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White Screen on Login Start up

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hi,


i new in mac os x


i install Mac OS X 10.8.5 Mountain Lion bootable USB for Intel PCs download from here

https://thepiratebay.sx/torrent/8915051/


the installer working great and after installer finish i get white screen i wait for 1 hour still white screen.

after that i try to boot in safe mode its working but i can't update anything my pendrive not working on safemode.


Computer spec is


Intel Core I5

RAM : 8GB DDR3

Gigabyte : GA-H67MA-UD2H

GPU : SAPPFIRE HD 7750


i hope can hear solution from the expert

thanks

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Try moving video kexts in single user (press space bar in Clover) and boot without caches


http://Olarila.com/forum/viewtopic.php?f=27&t=1677


After patching kexts as artur-pt suggested you can install them back.


If it does not work you can try this app in startup items


http://Olarila.com/forum/download/file.php?id=3496

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Patch kexts as in the topic from artur-pt and install using Kext Wizard (they are in /kext_backup).

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If you run the commands from the first link I posted, they should be there.


Maybe the white screen gets fixed by patching the kexts, if it doesn't, try the FBRotate.app I posted.


I'v been told this white screen problem is fixed in Mavericks.

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