sh4dy Posted August 1, 2011 Share Posted August 1, 2011 Hello, I'm trying to install Mac OS X Lion on my Laptop and today I've crossed with this graphic card issue. My graphic card is nVidia GT 425M. And right before scanning NTFS partions the screen turns black and I can't see anything. I was able to patch DSDT for my laptop and by using this flags: GraphicsEnabler=no DSDT= /Extra/dsdt.aml (Chameleon bootloader). With this flags I was able to see the installation menu with welcome screen and language preferences. Anyway, turns out that DSDT has disabled my keyboard and mouse so I wasn't able to continue with the installation. Does any of you can guide through some steps in order to fix compatibility with graphic card or to enable keyboard and mouse support? I'm not very experienced with DSDT but if there a manual editing that should be done, I'm willing to learn. I hope that this is solvable topic. Any help is very much appreciated. Link to comment https://www.insanelymac.com/forum/topic/264359-solvedlion-installation-resulting-on-black-screen/ Share on other sites More sharing options...
aufa333 Posted August 2, 2011 Share Posted August 2, 2011 Hello, I'm trying to install Mac OS X Lion on my Laptop and today I've crossed with this graphic card issue. My graphic card is nVidia GT 425M. And right before scanning NTFS partions the screen turns black and I can't see anything. I was able to patch DSDT for my laptop and by using this flags: GraphicsEnabler=no DSDT= /Extra/dsdt.aml (Chameleon bootloader). With this flags I was able to see the installation menu with welcome screen and language preferences. Anyway, turns out that DSDT has disabled my keyboard and mouse so I wasn't able to continue with the installation. Does any of you can guide through some steps in order to fix compatibility with graphic card or to enable keyboard and mouse support? I'm not very experienced with DSDT but if there a manual editing that should be done, I'm willing to learn. I hope that this is solvable topic. Any help is very much appreciated. on ur USB/HDD u install Lion from u will find com.apple.Boot.plist put <key>GraphicsEnabler</key> <string>N</string> inside it and see what will happen ,if it didnt work ,remove the dsdt flag from the boot.plist and check again. Link to comment https://www.insanelymac.com/forum/topic/264359-solvedlion-installation-resulting-on-black-screen/#findComment-1727993 Share on other sites More sharing options...
sh4dy Posted August 2, 2011 Author Share Posted August 2, 2011 on ur USB/HDD u install Lion from u will find com.apple.Boot.plist put <key>GraphicsEnabler</key> <string>N</string> inside it and see what will happen ,if it didnt work ,remove the dsdt flag from the boot.plist and check again. You're a genius. Thank you very much Link to comment https://www.insanelymac.com/forum/topic/264359-solvedlion-installation-resulting-on-black-screen/#findComment-1728437 Share on other sites More sharing options...
aufa333 Posted August 3, 2011 Share Posted August 3, 2011 You're a genius. Thank you very much :pirate2: good ,glad to help . Link to comment https://www.insanelymac.com/forum/topic/264359-solvedlion-installation-resulting-on-black-screen/#findComment-1728775 Share on other sites More sharing options...
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