theking21 Posted January 21, 2013 Share Posted January 21, 2013 Hi i am following this guide: http://Olarila.com/forum/viewtopic.php?f=27&t=1627 CPU: I5 2500K GPU: AMD 6850 RAM: 8GB MOBO: H61M-VS i followed the guide and wrote the image to my usb stick i tried booting and i got a black screen/reboot after these two lines: "Starting Darwin x86_64" "Boot Args: boot-uuid= 6314..." I then deleted the video kexts with transmac and also deleted this: "/System/Library/Caches/com.apple.kext.caches/Startup/Extensions.mkext" Still got black screen at the same position as last time, even with these boot options: -v -x -s GraphicsEnabler=yes GraphicsEnabler=no USBBusFix=yes ... etc I have also tried looking for HPET and NX Bit in my bios, but i cannot find it to enable it. is there anything else i can try? thank you Quote Link to comment Share on other sites More sharing options...
artur-pt Posted January 21, 2013 Share Posted January 21, 2013 hello u video card is only amd 6850 ? if so must remove the ati6000controller if also use intel hd 3000 must remove the appleintelhd*.kext and boot -f -v GraphicsEnabler=No and post image where it stop good hack Quote PB Easy Note TM 86 - i5 430 M - H55M - Ram - 6 GB - Alc272 - Radeon HD 5470 512 QE/CI Lenovo G500 - i5 3230m - HM77 - Ram - 8 GB - Conexant audio - HD 4000 My OS X Files Link to comment Share on other sites More sharing options...
theking21 Posted January 21, 2013 Author Share Posted January 21, 2013 thanks for the reply, i have deleted the following kexts: ATI* AppleIntelHD* AppleIntelSNB* NVDA* my system uses the ati 6850, the onboard intel graphics are NOT used. (i did try booting the usb without the 6850 which didnt work) i booted with "-f -v GraphicsEnabler=No" like you said and this is the final screen before black screen and system restarts: anything else i can try? thanks for the help so far *good hack* Quote Link to comment Share on other sites More sharing options...
artur-pt Posted January 21, 2013 Share Posted January 21, 2013 hello is something wrong there in the image make a new image to pen only delete the ati6000controller.kext boot -f -v GraphicsEnabler=No good hack Quote PB Easy Note TM 86 - i5 430 M - H55M - Ram - 6 GB - Alc272 - Radeon HD 5470 512 QE/CI Lenovo G500 - i5 3230m - HM77 - Ram - 8 GB - Conexant audio - HD 4000 My OS X Files Link to comment Share on other sites More sharing options...
theking21 Posted January 27, 2013 Author Share Posted January 27, 2013 hello is something wrong there in the image make a new image to pen only delete the ati6000controller.kext boot -f -v GraphicsEnabler=No good hack  hi i followed your instructions and i still get a reboot before the installer runs: here is the last screen before the reboot happens: Quote Link to comment Share on other sites More sharing options...
artur-pt Posted January 27, 2013 Share Posted January 27, 2013 hello have u disable the intel hd 3000 in bios ? only stay enabled the offboard vga ? if so i don't know what is happen.. good hack Quote PB Easy Note TM 86 - i5 430 M - H55M - Ram - 6 GB - Alc272 - Radeon HD 5470 512 QE/CI Lenovo G500 - i5 3230m - HM77 - Ram - 8 GB - Conexant audio - HD 4000 My OS X Files Link to comment Share on other sites More sharing options...
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