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[Nexos™]

Hi i try to boot snow leopard on my XFX nForce 790i Ultra SLI (MB-N790-IUL9)

(at first sorry for my bad englisch. I'm Ger)

CPU: Intel Core 2 Duo E8600 3.33 GHZ
Chipset: nForce7 (based on nForce5)
RAM: 4GB DDR3 1666MHz (2 Modules)
GPU: nVidia Geforce 285 GTX
HDD: 160 GB sATA

i use fakesmc kext + nullcpupowermanagement kext
all is ok but after boot, the monitor is black and then he got no signal

i created 3 partitions on my USB Pen Drive
1. chameleon
2. SnowInstall Disc
3. Datas

i had create dsdt.aml on Leopard without custom efi Strings
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i tryed to use an old nforce kext by meDevil
but it does not help (black screen - no signal)

i tryed to install nvidia graphic drivers
but it does not help too (black screen - no signal)

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at least i tryed to install snow Leopard from leopard on Portable USB Harddisk drive
but it does not works (black screen - no signal)