Apple issued a firmware update today for all 27-in. iMacs that is designed to fix display problems, including flickering screens, that have been reported by hundreds of recent buyers. “The 27-inch ...
do any body have iMac 27" with proper EFI partition? If so can you share disk image of EFI partition? Back story for all who want to read. I have iMac 27" lae 2012. Some time after my Apple Care ended ...
The update, applies to the graphics firmware on the ATI Radeon HD 4670 and 4850 graphics cards used by the new iMacs. The update is designed "to address issues that may cause image corruption or the ...
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