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AMD HD7770 and 10.10.5 boot problem...


captainmac
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Hello everybody, I have some trouble with my HD7770...
After many many hours trying differents methods, I successfully to install Yosemite 10.10 on my hackintosh with everything working (audio, lan, usb).
So, after that, I want to update my install to 10.10.5 with combo update.
Updating is going to apply normally but after reboot I can't have an "viewable" login screen.
The only way to boot correctly is by using -x switch.

Any ideas ?

 

My config :

- Motherboard : GA-B75M-D3H with last bios F15

- CPU : Intel I3-2100

- Graphics : MSI HD7770 with 1024 Mo GDDR5

- Audio and Lan : Using onboard

- Bootloader on EFI partition : Clover 2.3 R3270

 

Thanks a lot !

Nicolas

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Hi ! Thanks for reply, I try an kext but it isn't working. The problem is on yosemite login screen , it's scramble and unviewable. Maybe it's an screen resolution problem because I have actually an old 17inch lcd display wich is not able to display upper than 1024x768 resolution if I remember correctly. So can exist an fix for setting the login screen resolution ? For more clear explanation, when I speak about login screen, this is the screen comming after boot process where your username is display and where you put your password for access to the finder (the desktop).

Thanks a lot

Kind regards

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  • 3 weeks later...
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