![]() ![]() ![]() All that does is running the discrete chip with a fallback driver with no graphic acceleration. It's a misconception in all the fixes/instructions out there. Here are the specs: Processor: 2 GHz Intel Core i7 Memory: 4 GB 1333 MHz DDR3 Graphics: AMD Radeon HD 6490M 256 MB Software: OS X 10.9.5 (13F34)ĭisabling the ATI/AMD kernel extensions will not force the OS to switch to the Intel integrated graphics. ![]() The apple customer service says that they don't have an "official" procedure to disable the discrete graphics card. I have installed gfxCardStatus v2.2.1 which shows that I am running on the discrete graphics card and there is no chance to switch to integrated one.Įven though I can see that the HD3000 Extension is loaded:ġ10 0 0xffffff7f837dc000 0圆2000 0圆2000 3000Graphics (8.2.4) 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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