27-inch iMac EFI FW Update
27-inch iMac EFI FW Update
1.0

5.0

27-inch iMac EFI FW Update free download for Mac

27-inch iMac EFI FW Update

1.0
15 April 2010

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.

1 27-inch iMac EFI FW Update Reviews

Rate this app:

Tachyonflare
15 April 2010

Most helpful

So far no issues, the update causes the fan to spin at high speed during the process. iMac running stable.
Like
Version 1.0
Tachyonflare
15 April 2010
So far no issues, the update causes the fan to spin at high speed during the process. iMac running stable.
Like
Version 1.0
Free

5.0

App requirements: 
  • Intel 64
  • Intel 32
  • Mac OS X 10.6.8 or later
Category: 
Developer Website: 
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