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angelus88

Can't install HD4000 Graphic kext

Question

First of all, hello guys and thanks in advance for your support.

I desperately need your help.

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I have a laptop, Acer E1-570 where I successfully managed to install N{censored} Mavericks 10.9

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I have Chameleon bootloader and at first the system didn't want to boot.

It only booted with -x boot flag that's it safe mode.

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After some advices around forums, I removed all the kexts files relating the graphics from /System/Extensions/Library and now it's booting fine without any boot flag but I have no internet and no graphic acceleration.

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The graphic card is correctly identified but no kext are loaded.

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As I said, I have the HD 4000 integrated graphic card and I don't know what to do to install the correct kext file. I tried everything but every time I install the AppleIntelFramebufferCapri.kext , Mavericks won't boot and I don't know what boot flag should I use but I tried almost anything.

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Could you please, please, give a hand with this? sad.png

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Thanks again guys

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Carissimo desmomarco999 volevo dirti che grazie al tuo consiglio dell'aggiornamento BIOS ho risolto!!

Ho aggiornato il BIOS, riavviato e reinstallato Mavericks e si è avviato senza alcuna configurazione particolare!! :eagerness:

La scheda video viene rilevata con 1024Mb VRAM. Adesso provo il tuo kext per avere 2048Mb VRAM.

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Grazie mille ancora!!! :eagerness:

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For all the English users, just UPDATE THE BIOS to v. 2.06!!! Using N{censored} distro, the system will boot without any particular setting.

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P.s.sul mio pc ho yosemite installato ma , anche se mi funziona tutto tranne imessage, non ti consiglio di installarlo.

La procedura è rognosa .... e il post installazione davvero "particolare".

Per ora starei su mavericks....

Ciao!

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Infatti adesso Mavericks funziona alla grande! Funziona praticamente tutto tranne wifi, trackpad e scheda di rete.

Per il wifi ho comprato un adattatore usb, per il trackpad ci sto lavorando.

Per la scheda di rete ho letto che non sembra compatibile.

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In merito al tuo kext, lascio 1GB di VRAM della scheda grafica perché il mio pc ha 6 gb di RAM.

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Grazie mille comunque, sei stato essenziale!!

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Per il touchpad è semplice: scarica McPois0n 1.6 per mavericks sa N{censored} e fra le scelte dei kext per il touchpad seleziona Generic touchpad.

Riavvia e...... Il touchpad funzionerá

Ah dimenticavo.... Tanto che ci sei seleziona pure battery e avrai anche il controllo della batteria.

Ciao!

Edited by desmomarco999

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