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Can't SLI

xolse
By xolse
in Graphics Cards
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Recently updated the bios on my x79 deluxe mb. After that my 2nd gpu wont run at x16 and would only go to x4.  Before I would have the option of enabling sli in nvidia settins but it wont allow me anymore. I've tried running other pcie slots at gen 1 and 2 but no avail.

no sli.png

i7-4930k - 2x Titan Blacks SLI - Asus X79 Deluxe - 4 x 8GB G.Skill Ripjaws - Silverstone ST1000P 1000w

 

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Never change a running system dude. 

Maybe there's an BIOS option where you can set the PCIE slot back to x16 mode. 

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R5 5600X - Cryorig C7 - Asus ROG B350-i - EVGA RTX2060KO - 16gb G.Skill Ripjaws V 3333mhz - Corsair SF450 - 500gb 960 EVO - LianLi TU100B


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I've been looking but i cant find any option

i7-4930k - 2x Titan Blacks SLI - Asus X79 Deluxe - 4 x 8GB G.Skill Ripjaws - Silverstone ST1000P 1000w

 

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Did you reinstall the gpu drivers?

Main RIg Corsair Air 540, I7 9900k, ASUS ROG Maximus XI Hero, G.Skill Ripjaws 3600 32GB, 3090FE, EVGA 1000G5, Acer Nitro XZ3 2560 x 1440@240hz 

 

Spare RIg Lian Li O11 AIR MINI, I7 4790K, Asus Maximus VI Extreme, G.Skill Ares 2400 32Gb, EVGA 1080ti, 1080sc 1070sc & 1060 SSC, EVGA 850GA, Acer KG251Q 1920x1080@240hz

 

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multiple times.

i7-4930k - 2x Titan Blacks SLI - Asus X79 Deluxe - 4 x 8GB G.Skill Ripjaws - Silverstone ST1000P 1000w

 

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Well id go back one version of the bios then. Sounds like that's when it stated. 

I had this issue before but I would perform a clean install of the drivers and it would be fine.

Main RIg Corsair Air 540, I7 9900k, ASUS ROG Maximus XI Hero, G.Skill Ripjaws 3600 32GB, 3090FE, EVGA 1000G5, Acer Nitro XZ3 2560 x 1440@240hz 

 

Spare RIg Lian Li O11 AIR MINI, I7 4790K, Asus Maximus VI Extreme, G.Skill Ares 2400 32Gb, EVGA 1080ti, 1080sc 1070sc & 1060 SSC, EVGA 850GA, Acer KG251Q 1920x1080@240hz

 

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ok i figured it out. had to move the card one slot down to make it work. i guess the bios updated changed somethings around. also used a new bridge so its one of the two.

i7-4930k - 2x Titan Blacks SLI - Asus X79 Deluxe - 4 x 8GB G.Skill Ripjaws - Silverstone ST1000P 1000w

 

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