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Thanks for the info. yes menubar is transparent and I can play COD 4 and Real Racing 2 and some other games with high graphics settings I didn't do anything regarding intel graphics HD 3000 everything was natively worked on Mac OS X 10.9 Mavericks, but so bad that Geforce GT 540M is non-functioning
Nvidia Geforce GT 540M has all these technology 3D Vision, CUDA, DirectX 11, PhysX, Optimus, but all I am seeing is only detected and non-functioning at all. And I am not sure about full acceleration on HD 3000, how to figure out ?
After I upgraded form Lion to Mavericks I changed graphics card in BIOS to switchable and I saw both graphics cards are detected with no problem, but how can I switch between two of them in Mac OS X Mavericks ? See the attachment for more clarification.