Apple releases 27-inch iMac firmware updates, more

By Matthew
Apr 15, 2010
  1. Apple has released two firmware updates to address several issues with its 27-inch iMac systems. The first update (27-inch iMac EFI FW Update 1.0) is recommended for all 27-inch iMac models using Intel Core i5 or i7 processors and fixes a couple of bugs. One flaw causes high processor utilization while playing audio via the headphone output jack, and another prevents the display backlight from turning on after the machine is powered on.

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