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New XFX 6850, But have a problem.

post #1 of 9
Thread Starter 
Hello everyone. This is my first post here on ocn :] I recently purchased an xfx 6850, the base model with 775mhz core and 1000mhz.

Well here is the problem, After installing the card and the driver package, i loaded up msi afterburner and gpu-test. I ran gpu-test for stability for 45 mins to set the thermal paste. then let it cool and started the computer back up. As per the sticky at the top, i overclocked it to 850/1100, which is within the ccc limits and, as i figure almost completely safe. the temps never rose above 76*.

Now, after this i go to play wow. When i first start up the game I turn all graphics to ultra. v-sync on. I notice a flash on the screen on the lower, say, half of the screen. just looks like a couple windows open or something... then when i get in game i notice, what i would call, screen tearing. it looks almost like the gpu is rendering the bottom half of my screen a split second faster than the top half and the top half is laggin behind.



Here is me trying to explain it... haha
Say you are looking at a mountain, then you turn to the left. the top of the

mountain looks like this............^
.............................................. /...\\
The bottom half.............../........\\
looks like this................./...........\\




http://youtu.be/WvfL6irNkIM

okay cant figure out how to embed. haha
Edited by Hotchi69 - 10/16/11 at 6:40am
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post #2 of 9
Did it do that before the OC? Probably not fully stable, might need a voltage bump... that's my guess anyways.

I see you stressed the card pre-OC, did you stress test post-OC?

I'll be honest, my last AMD card was a 4870x2 so I can't really direct you properly :\\
    
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post #3 of 9
I'd try leaving the memory at stock speeds. Sounds memory related to me. Not unstable but a bug.

If it's like it at stock, I'd say it's the screen.

Card isn't going to die.
Edited by Willhemmens - 10/16/11 at 6:45am
post #4 of 9
Thread Starter 
I forgot to mention, After I over clocked i ran gpu-test for the full 30 mins while at my computer to check for stability. All checked out good. After playing the game for a bit and noticing the "tear" I restarted my computer and left the GPU clocks at the stock level.

Per your advice, with it being a memory problem, I reduced my memory clock to 200mhz below stock, for testing. This did not change it.
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post #5 of 9
Just made a edit above.

If it's happening at stock speeds, your screen is probably to blame.
post #6 of 9
Thread Starter 
okay so my actual monitor can cause this problem? that makes me happy haha

I'm just really hoping its not this card going bad. I am going to try it on my 42" lcd tv and see if it happens there.
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post #7 of 9
Thread Starter 
Okay I have connected my GPU to my tv via hdmi. As far as my girl friend and I can tell, it is NOT happening on the tv. Does this pretty much clinch it that it is my monitor being to slow?
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post #8 of 9
What is your monitor? Are you running the game at a supported resolution for the monitor?
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post #9 of 9
Thread Starter 
http://www.newegg.com/Product/Produc...82E16824176072

This is my monitor I think.

I am running the game at the monitors recommended rez.
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