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Hi! Unfortunately you are right - there is still no solution to Optimus! And the BIOS laptop no choice video .... Maybe you know - someone that is trying to solve with this mother-Hacka (excuse the emotion!) Optimus? PS Yes! I almost forgot - I wrote to you because I looked parameters i5 430M and they are very similar to the i5 480M (what I have) and a built-in HD Graphics 430M available but you have to board the MacOS! I understand that the BIOS to have a choice? And again, may make sense to buy a laptop with Intel Core2Duo and nVidia and not wait for the sea weather?

My last laptop Samsung R730 taught me a good 2 years of use (last updated 10.7.4!) But I decided to update the hardware to the i-series, and as a result >> dancing with a tambourine, and there is no solution! Now I hav config : <<< System Summary >>> > Platform : Intel Calpella > Mainboard : MSI MS-168A > Chipset : Intel HM55 > Processor : Intel Core i5 480M @ 2666 MHz(with itegr. HD Graphics 2000) > Discrete video: GF nVidia 310M (!Gb) > Physical Memory : 4096 MB (2 x 2048 DDR3-SDRAM ) > RAM: 500Gb > Network Card : RTL8168/8111 PCIe Gigabit Ethernet Adapter > Network Card : RT3090 802.11n Wireless LAN Card The problem is that the BIOS is not possible to select the video and laptop loaded with HD Graphics. But here in the forum I've seen installed OS in 10.7.4 to a similar configuration (i5 430M; H55 only graphics were ATI) working with a second video! Tell me is there a solution?

artur-pt Hi Master ! In the signature of iron, I see your laptop Intel i5 430M - H55 - .... O.S. Lion 10.7.4/Mountain Lion GM / Snow 10.6.8 / .... PLZ,tell me how you were able to do - to get a second (discrete) graphics? The fact that I have a laptop with Intel i5 - HM55 - ... - Nvidia 310m. But certainly can `t take a second (Nvidia) graphics - works (and how it works, we all know! ) Only HD Graphics2000! Really there was a solution? Please share your experience! PS Question due to the fact that my laptop processor - Intel Core i5 @ 480M to H55.Technology and features 430M and 480M are almost identical! Iron my laptop: <<< System Summary >>> > BIOS : Manufacturer : American Megatrends Inc. Version : E168AIMS.10D Date : 11/12/2010 (mm/dd/yyyy) Address : 2048 KB Copyright : ©2008 American Megatrends, Inc Motherboard ID : 63-0100-000001-00101111-092309-Chipset-0AAAA000 SMBios Version : 2.6 DMI Version : 2.6 > Platform : Intel Calpella > Mainboard : MSI MS-168A > Chipset : Intel HM55 > Processor : Intel Core i5 @ 2666 MHz(with HD Graphics 2000) >Video 2 : GF nVIDIA 310M (1024Mb) > Physical Memory : 4096 MB (2 x 2048 DDR3-SDRAM ) > Network Card : RTL8168/8111 PCIe Gigabit Ethernet Adapter > Network Card : RT3090 802.11n Wireless LAN Card