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MageMaster

HD 7950 3GB Problem

Question

Hello guys

 

I had a Hackintosh running flawlessly on following setup:

 

  • ASUS P7H55-M LX
    • Socket: LGA 1156
    • Chipset: Intel H55
    • LAN: Realtek 8112L Gigabit
    • Audio: VIA VT1708S
  • Intel Core i7 860 2.80GHz
  • NVIDIA GeForce GTS 250 1GB
  • A few hard drives
    • Seagate ST2000DL003-9VT166 2,0 TB
    • Seagate ST31000528AS 1,0 TB
    • Seagate ST3500413AS 500 GB
    • Western Digital WDC WD20EZRX 2,0 TB
    • OCZ Vertex 2 60 GB
  • Niresh's 10.9 Mavericks

 

Everything was running perfectly, until my graphics card broke. So, i bought a newer one:

 

SAPPHIRE HD 7950 3GB OC GDDR5

 

Since then, my system wont boot.

I tried to reinstall, but something occurs after the first phase of installation (after the first reboot)

 

> If i try to run the system without any boot flags, after a few seconds after bootloader screen i lose video signal, and my monitor shows: "No video connection"

> If i use -v , i got stuck on this line before video turn off: 

1414959833__screenshot_2014-10-19-22-27-

 

> if i use -x, -f, npci=0x2000, pciuid=0, or any combination of this boot flags, i got stuck on this same screen, but without video going off.

> if i use GraphicsEnabler=No, the system boots, Audio and lan works, but resolution stays on 1024x768, and system info shows ynder Graphics : "video 3MB"

 

Yosemite installation got stuck on ths same line, even before first setup appears. (Even with GraphicsEnabler=No)

 

 

Any idea of what i'm doing wrong or what can i do to solve this ?

 

 

(sorry about my terrible english, i'm Brazilian)

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