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Member Since 25 Feb 2009
Offline Last Active Nov 24 2017 03:09 AM

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Making Some Progress with my 7970

22 March 2013 - 03:13 AM

I'm still trying to get my 7970 working with 10.8.3 & Clover. Finally though, I'm making some progress...

At the Clover boot prompt, I modify my boot args to read only: GraphicsEnabler=No. Also, I set the FrameBuffer to: Aji.

Using these params, my system boots me to to my desktop; I no longer get a "No Signal" on my display. The problem is, my screen is totally black.

Any ideas as to what parameter combination might work for me?

Problem with 7970 & 10.8.3

21 March 2013 - 02:36 PM

My board is a Gigabyte Z77-UP5 TH. Here are the steps I followed:

1) Clean install of 10.8.3 using the integrated graphics for video.
2) Use #####, and get a working system.
3) Install the Clover bootloader.
4) Shut down.
5) Insert my MSI R7970, and connect my display to it via HDMI port.
6) Power-up.

OSX clearly boot up, as I can hear the 7970 fan get whisper quiet (as when drivers load), but all I get is a black screen with the "No Signal" message on it.

So, I reset the system, but this time boot while connected to my integrated graphics. Now everything seems fine. If I look in "System Profiler", my AMD card shows up as it should: "AMD Radeon 7970-X". However, if I connect my display to the card, I once again get a black screen with the "No Signal" message displayed.

Anyone have any ideas of what the problem might be? What can I try to get this working?
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