves rare issues where the battery unexpectedly stops functioning.
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