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 ...

Apple’s second firmware update for 27-in. iMacs seems to have fixed the flickering display problems, according to most users’ reports on the company’s support forum. A minority, however, maintained ...

Rumors abound that Apple has halted its production of 27-inch iMacs until they can finally get to the bottom of the yellowing, flickering display issues, but if you’ve already got a gorgeous 27-incher ...

A large number of problems with Apple’s newest iMacs, especially the top-of-the-line 27-in. model, has prompted one user to create a site that tallies issues ranging from cracked screens to flickering ...

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 ...