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About melihkavl

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  1. melihkavl

    Disable Optimus Nvidia GT640M ?

    Hi, I have acer v3-571g but I couldn't make it work both of my graphics card. I tried everything all dsdt and kexts, enablers, even IGPEnabler and graphics injector. My cards HD 4000 128 MB and GT 640m 2 GB, I would be appreciated If you help me