Black Screen After 10.10.3 update

TheLnxDrd · Apr 9, 2015

Just updated my Build to 10.10.3, but after chimera it shows the apple logo and then monitor cannot get a signal.

I think its caused by the nvidia webdrivers.

I was using apples own drivers and it worked just fine. and when i last tried webdrivers. they did not work at all. Any Quick fix to this? I cannot boot with -x, same problem here.

Thanks Beforehand - TheLynxDr

Jithin.C.V · Apr 9, 2015

TheLnxDrd said:
Just updated my Build to 10.10.3, but after chimera it shows the apple logo and then monitor cannot get a signal.

I think its caused by the nvidia webdrivers.

I was using apples own drivers and it worked just fine. and when i last tried webdrivers. they did not work at all. Any Quick fix to this? I cannot boot with -x, same problem here.

Thanks Beforehand - TheLynxDr

Which driver you are using?? Web Driver or Native OS X driver??

If the card was working fine with native drivers, then why you had installed web driver??

Try to boot with "dart=0 nv_disable=1 GraphicsEnabler=No IGPEnabler=No -f -v".

TheLnxDrd · Apr 9, 2015

Sorry. I meant that i have Nvidia drivers installed, but i use OS X Default Driver.

After The Update I Had This problem.. And I booted with nv_disable=1 GraphicsEnabler=No IGPEnabler=No -f -v, This Code worked, But now how do i fix this problem?

Jithin.C.V · Apr 9, 2015

TheLnxDrd said:
Sorry. I meant that i have Nvidia drivers installed, but i use OS X Default Driver.

After The Update I Had This problem.. And I booted with nv_disable=1 GraphicsEnabler=No IGPEnabler=No -f -v, This Code worked, But now how do i fix this problem?

Better remove web drivers.

Open your org.chameleon.boot.plist file (file will be present in /Extra folder of your OS X installed partition) and make the changes as mentioned below,

<key>GraphicsEnabler</key>
<string>No</string>

<key>IGPEnabler</key>
<string>No</string>

<key>UseKernelCache</key>
<string>No</string>

Save the file. Reboot OS X and check the booting.

Good Luck...!

TheLnxDrd · Apr 9, 2015

Still experiencing the same problem.

Jithin.C.V · Apr 9, 2015

TheLnxDrd said:
Still experiencing the same problem.

How you connected your monitor?? VGA not supported also avoid converters.

Set graphics card as your primary video adapter/initial display port on BIOS.
Disable integrated graphics on BIOS (If you are not using it)

Then try booting -v. If the booting stuck with messages on screen then post a photo of the entire frozen screen.

Note:- As per the GTX 660 testing thread, it requires web driver. I had suggested to remove it only because of you had mentioned on your first post that the card were worked perfectly with native drivers.

TheLnxDrd · Apr 9, 2015

I am using HDMI Cable. And my native Resolution is 2560x1080, if this is even important info.

I will try disabling Intel Graphics from BIOS And Re-installing those web-drivers.
I'll report back..

EDIT: -v does not show any errors and the mac does not freeze. Monitor just turns off after otherwise successful boot.

Jithin.C.V · Apr 9, 2015

TheLnxDrd said:
I am using HDMI Cable. And my native Resolution is 2560x1080, if this is even important info.

I will try disabling Intel Graphics from BIOS And Re-installing those web-drivers.
I'll report back..

EDIT: -v does not show any errors and the mac does not freeze. Monitor just turns off after otherwise successful boot.

Install web driver for your running OS X version, then try to boot with nvda_drv=1

For 10.10.3 (14D131) : http://us.download.nvidia.com/Mac/Quadro_Certified/346.01.02f01/WebDriver-346.01.02f01.pkg

TheLnxDrd · Apr 9, 2015

Still no luck..

Jithin.C.V · Apr 9, 2015

TheLnxDrd said:
Still no luck..

Try to boot with "dart=0 PCIRootUID=1 nvda_drv=1"

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