MSI R7850 Power Edition 2GD5/OC ML 10.8.4 not working...!! #iATKOS #ML2

Hi i recently got upgrade form (MSI R6850 Power Edition 1GD5/OC) to (MSI R7850 Power Edition 2GD5/OC) i tried almost every kext to enable my GPU but it is giving me worst, my problem is ML is booting straight without any issues and even it is not showing any white or black screens, in system info under "Graphics/Display" it is showing







Type: GPU



Bus: PCIe



PCIe Lane Width: x16



VRAM (Total): 7 MB



Vendor: ATI (0x1002)



Device ID: 0x6819



Revision ID: 0x0000



Kernel Extension Info: No Kext Loaded



Displays:



Display:



Resolution: 1920 x 1080



Pixel Depth: 32-Bit Color (ARGB8888)



Main Display: Yes



Mirror: Off



Online: Yes







Please help me what should i do and where i am missing thanks.