Chimera gives me a black screen

[isaacx]

Hi all i have a external hard drive which has sl 10.6.3 on it with a MSI Z68MA-G45 B3 mobo.
I have installed chimera 1.11.1 but when i boot i just get a black screen i tried safe mode and verbose but nothing works I just keep getting black screen any help? I have a GeForce GTS 450 but when i boot from iboot it works fine. So please can anyone help?

 

[sjvintage]

Try PCIRootUID=0 or PCIRootUID=1. Also post your org.chameleon.boot.plist please.

 

[isaacx]

thanks i copied the extra from the iboot cd into my hd and then booted with PCIRootUID=1 GraphicsEnabler=Yes -v and it worked!