i had a problem with the video card not seeing it,but working
then this guy toll me edit the com.apple.boot.plist and change spring to he send on the post
so i did what he said not to use nvinject .
so copy past the numbers, and did repair permissions
i install natit.kext with kexthelper after i reboot system fine.
then started do fundy thing, finder stop working. when try reboot system it give gray box panic.
the last pics i post show it doing.
waiting for service start time out.

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Asus Rampage Extreme x48 / intel Q9450/ OC 4.0Ghz 4core
Corsair GT /6GB/DDR3 1603mhz/
Mac Radeon ATI HD-5770/1GB/
Lion 10.7.3 120GB SSD/ Mountain Lion 10.8 250GB SSD
Logitech HD-c905 webcam
Apple keyboard bluetooth+mouse bluetooth
Acer 24" HD Screen/ Fillwater cooling system