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zimonxx

macrumors newbie
Original poster
Jan 21, 2019
1
0
Hi there,

I have a problem with my iMac early 2008 24inch (nvidia geforce 8800gs). After upgrading GPU to
NVIDIA GeForce 9600M GT 1024 MB the main screen is gray (as showing on photo ) and the external screen is working properly. I installed the EFI Clover boot and extracted SDST configuration.

Does any have a clue how to fix this problem?.
 

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