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Member Since 27 Mar 2008
Offline Last Active Jul 18 2014 04:26 PM

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Black Screen Issue on Lion with HD6870

23 June 2012 - 10:51 AM

Hi everybody,

I build a Sandy Bridge hackintosh some month ago with components listed at tonymacx86 and everything worked nicely like a real mac.
I used the onChip Intel HD3000 Graphics so far.
Now I upgraded to a PowerColor Radeon HD 6870 1GB.
System boots well, playing games works also without any problems.

But when I surf the web, I get a black screen after about 10 minutes and I have to reset the Hackintosh to reboot.
I tried several AtiConfig Framebuffers, but nothing solves the problem.

As I saw that some users got this card working OOB, I dunno what I'm doing wrong.

I also installed Windows, no issues there.

Does anybody have an idea what causes this problem?

Thanks in advance!


System specs:
CPU: i5 2500K
Mem: 8GB DDR3-1600
Board: Gigabyte Z68X-UD3H-B3
Graphics: Powercolor Radeon HD 6870 1GB
System: Lion 10.7.4
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