![]() ![]() ![]() Under "Settings > Monitor" shows that the computer is attached to an external monitor. I can't change the brightness of the screen, the color calibration is different. ![]() $ mv /Library/Extensions/AMD* /DisabledExtensions/Īfter that the Mac boot up in Mavericks but I have no graphic acceleration whatsoever, every animation is very slow. I have been able to access the system by running these commands in "Single User Mode": $ mkdir /DisabledExtensions Hopefully waiting for an Apple replacement program I want to disable the discrete graphics and enable only the Intel HD3000 chip in the i7. I have an early 2011 MacBook Pro that is affected by the well known problem on the graphics card (AMD 6490M 256MB). ![]()
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