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Saphhire HD 6870 flex edition 1 GB GDDR5 issues

Last response: in Graphics & Displays
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March 19, 2012 7:41:41 PM

Hi all,

This card came in today after I RMA'd another one. I can't for the life of me figure out how to get it working. It freezes Windows 7 64 bit on startup and therefore I am

unable to install the drivers because of this. I also tried switching to my Intel i5 2500k's integrated graphics, but that doesn't even work either! I use an Intel DZ68BC

mobo and a 550w power supply with 1x 6 pin connector and 1x 6+2 pin connector. Does anyone here have a suggestion? Any additional information needed?

Thanks.
a c 181 U Graphics card
March 20, 2012 3:11:50 AM

I don't know does the 6870 use two 6pin conecters? When you hooked up to the integrated graphics did you still have your 6870 in its slot? Because if you did that is why your integrated GPU did not work.

Also could you post all of your spec's and what is the brand of your PSU? Also what happened to your first card when you had to RMA it? Need the story on that as well. Get back to us please.
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March 20, 2012 3:17:20 PM

The 6870s do have two 6-pin power connectors, DM. He has what he needs on the PSU. I would try resetting the CMOS on the mobo, maybe something got changed there that's messing things up.
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a c 142 U Graphics card
March 20, 2012 3:21:29 PM

The 6870 needs two 6 pin connectors to be powered properly. The 6+2 pin will work with the card, just detach the 2 pin from the 6 pin for the second connector.

Now when you say it freezes Windows, how far into the boot do you get? Does it freeze at the starting windows screen, or do you get to the desktop? Try booting into safe mode and install your drivers from there. You can get to safe mode by hitting the F8 key before you see the starting windows screen.
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a c 254 U Graphics card
March 20, 2012 3:59:00 PM

Try shutting down and removing the plug from the wall and the cmos battery from the motherboard. Also remove the video card from the slot and then try to boot up your computer after you plug everything back in except the video card and see if you can get the intergrated graphics to work.
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March 20, 2012 9:51:02 PM

Thanks everyone, I found out what the problem was. For some reason there seems to be a compatibility issue between my card and the mobo. When I tested it on the other PCIe slot, it worked out just fine with no issues. I don't know why this is, but I'll run some diagnostic tests until I figure out why this happened. Once again, thanks for your contribution.
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Best solution

a c 181 U Graphics card
March 21, 2012 2:54:45 AM

That is good new to hear. Hats off to you on your own discovery of the problem. Good job. I hope you find out what is casuing the compatibility problem or it is just your MOBO.

I have a question. Is the slot you have a issue in the x 16? or the other two x8, x4? I am just curious.

@everybody else thanks for the info on the 6 pin connecters. since I have never owned a AMD card I truly didn't know.
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March 28, 2012 1:29:15 AM

Whoops. Sorry I forgot to reply. I have two PCIe x16 slots, both are working fine. I ran a diagnostic and confirmed that some of my Intel motherboard features were conflicting with my AMD drivers. I disabled it in my BIOS and that fixed the problem entirely.

My only concern now is that the card isn't performing quite as well as I expected. Maybe I'm a fool to think that nVidia sponsored titles would run much better on newer AMD hardware, but still, it's somewhat underwhelming.

Thanks all for the help. Much appreciated.
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March 28, 2012 1:29:32 AM

Best answer selected by Blackthorne20.
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