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str4

AMD Radeon 7770 bug graphics

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str4    0
AMD Radeon 7770 bug graphics

Hello all, 

Hope you are well !

 

 

I have install Sierra on my AMD computer. My config : 

 

Mother Board ; M5A78L-M/USB3

Processor :  AMD FX(tm)-4170 Quad-Core Processor

Graphics Card : AMD Radeon HD 7700 Series  -   AMD Radeon Graphics Processor (0x683D)

RAM : 10 GB

 

 

The install was successful and I boot on Mac with the bootloader Enoch R2848 and boot flag:

-v npci=0x2000 


Sound, internet work great but the graphics don't work well, I have no acceleration graphics and bug (see capture):


http://hpics.li/b31df24

Can you please help me to add kexts or other?


Thanks a lot in advance,

 

Have a nice day,

 

                Léonard

 

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str4    0

Hi,

 

Please I try different thinks but doesn't work... Any idea ? I muss change boot loader like clover or impossible ?

 

Thanks

 

Léonard

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I may have found a possible solution to your problem Léonardhttp://www.macbreaker.com/2013/03/radeon-7000-hackintosh.html

Essentially this will be the process for your machine:

  1. Set your BIOS to default to your integrated graphics (IGPU)
  2. Plug your monitor into the Radeon HD 7770
  3. Use the following bootflags: 
-v GraphicsEnabler=No npci=0x2000

 

Then you might have functioning QE/CI, otherwise you'll either want to pick up a known functioning Nvidia GPU for OS X Sierra or resort to downgrading the version of OS X to a known functioning version. (I think 10.8.3 is the minimum supported version for the HD 7770 (Mountain Lion) see this post for specific variants of the Radeon HD 7000 series cards that are known to work: https://www.tonymacx86.com/threads/list-of-confirmed-radeon-hd-7xxx-series-10-8-3.92952/ )

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