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Boot OS X Samsung NP370


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I have a Samsung a NP370R5E-S02FR laptop (samsung serie 3) with the following specs :

- intel core i5 3210M

- AMD Radeon HD 8750

- SSD samsung 840


System infos :



I'm trying to install moutain lion, but i can't pass the boot step...

I have the message "Still waiting for root device"


My bios setup :

Execute Disable Bit : Enabled

AHCI mode control: Manual, set AHCI Mode = Enabled

Secure Boot: Disable, OS Mode Selection: CSM OS


I have tried some boot flag (-v, -x, -f)

Without -x, i have a kernel panic

I tried some combinaisons with PCIRootUID, npci 0x2000 0x3000, graphicsEnabler...


I tried delete extension in E/E, but always the same mesage "Still waiting for root device".


The same message is present with all sytems I tested : #####, myhack, iaktos...


I have an other hackintosh which works perfectly, but on my laptop I don't know what do...


I listen all ideas, thanks :)

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Thanks to reply. I have add this kext in E/E.


No more "Still waiting", but block on "IOBluetoothHCIController start -- completed".

And before, 10 lines of "Refusing new kext comp...IOPCIFamily : A loaded with a different executable UUID is already present."




And when I replace IOPCIFamily.kext to yours kext in system/library/E, i return to the "still waiting" message.

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I removed :

- ATI2400Controller.kext

- ATI2600Controller.kext

- ATI3800Controller.kext

- ATI4600Controller.kext

- ATI4800Controller.kext

- ATI5000Controller.kext

- ATI6000Controller.kext


And always "Still waiting for root device...", with or without GraphicsEnabler=No and/or npci=0x2000/0x3000

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Okay, it's much better!


I boot only in safe mode but i can install mac os.

(And i have deleted all video kexts to avoid a black screen...).


I can boot on mountain lion installed, in safe mode only again...

(800x600, no touch pad, no sounds, no battery indicator...)


My screen without safe mode :




(And how can i add some flag option with clover ?)


Thank you!

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After some tests, i can't boot without -x.


With all video kexts : black screen during boot, with or without "-x"

Without video kexts : screen freeze (see capture above), OK with "-x"


Without "-x", i'm flood by many "SMC ERROR" lines. It's important ?


With -x,

I boot in 800x600 with chameleon, and i boot in native resolution with clover (but graphics are laggy).


I have read many threads on hd4000, but no results.


I don't know what can i do.

Work to boot the installer without safe mode or work in post installation ?

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