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10.10.3 Update Black screen with cursor

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Running OSX installation flash drive works fine with npci=0x2000 -v since I disabled "serial port" in BIOS.
But it's not possible to finish the OSX setup process. Booting from Yosemite HDD without -x does not work. After installing OSX with -x it is not possible to enter OSX without safemode too.

Graphic glitches: https://www.dropbox.com/s/ps75i64hae1yyka/2015-05-27 21.26.31.mov?dl=0
 
Joined
May 9, 2011
Messages
5,870
Motherboard
GA-Z170X-Gaming 3
CPU
i7-6700
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Gigabyte GTX 970 WINDFORCE / Intel HD Graphics 530
Mac
  1. iMac
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  1. iOS
Running OSX installation flash drive works fine with npci=0x2000 -v since I disabled "serial port" in BIOS.
But it's not possible to finish the OSX setup process. Booting from Yosemite HDD without -x does not work. After installing OSX with -x it is not possible to enter OSX without safemode too.

Graphic glitches: https://www.dropbox.com/s/ps75i64hae1yyka/2015-05-27 21.26.31.mov?dl=0

Try to boot with "dart=0 npci=0x2000 IGPEnabler=No GraphicsEnabler=No -f -v"
 
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For those who wish to avoid AMDRadeonX4000 kext editing, you can give a try to verde.kext which do the same exact job and will not be overwritten by OS X updates.

Works fine :D !


10.10.4.png
 
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10.10.5 Update Black screen with cursor

Hello,
I have recently updated to 10.10.5 and I have the same problem. When I boot using Clover, I get a black screen on my two monitors, with the mouse cursor in upper left corner. I can move it, etc., caps lock works.
If I boot (without boot flags) using Chameleon on my original installer USB key, then I get the same result, but with an Apple-grey (or gray?) background.
I've tried different boot flags, no worked.
Is there something I can do like with the kext for the Radeon X 4000 kext?
Also, according to the OS X volume, the files that were modified in the update (in the System\Library\Extensions) are IOGraphicsFamily.kext, IONDRVSupport.kext, IOPCIFamily.kext, System.kext, AppleBacklightExpert.kext and AudioAUUC.kext.

Plz I don't want to reinstall everything, it took me 3 days to make it working...

EDIT: Also I am using an Asus GeForce GTX 760 192-bit
EDIT 2: I downloaded the latest nVidia drivers (346.02.03f01) and copied the kext files in \System\Library\Extensions, now when I boot using Clover, I get exact same as before, except that at 50% of the progress bar, instead of opening the black screen with cursor like previously, I get a small "loading" circle icon. It's been staying there for around 15 minutes and nothing happened. If I boot using the installer USB key with the boot flags "dart=0 nv_disable=1 GraphicsEnabler=No IGPEnabler=No -f -v" I get lots of stuff then kernel panic "a freed zone element has been modified in zone kalloc.64". Otherwise, it freezes at "[IOBluetoothHCIController][start] -- completed"

Thanks very much
 
Joined
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