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Black Screenn after install Yosemite


XOBX
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Hi have Niresh Yosemite successfully installed. After restarting i had Black Screen. The only way to see with Screen is to start with "-V nv_disable = 1".

I installed cudadriver-5.5.25-macos.dmg, cudadriver-6.5.14-macos.dmg  without success. I wanted to WebDriver-334.01.03f01.pkg install but can not. Not Compatible.

I have complete the installation. But with nv_disable = 1 I can not work.

I do not know what I can do.

on a different partition , I've Mavericks Things are going well .

 

 

 

Lenovo IdeaCentre B540p

Processor Name:

Intel Core i5-3350P

Video Card:

NVIDIA GeForce GT 650M 2GB

 

 

iMac 14,1 SMBios

 

 

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You'll need to download this and NVIDIA Web drivers compatible with your version of Yosemite. Boot via kernal flag nv_disable=1, remove all of the graphics kexts, and install AppleGraphicsControl in S/L/E and repair permissions with Kext Utility. Make sure kernel flag nvda_drv=1 is listed in your Boot.plist and install NVIDIA Web drivers. Reboot via kernal flag nv_disable=1 and go to the NVIDIA Driver Manager menu bar at the top, change the settings to use Web drivers, and restart.

Refer to 10.10.3 part of my OS X guide here.

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