My specs :
- Asus P8Z77-V
- i7 3770k
- Sapphire HD7970 Ghz Edition Vapor-X 6GB
I can't get my 7970 to work ! I tried to do the trick with the HD4000 but the screen stays black. What's the problem ?
I can't get my Sapphire HD7970 Ghz Edition Vapor-X 6GB to work. My motherboard is an ASUS P8Z77-V. The HD4000 is set as the primary graphics but when I start Mac OS X with the HDMI plugged in the HD7970 nothing happens... I have waited enough time but the screen stays black. What's wrong ?
It didn't help. It takes less time to go into sleep mode but it wakes up. I just noticed that it's a sleep -> wake loop. It sleeps (fans off, blinking sleep light) then wakes up and it starts over and over.
Yes, I did reboot after each change. It seems that I have none of these kexts in /Macintosh HD/System/Library/Extensions. By the way. my motherboard is an Asus P8Z77-V and I'm using a flashed BIOS.
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