mopnice.blogg.se

1. How to change graphics card in macbook pro 2012 driver#
2. How to change graphics card in macbook pro 2012 full#

How to change graphics card in macbook pro 2012 full#

Same GPU is being used, just not at its full capacity. This is akin to seeing the "640x480 VGA" standard display mode on Windows back in the day whenever it cannot load the proprietary GPU driver.

How to change graphics card in macbook pro 2012 driver#

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).