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8800GTS SLI problems - Page 2

post #11 of 18
Quote:
Originally Posted by vikingsteve View Post

Kombustor confirms they both work. GPU load near 100% for both of them when tested individually. I didn't dedicate either GPU to PhysX when I SLI'd them. I just left that to be auto configured.
Anyone else have any ideas? I don't know what to do.

System restore? (If you had that turned on). Back to when it was working fine! wink.gif
Check what's updated and whatnot, maybe a program is interfering with your crossfire? Tried starting it as Admin? (as stupid as that sounds)
 
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post #12 of 18
is SLi actually enabled?

Give clean install drivers a try
    
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post #13 of 18
Thread Starter 
I tried uninstalling the drivers, and now everything is a mess. I tried re-installing 285.62 but it says it can't find compatible hardware. Now I'm stuck at 800x600.

I'm starting to get really mad. I'm tired of jumping through all these hoops. Why would my GPU just suddenly stop working the way it was 2 days ago? I didn't do anything new. I didn't install anything, or uninstall anything. I made literally zero changes between Friday and today.

Starting to install 285.62 now...


Well, 285.62 installed. Kombustor shows that in SLI, 1 of the GPUs still isn't being used. Anyone with any creative ideas? Or am I screwed? Did one of the PCI lanes suddenly die out? I know the power connectors are fine. The fans work. I don't know what else it could be at this point.
Edited by vikingsteve - 2/19/12 at 10:04pm
post #14 of 18
Thread Starter 
I forgot to add, and this is significant, earlier today I got 2 blue screens of death. One happened when I was playing Company of Heroes (very briefly) and the other while I was browsing the internet a couple hours later.

Maybe my PC is just getting close to kicking the bucket.
post #15 of 18
Check your setting in the game, vsync enabled? A/A too high for the vram? what about a clean install of the drivers?
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post #16 of 18
do you have any heavy physX games?..........can you disable SLI and set the second card as physX, and then play one?
    
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post #17 of 18
worst case windows reinstall
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post #18 of 18
Thread Starter 
Quote:
Originally Posted by JieMan View Post

Check your setting in the game, vsync enabled? A/A too high for the vram? what about a clean install of the drivers?

AA off. Vsync on.
Quote:
Originally Posted by Vlasov_581 View Post

do you have any heavy physX games?..........can you disable SLI and set the second card as physX, and then play one?

Company of Heroes is pretty much the only game I play. So no, I can't really do that.


Interestingly, I can play just fine in windowed mode. Everything is smooth. Something is up with fullscreen...
Quote:
Originally Posted by burksdb View Post

worst case windows reinstall

I'd rather not. If it came to that I might just buy a new computer. This one is pretty old.
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