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d430 / 10.7.5: rebooting after edp install results in black display.


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I'm trying to install mac os x lion 10.7.5 on a dell d430. Everything is fine so far, except that after installing and running edp (for model d420/d430) the next reboot results in a black display some time before login screen. the system seems to run normally but i am unable to get the display working. Also booting with "-x -f -v" does not work. The only way of getting the display back is reinstalling Extras with myHack from install usb (with loosing edp settings).


I checked that bios settings are like listed in the forum.

Bios version is A09.


No wireless card is currently installed (i'm still searching for a replacement of the intel card)


Can you please help me?

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