For the second time in six weeks, Apple yesterday delivered a firmware fix designed to stop 27-in. iMac screens from flickering. Initial reports from users who installed the update were mixed, with ...

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 ...

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 ...