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My Mac can boot without any command and fast and stable with HD 4000 but only 64MB, if i add any string or copy files kexts which are given in the guide, Mac stops working Do you know how to adjust the Vram of Hd 4000, i use on laptop Dell with i7 3612qm. Thanks In addition, when i check kextstat, i notice what ATISupport, ATI7000Controller and ATIAcceleration are loaded, but i cant see ATIframebuffer Just wonder why i cant use ATI in liu of HD 4000 and my card is ATI HD 7670M, the ATI6000controller should be loaded, instead of ATI7000Controller

I have tried every ways to boot Mac OS with ATI Card, but i cant. The OS always starts with HD 4000 64Mb. I copied and edit all kext but ATI card did not work, but Mac OS can still recognize ATI Radeon HD 7670M and HD 4000. Can you please help me? If i copy kext or edit boot chameleon for HD 4000, i will get a black screen. Otherwise, only kext ATI Acceleration is loaded, even i edit all ID. I notice that the name in ATI Acceleration is Lombok, but it should be Pondweed???? So weird....

I installed with -v -x -f GraphicsEnabler=NO. Everything was fine until this morning, i could not boot to MAC OS. Does anyone can help me please? I used Dell Inspiron 5250 with Intel i7 3612QM. Mac OS did not recognize any graphic cards, ATI 7670 or even HD 4000 with full kexts installation.