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Graphics card not working?!
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Graphics card not working?!Posted:

Ninja-_-Hamster
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I have a Radeon HD 7990 6GB card. When I plug everything in, the card itself will run, but does not do anything on screen. When I go to the device manager it's not even detected. I have deleted all of the drivers (I had the most up-to-date ones). Any ideas to get it working?
ASUS P8z77-V Deleuxe MOBO
16 GB RAM
Intel i7 3700 CPU
750w PSU

And please dumb down your answers. I am not that tech savvy when it comes to computers.
#2. Posted:
nAb_PwNeR
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You might need to go into the BIOS and enable the PCI-E bus speed to 3.0 instead of 2.0 to recognize it.

So far thats what I read about your mother board that people have problems with the 3.0 PCI-E cards
#3. Posted:
Ninja-_-Hamster
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Where is that in BIOS? Im running Windows 8.
#4. Posted:
Craig
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PCI-E versions won't make any difference. I'm 99.9% sure you can't manually switch it anyway.

It's backwards and forward compatible.
#5. Posted:
Ninja-_-Hamster
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Yeah i didnt see anything about that in BIOS. I only saw PCI-E prioritizing and i set it to my graphics card or whatever instead of iGPU. It still doesnt even show up in device manager.
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