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Sli isnt working on any games

post #1 of 13
Thread Starter 
Hope I have the right forum

Here it goes


Iv the i5 and 2x GTX 570

Im at my wits end here. I just cant get sli working on any games. Iv just recently upgraded windows, from Home Premium to Ultimate now.

I run 3D mark and get a score of P8763 3DMarks so its working there but not in games

I go into the control panels, manage 3D settings and pick crysis 2.exe and make sure that's at Nvidia recommended sli rendering mode and it is, same goes for Witcher 2 (Witcher 2 gets 60 frame rate, should be higher and Crysis 2 dx11 only gets 24)

Iv tried clean install of Nvidia latest beta driver and http://www.evga.com/articles/00463/Default.asp but no luck

DirectX 11 is installed too

What am i doing wrong here?

My global settings in gpu control panel
post #2 of 13
Thread Starter 
Could it be that I didnt do a fresh install of windows

I just inserted the Windows 7 ultimate and installed from there
post #3 of 13
try using the 266.58 drivers every thing since them was unstable. A clean instal would be helpful if you are willing to do it. Hope it helps.
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post #4 of 13
Do you have the SLI enabled in nVidia control panel, and SLI bridge installed?
post #5 of 13
Have you went into the Nvidia control panel and turned on 3d SLI? On Witcher 2 are you using all ultra settings, with the uber sampling turned off and vsync turned off. I have 570 sli too and I don't get much more then 60fps, and my 3dmark 11 score is around 1100. If witcher 2 has vsync on it won't go over 60. I don't have crysis 2 so can't compare with you with it.

where you turn it on in Nvidia there are only 3 option for it. You have probably done this, but I just figured I would list some basics, because all I know is the very basics.
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post #6 of 13
Thread Starter 
Quote:
Originally Posted by anubis1127 View Post
Do you have the SLI enabled in nVidia control panel, and SLI bridge installed?
Yes

Quote:
Originally Posted by bevo View Post
Have you went into the Nvidia control panel and turned on 3d SLI? On Witcher 2 are you using all ultra settings, with the uber sampling turned off and vsync turned off. I have 570 sli too and I don't get much more then 60fps, and my 3dmark 11 score is around 1100. If witcher 2 has vsync on it won't go over 60. I don't have crysis 2 so can't compare with you with it.

where you turn it on in Nvidia there are only 3 option for it. You have probably done this, but I just figured I would list some basics, because all I know is the very basics.
Great news I got witcher 2 going thanks to ya. I didnt turn off vsync, thanks.

Now if someone can help me with crysis 2 I would really appreciate it please
post #7 of 13
Isn't there an SLI patch for crysis 2? I had to download that to get SLI to work properly in that game and got 90%+ usage on both GPUs...

If you have not already, get EVGA precision or MSI afterburner. You can set the OSD to show GPU usage, temps, FPS etc...
 
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Cheap beige DVD ROM Koolance full copper GX2 block Vista 32bit LG W2486L 
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post #8 of 13
Quote:
Originally Posted by pc-gamer View Post
Yes



Great news I got witcher 2 going thanks to ya. I didnt turn off vsync, thanks.

Now if someone can help me with crysis 2 I would really appreciate it please
Glad you got it going. Do you get any screen tearing when you turn really fast with Vsync off. I can't run mine without it on, or the screen tears right down the middle when I turn very quick.
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i7-950 asus rampage III SLI EVGA GTX 670 FTW 4gb 12 gig corsair dominator 1600 
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ocz 120gig ssd corsair h70 windows 7 64 triple ASUS VE278Q for racing 
MonitorKeyboardPowerCase
50 inch panny plasma for shooters and movies G510 kingwin 1000 in win dragon rider 
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R.A.T. 7 polk rti a fronts and center, polk fxi rears, s... fanatec CSW 
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My System
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CPUMotherboardGraphicsRAM
i7-950 asus rampage III SLI EVGA GTX 670 FTW 4gb 12 gig corsair dominator 1600 
Hard DriveCoolingOSMonitor
ocz 120gig ssd corsair h70 windows 7 64 triple ASUS VE278Q for racing 
MonitorKeyboardPowerCase
50 inch panny plasma for shooters and movies G510 kingwin 1000 in win dragon rider 
MouseAudioOther
R.A.T. 7 polk rti a fronts and center, polk fxi rears, s... fanatec CSW 
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post #9 of 13
Try a different sli bridge cable if you have one. I had this issue last year
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post #10 of 13
Thread Starter 
so I think I may have it sorted

I turned off the vsync off within all my games including crysis 2 and my sli is working again

strange that
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