HIS HD 5850 iCooler V 1GB fan spinning but no display

DeadM8

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May 12, 2014
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Hi, I have recently purchased a new graphics card, the HIS HD 5850. I have plugged it into the motherboard and attached both power supplies to a 6 pin splitter, which originally came from a 6 pin cable from the power supply. The fan spins, but no there is no display on my monitor. Here are my specs:
Motherboard: GigaByte GA-78LMT
New graphics card: HIS HD 5850 iCooler V 1GB (256bit) GDDR5 PCIe (DirectX 11/ Eyefinity)
Old graphics card: AMD HD 6450
PS: 500W

Thanks

EDIT: I think the power supply has something to do with it. When I run the card without the 2 six pin cables plugged into it, the fan runs very quickly. However, when I plug the six pin cables in, the fan slows down, and the card starts to heat up.
 

DeadM8

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I'm not completely sure. This is what I could see on the sides of it, without taking it out the case:
cic atx 12v model 500UB
 

DeadM8

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Ok, thank you very much. Do you have any idea how much it would cost? I don't have a very big budget at the moment, so a cheaper one would be preferable.

 

DeadM8

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It's not new, no. I have contacted the seller, and he has informed me that the card was working perfectly with him, and once I had given him some more information, he can to the same conclusion as you, that the power supply was inadecuate.

 

DeadM8

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No, but the advertisement stated that it had had light usage. I am inclined to believe him on this case. Also, he was selling his whole system, so I don't think it was fraudulent. Do you think this would work? http://www.antec.com/product.php?id=706410&fid=5022038&lan=nz
 

DeadM8

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By using this and the information provided by the seller, the graphics card now works on medium to high settings. This is because if you do this, the card requires 50W less.
 

DeadM8

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These are the steps I took to get the card to work. This setup is still not optimal, but will allow me to play games on medium to high settings until I get a new PSU.

1) Boot Windows using motherboard graphics. In windows, change the resolution to 800x600 then shut down the PC.

2) Disconnect cables from motherboard graphics as these WILL override your graphics card.

3)Boot PC with only a connection from DVI or HDMI on graphics card to your TV or Monitor

4)If your PSU is giving enough power to your graphics card, your PC will boot.

5)If you don't see a picture, switch between DVI and HDMI without restarting PC. DO NOT use the motherboard graphics.

6) Once in Windows, set your resolution to as high as possible.
 

DeadM8

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Once Windows is booted up again, I can download the drivers and put the resolution at the monitor's resolution. For me, it is 1366x768. Games seem to run fine, and the card is not getting hot.