GT 430 white screen when booting installation.

[maxi322]

My problem is that i can boot the installer without any problems at all but when i try to boot the fresh installed mountain lion partition it just gives me a white screen with a mouse that i can move.
I tried using PCIRootUID=1 and 0, and i tried GraphicsEnabler=Yes and No, nothing worked.
I tried upgrading from lion to mountain lion but it still is the same issue.

I'm using the ZOTAC GT 430 2048MB. I'm using an efi injection in lion but it would also work with GraphicsEnabler=Yes.

 

[maxi322]

anyone?

 

[edgar46]

Try booting with: -v npci=x3000 UseKernelCache=No

 

[maxi322]

I tried it even with GraphicsEnabler set to No but i sill get the white screen instead of the GUI.

 

[edgar46]

When I boot with GraphicsEnabler=No I get a black screen.

What model is?

 

[maxi322]

Its the Zotac gt 430 with 2GB ddr3. I can't remember a problem with one of the developer previews of mountain lion.
Thats really strange.

 

[jf_alonso]

Use "-x" to load

 

[maxi322]

Ok i tried -x and i get to the GUI but when i install multibeast with everything that worked in lion perfectly i still have the same issue. I installed cuda 5 for mountain lion as well. But i am still able to get to the GUI with a safe boot. By the way i am using a MacPro 3,1 identifier if this is important.

 

[naegling]

I also have a Zotac 430. Same result.

System worked perfectly with Lion.
First unibeast-ML boot from USB was successful to install ML
Second unibeast-ML boot from HD to install bootloader halted with white screen.
As with maxi322, tried all combinations of PCIRootUID (0 and 1), GraphicsEnabler (yes and no), with and without kernel cache, verbose. No joy.

Pulled the 430 card and installed with HD 3000 on-board video.
Others here have reported success with 550 by removing video card, installing with HD only, and then re-inserting video card.
Re-inserting the Zotac 430 after HD installation returns to white screen.

I do have a functioning system with ML on HD 3000 .
But, HD 3000 brings host of other issues.

A separate build with an nVidia 450 completed without drama. +

 

[coolcorey1]

Try removing ati6000controller.kext and atiframebuffer.kext from system/library/extensions and run kext beast and then reboot