These attempts have been met with only modest success.Īpple Support Communities forum user “saramwrap” has compiled data showing that the majority of affected machines are early-2011 MacBook pros equipped with the AMD Radeon 6750M GPU. Rebooting is reportedly not a remedy, and some users are attempting to remedy the problem by forcing the MacBook Pro to use only the integrated chips. Reports of the issue first cropped up in February, but have become more frequent over the past month.Īpple introduced an automatic graphics switching system back in 2010, which automatically decides which graphics chip to use, the integrated chip, or the discrete chip, depending on the graphics task the user is working on.Īffected machines display discoloration, banding, and image distortion as the most common symptoms, however, users also report that their computers suddenly freeze without any graphical warning signs. The problem, as highlighted by multiple threads on Apple’s Support Communities forum, first presents itself as a graphical glitch - or, in more serious cases, complete system lockup - when an affected MacBook Pro switches from the integrated Intel graphics chip to the discrete AMD graphics processing unit, or GPU. In some cases, the component completely fails, requiring an expensive replacement of the logic board. Owners of early 2011 15-inch and 17-inch MacBook Pros are reporting issues with the AMD GPUs in their computers.
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