2 Intern

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2.4K Posts

October 4th, 2010 00:00

Always keep them in SLI. Go into the Nvidia control panel,manage 3D setting and scroll down to the power option.Make sure the power option is set to Adaptive. I think this is the default setting so it should be on. This will clock the cards down when not being used to save power.

145 Posts

October 4th, 2010 06:00

So, even if i enable or disable they still take the same amount of power ? (when i put it to adaptive)

Community Manager

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56.9K Posts

October 4th, 2010 16:00

Test the video cards in the following slots and post the results -
PCIe x16 slot PCI_E1
PCIe x16 slot PCI_E5
= Tearing with SLI on

PCIe x16 slot PCI_E1
PCIe x16 slot PCI_E3

PCIe x16 slot PCI_E3
PCIe x16 slot PCI_E5

145 Posts

October 4th, 2010 16:00

Also, when i enable SLI i encounter with tearing effect at the top of the screen only, and the only way to remove the tearing effect was to clean install the latest nvidia driver (258.96) after the clean install i can't go SLI because that will cause screen tearing effect any idea what is wrong? guaranty its not my monitor because it is brand new. it is either one of the two graphics card or the SLI bridge or does it matter where i put the graphics card because i have 3 pci e slot in the motherboard and i put on of the top and one at the bottom does i matter where i put them since two of them are 16x and one is 8x i think not quite sure...

145 Posts

October 4th, 2010 16:00

i tried to switch the card all over the place but it still no luck. However, i found a website that matches the exact problem that i am having not sure if this is the problem i am having too http://www.overclockers.com/forums/showthread.php?t=653916

 

PCIe x16 slot PCI_E1
PCIe x16 slot PCI_E3

Tearing with SLI on


PCIe x16 slot PCI_E3
PCIe x16 slot PCI_E5

Tearing with SLI on

Community Manager

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56.9K Posts

October 5th, 2010 06:00

Power off, remove the physical SLI bridge. Power on. Leave SLI on in the software and test the game.

145 Posts

October 5th, 2010 12:00

When the SLI bridge is taken off the one of the video card has the tearing effect from either DVI port while the other doesn't

Community Manager

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56.9K Posts

October 5th, 2010 13:00

Then get that video card replaced and see if the issue remains.

145 Posts

October 5th, 2010 13:00

Wait, i just tested it again both of them are doing it at random times. however card one does it 50 percent of the times and card two does it 100 percent of the time. basically my GTX295 graphic cards are defectived when they were shipped, i had this problem since day one but it just gotten worse...... And i had call dell numerous time. they just kept on testing on drivers(reinstalling them and uninstalling them) and then after 3 hours of trouble shooting, they just replace my SLI bridge.... I am not sure how to make them believe my video cards are broken. (regret on buying dual GTX 295 wish i can change them to dual GTX 480 because i had enough with these cards because it happens every single day!) and single GPU are less troublesome than multiple GPU in one card ..... 

 

2 Intern

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2.4K Posts

October 5th, 2010 23:00

Is the tearing only during gaming? If so are you going over 60 fps? When you go higher then the refresh rate of your monitor it can cause screen tearing. Go into the control panel and turn on vertical sync. This will stop if it it is happens only in games.

 If it happens on your desktop then something is wrong with your hardware.

145 Posts

October 6th, 2010 06:00

The tearing effect are occuring in both game and desktop screen.... i just don't know how to make the dell representive believe i have two defective graphic cards

2 Intern

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2.4K Posts

October 7th, 2010 02:00

The tearing effect are occuring in both game and desktop screen.... i just don't know how to make the dell representive believe i have two defective graphic cards

 

 

Just keep on them about it. As long as it is under warranty they must fix it.

145 Posts

October 7th, 2010 07:00

I contacted dell yesterday, and they were able to fix it temporarily (30% of the time still having tearing effect). However, it still does it some times.

Temporarily fixed is to....

rewire the two graphics card from P21&P17 to P20&P17 for the first card)

for the second card from P20&P19 to P21&P19

this temporarily fixes the issue but is not a permanently fix, so i don't know if i still should get the video cards replaced...

 

265 Posts

October 7th, 2010 07:00

If you wanna get the video cards replaced.....just tell them you have no video with both cards, or tell them you have artifacts in gaming.

Then they should send you 2 replacement video cards. They were right to replace the SLI bridge first, because that also causes the problem. But if its not resolved from the bridge, then they should replace the cards without a doubt. I dont know why they are giving you such a hard time about it. You can ask them if they can replace them with the GTX 480s, but I dont know if they will do that.

 

145 Posts

October 7th, 2010 14:00

I was able to make them replace both of my graphic cards, however they are not willing to exchange a dual  GTX 480. anyway lets see if replacing the video cards fixes the problem. thanks for every one responses!

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