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Wheres my SLI?

post #1 of 39
Thread Starter 
Ok so I just got another GTX460 SOC, plugged her in and turned her on (haha).
I can see the 2nd card in GPUz, HWMonitor, Nvidia Physx config, and Device Manager. (Yes SLI bridge is installed, as well as all power connections)

Prior to installing, I uninstalled ALL Nvidia drivers and ran a SafeMode DriverCleaner. Then installed 285.38 drivers for BF3 once the 2nd card was in.

Ran 3dMark11, and its the exact same score as a single card. HWmonitor reports the card didnt rise in temp at all, it was unused.

So, I cannot find any setting or info screen that tells me SLI is enabled or not. I know it isn't, I just dont know how to enable it, havent SLI'd since 2006... thanks guys.
    
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post #2 of 39
Go to Nvidia Control Panel and third from top, set to maximize and not disabled. Sorry can't help better, on my phone...

And I'm not 100%, but 3DMark11 may not support SLI. I think I had the same problem once. Try benching with Unigine Heaven v2.1
Edited by El_Capitan - 10/8/11 at 10:55pm
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post #3 of 39
Thread Starter 
Set what to maximize? I assume you mean an SLI setting, which I dont have any. All I have is Physx options

Could it be this Beta driver?
    
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post #4 of 39
Quote:
Originally Posted by El_Capitan View Post
Go to Nvidia Control Panel and third from top, set to maximize and not disabled. Sorry can't help better, on my phone...
^Yup. SLI is disabled by default, you have to manually enable it after a driver installation.

It should look like this OP:

Attachment 232757
post #5 of 39
Quote:
Originally Posted by SMK View Post
Set what to maximize? I assume you mean an SLI setting, which I dont have any. All I have is Physx options

Could it be this Beta driver?
That setting should be there, I have SLI with that same driver. You might need to fully uninstall your drivers, maybe use driver sweeper to help.
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post #6 of 39
Just to rule out the silly stuff, you connected the two cards together with a working SLI bridge, correct?

Silly me, I can't believe I missed the line in the OP...

I would have said to do a clean install with Driver Sweeper in Safe Mode, but looks like you're good there...
post #7 of 39
Thread Starter 
OK, well I uninstalled and went back to 280.26, and SLi is enabled, I can see that option now. Whats the right way to update to 285.38? Install over 280?
    
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post #8 of 39
Yeah, even when you install 285.38 it'll ask you "do you want to perform a clean install". Enable that and you should be fine. If not just go back and install 280.26 and install 283.38 on top of that.
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post #9 of 39
Thread Starter 
Well i just got a "Your monitor is not connected to as Nvidia GPU" message.
Installed 285.38 over 280 series and lost SLI...
reverting back to 280.38... wth
    
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post #10 of 39
Do not install a clean install of the BF3 drivers ove the latest nvidia. Just do an express install.
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