27-inch iMac EFI FW Update
1.0
27-inch iMac EFI FW Update1.0
For all quad-core Intel Core i5 and i7 27-inch iMacs.
Overview
Apple 27-inch iMac EFI FW Update...The update is recommended for all quad-core Intel Core i5 and Core i7 processors 27-inch iMacs
This update addresses the following:
- Resolves an issue that sometimes caused high processor utilization while playing audio through the headphone output mini-jack.
- Resolves an issue that prevented the display backlight from turning on after powering on the iMac.
When your computer restarts a gray screen will appear with a status bar to indicate the progress of the update. Do not disturb or shut off the power on your iMac during this update
What's new in 27-inch iMac EFI FW Update
Version 1.0:
- Release notes were unavailable when this listing was updated.
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Free
App requirements:
- Intel 64
- Intel 32
- Mac OS X 10.6.8 or later
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