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Help is critically needed! Thank you for reading.

 

So, I got this old beast the "Dell Workstation 690" Successfully installed Mountain Lion 10.8.2 The problem is, whenever the nVidia kexts loads the screen goes black while I am almost sure the system loads flawlessly but I can't see it. 

 

I tried all the nvidia drivers be these stock OS X or retail nVidia. Doesn't help. Went through all I could find regarding this issue but still no help.

 

The graphics card installed is nVidia GT 630 4GB

 

Appreciate some help

Thank you

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I'm ready to bet square prunes that the black screen issue would dissappear with the right PCI root value and GE=Yes. In all likelyhood the BIOS DSDT has PCI root set to 4, in which case, booting with Chameleon options PciRoot=4 GraphicsEnabler=Yes would probably cure things.

 

You could then edit your DSDT to change _UID from 0x04 to Zero under Device (PCI0) and get rid of your PciRoot=4 bootloader option. Chameleon (and other bootloaders to that matter) uses default value of 0 for PCI root.

 

http://forum.osxlatitude.com/index.php?/topic/2061-dell-precision-470-670-workstation-snow-leopardlionmountain-lionmavericksyosemite/&do=findComment&comment=33012

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Help is critically needed! Thank you for reading.

 

So, I got this old beast the "Dell Workstation 690" Successfully installed Mountain Lion 10.8.2 The problem is, whenever the nVidia kexts loads the screen goes black while I am almost sure the system loads flawlessly but I can't see it. 

 

I tried all the nvidia drivers be these stock OS X or retail nVidia. Doesn't help. Went through all I could find regarding this issue but still no help.

 

The graphics card installed is nVidia GT 630 4GB

 

Appreciate some help

Thank you

Don't know what boot-loader you are using but if you go to /Extra and find org.chameleon.Boot drag it to the desktop open it with text edit change UseKernelCache=No GraphicEnabler=Yes PCIRootUID=4 . Then drag it back it into /Extra this solved my boot problems. I also removed the darkwake=0 from the file.

 

Here is what I am using

 

 

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>EthernetBuiltIn</key>
<string>Yes</string>
<key>GraphicsEnabler</key>
<string>Yes</string>
<key>Kernel</key>
<string>mach_kernel</string>
<key>Kernel Flags</key>
<key>Legacy Logo</key>
<string>Yes</string>
<key>Timeout</key>
<string>2</string>
<key>UseKernelCache</key>
<string>No</string>
<key>PciRoot</key> 
<string>4</string>
 
</dict>
</plist>

 

 

You can also use F8 and type those commands in manually to get it up and running.

 

Processor 2 x 2.66GHz Quad-Core Ine Xeon

 

Memory 16 GB 667 MHz DDR2 FB-DIMM

 

Graphics GeForce 210 1024MB

 

Software OSX 10.8.5

 

Wow this post is 2 years old sorry.

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